Module	Versions	Description
A008	B+	AD8A 10 Bit A-D
A100	C	Multiplexor Switch
A103		Multiplexor Switch
A111	C+	Millivolt Multiplex Switch
A112	A+	Low Level Multiplex Switch
A121	C*	Multiplexor Switch
A124	A* B*	4 Input Multiplexer Switch
A126	A+	8 Channel CMOS Analog Switch (double)
A130	A*	Multiplexor
A131	B X	Multiplexer
A133	B*	Analog Switch
A140	C+	2 Chan. Analog Switch, for VT15
A163	A*	Multiplexer and Amplifier
A200		Operational Amplifier
A202	A*	Two Analog Preamplifiers
A214	A+ B*	2 Analog Amplifiers
A215	A*	Analog Buffer
A222	A*	Selectable Gain Amplifier
A225	B* C+ E+	Deflection Amplifier
A238	C+	Dual Analog Summer and Driver (double)
A312	E+	KV8/L Analog Function Generator, Double
A3170	C+	Arbitrary Vector Generator (double, long)
A3180	C+	Arbitrary Integrator (double, long)
A400		Sample and Hold Amplifier
A401	B+	Sample and Hold
A404	A*	Sample and Hold
A405		Sample and Hold Amplifier
A502	A* C* D X	Difference Amplifier
A601	A* D* E X	3 Bit DAC
A603	A*	2 Bit DAC
A604	A* E F H+ X	2-bit D-A Converter
A605		2-bit D-A Converter
A606		D-A Converter
A607	A* B X	10-bit Single Buffered D/A Converter, double
A612	A* B+	D/A Converter for KV8/L, Double
A614	C+	12 Bit bipolar D/A Converter, Double Long
A615	B* D+	D/A Converter
A618	E+	10 Bit D-A Converter (double)
A622	C+	10 Bit Single Buffered DAC 0 to 5V (double)
A701	A*	Reference Supply
A702	B C* E+ X	Reference Supply (-10V), double
A704	A* D* E F+ X	Reference Supply, Double
A706	C+	Power Supply for A202
A708	D*	Dual Voltage Regulator
A712	A+	Voltage Regulator for KV8/L
A801		10-bit A/D Converter
A811	E*	10-bit A/D Converter
A860	A*	A/D Converter, Double
A877		13-bit A/D Converter
A990		Operational Amplifier
A992		Operational Amplifier
B104	B C X	4 Inverters, 3 Loads (another)
B105	B D E* X	5 Inverters, 5 Loads
B113	A C* X	4 2-Input Negative NAND Gates, 3 Loads
B115	A B C X	3 3-Input Negative NAND Gates, 3 Loads
B117	C X	2 5-Input Negative NAND Gates
B123	A*	4 2-Input OC NAND Gates (another)
B124		3 3-Input OC NOR Gates
B130	A+ B X	4 3-Input ANDs ORed, both outputs, Parity for 3 Bits
B131	F	PDP10 Adder
B132	B*	LINC Adder
B133	B* C X	2 mA equivalent to B113
B134	B X	4 2-Input Positive AND Gates, 3 Loads, 2mA
B135	C X	2 mA equivalent to B115
B136	B X	3 mA equivalent to B134
B137	C X	2 mA equivalent to B117
B138	B X	PDP10 Adder (B131 with added diode to kill the carry quickly)
B141	A X	7 2-Input Gates, 2mA input equivalent to R141
B142	A X	Diode Gate, B141 with 10mA Loads on inputs F, J, L, N, R, T, V, for PDP8
B152	A X	Binary to Octal Decoder, R151 with higher fan-in & no clamp loads & no emitter gating
B155		Half Binary to Octal Decoder
B156	A X	2mA equivalent to B155
B163	D X	6 2-Input Gates, 1 Paired Common Input, 2mA equivalent of R123
B165	A X	2mA Diode equivalent of B105
B166	A X	Counting Gate for SC Adder of PDP10
B167	D X	8 2-Input NANDs ORed to 4 Outputs with 2 Enable Inputs, 2x4
B168	B X	4 3-Input NANDs ORed to 3 Outputs with 3 Enable Inputs, 3x3
B169	B* D*	Diode Gate Equivalent to B129, PDP9, 8 2-Input NANDs ORed to 2 Outputs, 4 Enable Inputs, 4x2
B171	B C X	6 Sets of 2-Input ANDs ORed, both polarities out, PDP7 (another)
B172	C X	Faster B171, 2mA Fan-In
B173	A*	14 Input Negative NAND Gate with one input preceded by a 10 Input Positive NAND, ME10
B198	A X	Protection Comparator, PDP10 Memory, 0 & -3V in & out, Compares 2 8-bit Words
B199	B*	FM Address Decoder for B250, ICs, double
B200		Flip Flop
B201	E X	Flip Flop
B204	B D X	4 Flip-flops
B210	B C+	PDP-7 Accumulator, double
B211	E*	Flip-flop, Buffered, No Delay
B212	C	Dual RS Flip-flop, PDP10, Bus Driver Output, Delayed & not Delayed RS Inputs
B213	C+ F*	PDP9 Flip-flop, Single Input Jam, no Delay
B214	A*	4 Flip-flops, B204 made out of 3 mA Gates
B250	C* D	Flip-flop Memory, PDP10, Fairchild ICs, 8x12 bits/card, double
B301	B C* D	10 MC One Shot
B310	A*	4 Delay Lines, double
B311	D	Tapped Delay Line, 200 ns, 25 ns steps, Emitter Follower Input
B312	B	Delay Line, B311 Continuously Variable, Diode Input, PDP10
B360	C D	Screwdriver Delay Line + Pulse Amp, 200-250 ns max
B401		Variable Clock
B405	B*	Crystal Clock, 2 to 10 MC
B410	D*	Voltage Controlled Clock, 1-10 MC, 40 to 100 ns negative pulses, potentiometer adjustment
B602	A B*	Dual 10 MC Pulse Amplifier
B611	B	Dual Pulse Amplifier, 25 ns, PDP10
B620		Dual Carry Pulse Amplifier
B681	B*	4 Power Inverters
B683	C X	3 Bus Drivers, OR output, 50 ohm load, 0 -3V
B684	C J X	2 Bus Drivers, like 6684 (another)
B685	B*	3 Diode Gate Drivers, 2 circuits, 80 mA at ground, 8 mA at -3V, PDP10
G001	D*	DC Sense Amp, PDP-7, double
G005	F*	4-input Sense Amp, PDP-6, 2us, double
G007	C D* M* X	Sense Amplifier
G008	A B* C* X	Slice Control for G007 & G009
G009	B C*	Sense Amplifier
G010	A*	Sense Amp Selector for PDP-9, 164, also used for G012
G020	D+ E+ H X	Sense Amp for 8/I, G021 etch, IC levels
G021	B+ E+ H K	Dual Sense Amp for 8/I, IC levels, also used for G020
G022	E*	4-input Sense Amp for PDP-10, with cable, +6.2V, -6.2V
G023	F*	Master Slice Control for G022
G050	D+	9 Track, 45 ips, Dual Gap Head Read Amplifier
G060	D+	Mag Tape Compressor, 9 Track
G062	D+	Mag Tape Peak Detector, 9 Track
G064	C+ D+	Mag Tape Slicer, 9 Track (double)
G083	C+ D+	Disc Preamplifier
G084	C+	Mag Tape Read, Rectify, Slice Amp, TU20, also used on G086
G085	D* E+	Disk Amplifier, replaces 1/2 G083 + 1/2 W532 + 1/2 W533 (double)
G088	E*	Read Amplifier and Peak Detector (double)
G094	C+	Threshold and Buffer
G100	D* E+	Sense Amp & Inhibit Driver, PDP15, 3 wire, 3D memory (double)
G102	D+	Sense, Inhibit, & Register (4 bits) for MM11 & ME10 (long)
G103	A+	Memory Levels and Gates (long)
G206	B*	Memory Selector, PDP-6, 2us, double, used for G212
G207	B*	Inhibit Driver, 4 Quadrant, PDP-6, 2us, double
G208	A* B L*	Inhibit Driver
G209	A* B J*	Memory Selector, double
G212	B*	Memory common Driver, G206 + Misc. R&D, G206 etch, for PDP6 2us memory
G217	H*	Word Driver, MA10, uses G219 for Digit Driver
G219	E* H*	Memory Selector (A G209 for negative supply), PDP9
G221	A+ B X	Memory Driver, IC Inputs, 4 circuits, PDP8/I, PDP8/L
G222	A+ D*	Memory Selector, PDP15
G223	D	2 Read-Write Drivers, PDP-15
G225	B* D+	X and Y Current Source (long)
G226	C+ D*	XY Selection Switch, single 8.5", ME10, MM11 (long)
G228	B+ C+ H X	Core Memory Inhibit Driver, IC Inputs, 8/I, 8/L
G230	D*	Current Source, with Delay Line on input, 0 to 40ns
G284	C+ D+	Disc Writer
G285	A+ B+	Series Switch (another)
G286	A+	Centertap Selector (another)
G287	B+	Mag Tape Writer, 2 channels, 100mA Head Current, no center tap, 0 to -15V
G290	A+	Disk Writer, includes 2.5MHz flip-flop, RS09
G291	C+	Disc Writer with Power Fail
G294	B*	Disc Writer
G295	A* B+	Series Switch
G296	B* C+	Center Tap Selector
G350	D+	9 Track, Dual Head, 45 IPS, Mag Tape Write Driver
G380	E+	Solenoid Drivers
G381	A+	Line Feed Solenoid Driver
G500	A*	TU55/TU56 Skew Tester
G589	C*	Differential Integrator/Amp, RP10 Controller, RP01-Memorex 630-1
G590	E*	Differential Filtered Integrator, RP10, RP02, Memorex 660
G603	A	Memory Selector Matrix (non-standard size)
G604	A*	Memory Selection Matrix, PDP-6
G609	A*	Memory Mounting Board
G610	A* B*	"A" Diode Matrix Board for PDP-8 stack 30-05256
G611	B+	"B" Diode Matrix Board for PDP-8 stack 30-05256 (double)
G613	A* B* C*	X Diode Matrix, 3 wire, 3D memory, 4K, 9/I
G614	A* B* C*	Y Diode Matrix, 3 wire, 3D memory, 4K, 9/I
G618	B* BYA+ BYB+ BYC+ BYD+ BYE+ BYF+ BYG+ BYH+	VT15 Character Generator
G622	D*	Resistor Board
G624	C X	Resistor Board for 8/I memory, similar to G621
G626	C+	Resistor Board for memory, PDP-10, 2.5 D
G680		DS32 Disk Head Matrix
G681	D*	Track Matrix
G700	B+ BYA*	100 Ohm Cable Terminator, W028 etch
G7000	B*	I/O Bus Terminator 1
G7001	C*	I/O Bus Terminator 2
G7002	B*	I/O Bus Terminator 3
G7003	A*	I/O Bus Terminator used in H807, quick-latch terminator
G7004	A*	I/O Bus Terminator used in H807, quick-latch terminator
G7005	A*	I/O Bus Terminator used in H807, quick-latch terminator
G7006	C*	I/O Bus Terminator used in H807, quick-latch terminator
G701	A*	Cable Terminator
G702		DS32 Disk Simulator
G703	A* B*	100 ohm Terminator, G700 pattern, double board with cut-out to fit over H003 or H004
G704	A* B+	2 mA Level Terminator, G796 etch & components
G705	A* B*	DEC Tape Jumper Module
G706	A* B*	DEC Tape Attenuator
G708	A+	Diode Board (double)
G709	A+	Cable Terminator
G711	A+	RF08 Terminator Board
G715	B*	Terminator, equiv 100 ohms to +4V, uses +10V & ground, G700 pins
G717	B*	Positive Bus Control Signal Terminator, 5 100 ohms to ground, pins K2, M2, P2, S2, T2, same grounds as W022
G718	A*	Timing Jumper for PDP12, when plugged in upside down, each delay line tape is shifted
G719	A+	RF08 Terminator Board
G720	A+	RF08 Terminator Board
G723	A+	RF09 Cable Terminator
G726	B*	ME10 Bus Control, a Jumper Board
G727	A+	Grant Continuity, a Jumper Board
G7273	A+	Grant Continuity, double height
G728	A+	Jumper Card (double)
G734	E+	Input Clamp
G736	A+	Jumper Module
G737	A*	9 Dividers, 150 ohms to +3V, W028 pins
G738	C*	Peripheral Terminator
G739	B+	Peripheral Terminator
G740	A+	Disk Selection
G741	B+ C+ CYA+	TU10 Negative Bus Terminator
G742	A*	Jumper Card, pins of non-inverting M500 & M531, TU56 with positive logic controls
G766	A*	G796 with 3M cable, 14 signals, 2 grounds
G772	B X	PDP-11 Power Connector
G775	A* B* C*	36 wires to Indicator, Q's, +6.5V from lamps, RF09
G778	A X	KV8I Cable Connector
G780	A*	Power Connector Card for PDP-12
G783	A*	9 Twisted Pair and Shield, 1 pair ground return
G785	D* E X	Power Connector, 8/L, with Power OK (double)
G789	A*	Signal Simulator Connector
G790	C*	Signal Simulator Generator
G792	A	PDP-8/I Power Connector
G793	B*	PDP-8/I Switch Connector, 8/I to console
G795	D+	Clamped Level Cable Connector, W021 pins, diodes to +0.7V & -3V, PDP-9, extended memory
G796	A* B+	Clamped Level Cable Connector, W034 with clamps, ground and -3V with 2mA clamped loads, G704 etch
G799	A*	Cable Connector
G800	H*	Control for 739 Power Supply
G8000	A+	Filter Network (short)
G8002	C*	AC/DC Low Sensor
G8004	B+	Power Fail
G8010	B+	-5.2V Control (long)
G8014	B+	Low Voltage Detector (long)
G803	A X	Rectifying Slicer
G804	D*	Control for G805
G805	E* F+	Regulator for negative 8 memory, Double
G808	A* K*	Control for 708 Power Supply
G809	A* J*	-15V Sense and Relay Driver
G810	C*	6V Regulator Control, Drives a G805
G816	B*	Modified G806 for driving 70V Power Supply Regulator Outputs
G817	A*	Card 1 for 713
G818	B*	Card 2 for 713
G820	A+	LINC-8 Positive Power Supply
G821	C+ E* F*	+5V Regulator Control and Output Card for PDP15, see G829 (double)
G822	C+ F*	-6V Regulator (from -10V) for sense amps, PDP15 (double)
G823	B* C+	-24V Memory Regulator Control, drives G825, PDP15
G824	A B*	+5V Regulator Control for PDP-12, double
G825	B+	-24V Pass Element (double)
G826	D+ E* K L* X	Regulator Control for 8/I, drives G805 & detects presence of other voltages (double)
G827	A+	Low Voltage Detector, PDP-15, + K303 RC's detects +9V, uses +5V
G828	A*	Regulator Control, ME10, uses G805
G829	A+	5V Connector Card for PDP15 peripherals, with over-voltage SCR & fuse, can replace G821 (double)
G830	J*	5V, 10 Amp Regulator from 8V, KI10
G831	E*	-10V Reference, +5V output, 0 to +10V 6-bit DAC, Marginal Check Control, KI10
G836	B* D*	Positive & -20V Regulator for VT14
G8360	A+ B*	VR14 Power Supply and Regulator
G838	A*	Fault Protection, provides +5V for intensity board W682, in VR14
G840	C+	VT40 Light Pen Amplifier
G847	C+ D+ E+	Dual Voltage Control for G848, TU56
G848	H+ L M	TU56 Motor Drive, Triple
G850	E* H* J* K* L X	SCR Motor Driver, TU55
G851	B X	DECtape Relay Module
G853	A X	DECtape Misc, Single Unit Selection & Timing Track Sensing
G854	A+	Telegraph Line Circuit
G858	A+	PDP 15 Teletype Connector Card
G859	A+	Clock and Regulator for TU56 (long)
G879	A X	Transport Detector, TC08, TC09, TC15
G882	B D* X	Manchester Reader-Writer
G888	A X	Manchester Reader/Writer (another)
G9002	C+	AC/DC Low Sensor
G903	E*	Clock Accelerator for Paper Tape Reader
G906	A*	LINC-8 Capacitor and Power Up
G912	B+	Deflection Amplifier, -12 Amps into 30uH Push-Pull Yoke, 15us full deflection time, VR12, Long, Double, Thick
G913	A*	Clock Control, (G903 + 1/2 R302 + 1/3 R603)
G916	A*	Power Detector & Switch Filter, PDP-12
G917	A*	Gain & Set Control for VR12
G918	D+	Photocell Amplifier for PT04, PT05, replacement for G908, for photo-transistors
G920	D*	Control Memory
G921	A*	PDP-8/L Console (plugs in)
G932	D*	Capstan Servo Preamp (drives H603)
G933	D+ E+	Reel Motor Amp for TU10, +/-12V, +/-6A
G9340	A+ B*	Brake Actuator
G9341	A+ B+	TU10 Brake Driver
G936	C+ E*	Clock Accelerator
G938	K+	DECPack Head Position Servo Preamp, Long, Double
G998	A*	Current Measuring Extender, 1-1/2 length with Bus Loops
H3190	B+	Staggered Turnaround (long)
H851	C X	Top Connector Block
H901		Patchcord Mounting Panel
H902		Indicator Switch Panel
H903		Analog-Digital Panel
K003	A*	Gate Expander
K026	A*	Gate Expander
K113	A*	Inverting Gate
K123		English Gate
K138	A* B*	Eight Inverters
K210		Decimal or Binary Counter
K220		Decimal Up/Down Counter, Double
K230		Parallel Input Shift Register
K271	A*	Set/Reset Memory
K273		Retentive Memory
K303	B+	Three Delay Timers
K374	A* B* C*	Calibrated Timer Control
K376	B* C*	Calibrated Timer Control
K378	B* C*	Calibrated Timer Control
K508		Pilot Circuit Converter, Double
K522	A*	Comparator
K604		Pilot Circuit Converter, Double
K614	D*	Isolated AC Switch
K652	B*	DC Driver
K671		Decade Display
K683	B*	Driver
K716		Pilot Circuit Converter, Double
K731	E+	Multi-Purpose Source
K732	A* B+	Slave Regulator
K791		Test Probe
K940		Mounting Bar Support
K941		Mounting Bar
M002	A X	15 Loads
M040	E X	Solenoid Driver
M044	B X	4-100mA Solenoid Drivers
M050	B X	Inverter driver, 12 circuits, switch -30V and 50mA max/driver
M051	A* B X	Level Converter, positive logic in and negative logic out, 12 circuits, open collector
M060	A X	Solenoid Driver
M100	A X	Bus Data Interface
M101	A X	Bus Data Interface
M102	A X	Negative Bus Equivalent to M103
M103	A B X	Device Selector
M104	C D	I/O Bus Multiplexor
M105	B C X	Address Selector (long)
M106	A X	Dot NOR Gates
M107		Device Selector
M108		Flag Module
M109	A X	Device Select Module
M1091	A X	Memory Device Select (long)
M1103	A X	10 2-Input AND Gates
M111	A B C D X	Inverters (another)
M112	D E X	NOR Gates
M1125	A X	10 Exclusive OR Gates
M113	B C D X	10 2-Input NAND Gates
M115	C D X	8 3-Input NAND Gates
M116	A X	6 4-Input NOR Gates
M117	A* B C E X	6 4-Input NAND Gates (another)
M119	A* B C X	3 8-Input NAND Gates (another)
M121	A* B D X	6 AND-NOR Gates (another)
M126	B*	H version of M121, not pin compatible
M127	A X	3 2-2-2-3 AND-NOR Gates
M129	A X	4-4 AND-NOR, H, 4 circuits
M130	C*	5 8-bit parity circuits + 5 2-input XOR gates (MC4008)
M1307		6 4-Input AND Gates
M133	A B X	10-2 Input NAND Gates
M135	A X	8-3 Input NAND Gates
M139	A B* X	H version of M119
M141	B C* X	Two 2-2-2-2 AND-NOR gates, 2-2-2 AND-NOR gate. 2 input NAND, 2 inverters
M142	C*	Adder, discrete equivalent to M132
M143	A*	10 2-input NAND gates, with one pair sharing common input, KI10
M145	A*	3-input NAND gates, 7 circuits, 74H, KI10
M149	A C X	9x2 NAND Wired OR Matrix
M1500		Bi-directional Bus Interfacing Gates, extended single
M1501	B X	Bus Input Interface, extended single
M1502	C X	Bus Output Interface, extended double
M151	B*	Dual binary to octal with enable, H series, KI10, 74H20
M1510		Bus Device Selector Module, extended double
M152	B X	M151 non-inverting, KI10, 74H21
M155	A X	4 Line to 16 Line Decoder, uses 50-08908 board
M159	A X	4 bit Arithmetic Logic Unit (DEC 74181), uses 50-08908 board
M160	C D* X	AND-NOR Gate Module
M161	A* B* C X	Binary to Octal/Decimal Decoder (another)
M162	A B X	Parity Circuit (another)
M163	A X	Dual binary to decimal decoder
M164	B X	6-bit adder for PDP-15, 2 adders for carry-in 1 or 0
M165	D X	Memory buffer, inverting and non-inverting output from open collector, 8 channels for KI10
M166	E*	9-bit Counting Gate, KI10
M167	B*	8 Bit Magnitude Comparator
M168	A X	12 Bit Magnitude Comparator
M169	A+ B X	Functional gate module for PDP-12, 4 4-bit output multiplexors (another)
M170	B*	3-3-3-2-2-2-2-2 AND-NOR & 3-2-2-2 AND-NOR, H series, KI10
M1701	D X	4 to 1 MUX, 4 circuits, 74153, 08912 etch
M1703	C	Omnibus Dual 12 bit Input Interface
M1705	B X	Omnibus Dual 12 bit Output Interface
M171	A*	2-2-2-3 AND-NOR, 3 circuits, different pins than M127
M1713	A X	16 to 1 MUX inverting, 74150, 50-08908 etch
M172	A*	2 En x 9 out mixer, 74H50, for KI10
M173	A* B*	Non-inverting M143
M174	A*	4 En x 9 out mixer, 74H53s, KI10
M175	A*	7 3-input AND gates, 74H, KI10
M177	A*	Non-inverting M147
M178	B*	8 En x 6 out mixer, 74H53, 74H62, KI10
M181	A*	Non-inverting M171
M182	A B X	M162 with fast ICs, 74H
M191	C D* X	2 Look-ahead elements (74182), uses W961 board, used with M190 or M159 (board 50-08912)
M202	B X	Triple J-K Flip Flop
M203	B C* X	8 Set-Reset Flip Flops
M204	A* D X	Counter Buffer (another)
M205	A X	5 D Flip Flops
M206	B+ C D+ X	6 D Flip-Flops with 2 jumpers for clear (another)
M207	B* C D+ E X	6 J-K Flip-Flops (another)
M208	C X	Buffer/Shift Register
M211	B*	6-bit Up/down counter
M212	B X	6 Bit L-R Shift Register
M213		BCD Up/Down Counter
M214	A B* X	6-bit Accumulator with 3 inputs
M215	A X	4 Bits of 3 Registers, Adder per Bit
M216	B C* X	6 D Flip-Flops
M217	A X	Clock register for PDP-12, 4 bit counter with buffer register for preset or readout
M218	A X	Bi-directional shift register, 9 bits, 2 parallel loads
M219	B X	7-bit synchronous counter with jam and clear presets
M220	A B C X	Major Registers, double
M221	D X	Register for PDP-12 (M220 plus extra logic), Double
M222	B X	Tape register for PDP-12, 2 bits, 6 registers, Double
M223	B X	MA,/MB Registers
M224	B X	Data Paths (double, long)
M225	A X	16x16 Memory (double, long)
M226	A X	1 Bit, all registers (except ACC) for PDP-15
M227	B X	Accumulator for PDP-15, 9 bits
M228	A X	Mark Track Decoder
M230		Binary to BCD and BCD to Binary Converter, double
M232		16x1 RAM
M233	A*	Disk Shift Register
M236	B X	12 Bit Binary Up/Down Counter, 8931 etch
M237		3 Digit BCD Up/Down Counter
M238	D X	2 4-bit Synchronous up/down counters with parallel load, separate up & down clocks, board etch 50-08912
M239	A X	3-4 Bit Counter/Registers
M240	B X	6 R/S Flip Flops
M241	B*	6 D Flip-flops (74H74) with common clock
M242	A X	H version of M202
M243	B*	8 D Flip-flops (74H74) with 2 common clocks, 4 bits each
M245		Dual 4 Bit Shift Register
M246	A X	5 D flip-flops, all pins available (74H74)
M247	C*	6 RS flip-flops, clocked to 6 D flip-flops
M248	B X	8-bit Shift right, parallel load, 50-08914 etch, 7495
M250	B*	16 Words, 4-bit memory (F9035), KI10
M2500	D X	2 64-Word, 4-Bit MOS Memories, 08912 etch
M253	B X	16 Words, 12-bit memory (TI 7489)
M260	A*	Associative memory, 4x12, KI10, Fairchild 4102 IC, 35ns match time
M261	C+	4-State Motor Translator
M262		10-State Motor Translator, double
M302	C* D K L* X	One Shot Delay (another)
M3020	A X	2 One Shot Delays with Hysteresis
M304	A B X	One Shot Delay
M306	B X	Integrating One Shot
M307	A B X	Integrating One Shot
M3070	C*	Dual integrating one-shot 200ns to 20ms in 5 steps
M308	C*	Integrating one-shot, edge or pulse triggered, clock, power up & down
M310	A B C*	Delay Line
M311	A	Tapped Delay Lines
M312	B C	Delay Module
M321	B*	M311 except one delay line, one output buffer can drive 30 TTL H loads
M360	A* B	Variable Delay
M362	C*	Delay, 25 to 50 ns
M363	B*	Delay, 15 to 30 ns, inverts
M401	B L* M X	Variable Clock
M402	B X	Remotely variable clock, Uses 5V photomod, 2Hz to 1MHz
M403		RC Multivibrator Clock
M404		Crystal Clock
M405	A B X	Crystal Clock, positive and negative pulse outputs, 5KHz to 10MHz
M410	A	Resonant Reed Clock
M420	C X	Phase Lock Clock, RP09, RP15, double
M4201	C*	Phase Lock Clock
M452	A X	Variable Clock
M453	A X	Variable Clock
M500	A B X	Negative Input Converter (another)
M501	B X	Schmitt Trigger
M502	A B C* X	Negative Input Converter
M503	A X	Differential Schmitt, 2 channels, pulse amplifier in each
M506	C D* X	Negative Input Converter, 6 channels, 0 and -3V in
M507	A B* F* X	Bus Converter
M508	C*	Negative bus to positive bus converter, 6 circuits, open collector outputs, GND in = positive out
M510	A X	I/O Bus Receiver
M511	B*	Unibus Receiver, 15 circuits, 4 GND, DS11, DL10
M514	H X	TU10 Transceiver (for connection to TC58, TC59, & TM10), see M519, double
M515	C D* X	Real Time Clock, 12VAC input on tabs, uses +11V & +5V
M516	A X	Hex Positive Bus Receiver
M517	A*	M507 with an enable input
M521		K to M Converter
M531	A*	8 channel Negative Bus Receiver with noise filtering (M500 pins)
M564	E*	I/O Bus Receiver, 8 circuits, negative bus, positive logic, light input load
M565	C*	Memory Bus Receiver, 8 circuits, negative bus, positive logic
M592	C*	I/O Device Select (used with M71000)10 74H ICs
M5921	A X	Bus Transceiver
M594	B D* X	EIA Level Converter (long)
M5940	B*	8 channel EIA-CCITT to DEC, 7 DEC to EIA-CCITT, DF11-A, 1V hysteresis, 5" version
M597	D	6 Channel IBM Receiver
M602	A X	Pulse Amplifier (another)
M603	B*	2 Pulse Amplifiers, negative edge in, 1 positive 60ns & 1 positive 45-100ns out, 4 2-input NANDs (74H00), 3 3-input ANDs (74H11)
M606	A B X	Pulse Generator
M610		6 Open Collector 2-Input NAND Gates + Pulse Amplifier
M611	A B X	High Speed Power Inverter
M612	B*	6 Power Gates, 6 grounds, 5 inputs per gate pair
M617	A* B C E X	6-4 Input NOR Buffers (another)
M621	A X	Bus Driver, 6 circuits, enables for each of 2 6-bit words
M622	A X	Bus Drivers
M623	A D* E X	Bus Drivers
M624	A X	Bus Drivers
M627	A C E X	Power Amplifier Module
M628	A B* X	2 switches, 2 bit adder, 1 M621 type driver, for MX15
M629	A*	Bus Driver, 11 circuits, for positive bus, PDP11, 8881's
M632	A* B X	Positive Input Converter Drivers
M633	A* B X	Negative Bus Driver
M640	C X	Master Interface Bus Driver, double
M650	D X	Negative output converter, 3 channels, R650 type outputs
M651	A C X	M650 with outputs clamped to ground when 5V goes away
M652	A X	Negative Output Converters
M660	A B X	Positive Level Drivers
M661	A X	Positive Level Driver for 8/I bus, 3 circuits, output clamped to +3V, M660 pins
M663	C*	3 negative Memory Bus Drivers, positive input, 50 ohm load, KI10
M664	B*	I/O Bus Driver, 0 to +3V in, 0 to -3V out, 8 circuits
M665	E*	Memory Bus Driver, 0 to +3V in, 0 to -3V out, 8 circuits
M666	B* C*	I/O Bus Reset, 12 outputs, 20mA@-3V, 1/3 duty factor max
M671		M to K Converter
M688	B X	Unibus Power Fail Drivers
M697	D	4 Channel IBM Transmitter
M700	A B D* E X	Manual Timing Generator, double
M701	A* D X	Display Control, VC8/I, double
M7010	B X	VV15 Timing and Control (double, long)
M7011	C*	Serial Transmitter
M703	E J* X	Power Fail Logic, 8/I
M704	A* B*	Plotter Control, 8/I
M705	D J X	Reader Control, double
M7050	C D E X	Reader Control with feed hole strobe & feed hole transition out-of-tape sense, Double
M706	B* D H K O X	Teletype Receiver, double
M7065	C X	Synchronous Receiver (long)
M707	A C D X	Teletype Transmitter, double
M7075	C X	Synchronous Transmitter (long)
M708	A* B C* X	Clock Control, 8/I
M709	A* B X	Clock Counter, 8/I
M710	B F* H X	Punch control, double
M7100	B*	I/O Device Control, used with M592, 10 74H ICs
M7101	F*	Control
M7102	C*	Positive I/O Bus Converter
M7103	F*	Negative I/O Bus Converter
M7104	A* B	RK8E Data Buffer and Status
M7105	A* B	RK8E Major Registers
M7106	A* B C	RK8E Control
M711	C*	Scope Control, PDP-12
M712	C+	Control Logic I, CR8-I, CR8-L
M714	B+	Control Logic I, CR8-I, CR8-L
M715	A+ E* F X	Reader Clock, double
M716	A+ B*	Control Logic II, CR8-I, CR8-L
M717	A+ C*	Display Control, VP09, VP15
M719	A+	Clock Sync & Decade Counter, KW12
M720	A*	Memory Detection
M7212	C+	Bus Repeater (long)
M7219	D+	RC11 Bus Interface (quad)
M7220	B+	RC11 Clock Control (long)
M7221	D+ E+	RC11 Disk Interface (quad)
M7222	E+	RC11 Status Control (quad)
M7224	B+	RC11 Unit and Track Selector (long)
M7225	B+
M724	C+	Bus and Console Control (quad, long)
M7246	H+	Modem Control Scan (double, long)
M725	B+	Bus Interface and IR (quad, long)
M726	B+	IR Decode (quad, long)
M727	C+	State Control (quad, long)
M728	D+	Timing and States (quad, long)
M7290	C+	Control Logic (double, long)
M730	A+	Positive Output Bus Interface
M731		Negative Output Bus Interface
M732		Positive Input Bus Interface
M733		Negative Input Bus Interface
M734		Input/Output Bus Multiplexer
M7341	D* E+	MPS Processor Module, quad
M7344	CYA+	MPS Read/Write Memory Module, quad
M7345	C+	MPS 4Kx8 Read Only Memory Module, quad
M7346	B+	MPS External Event Detection Module, extended single
M7347	B	MPS Reader Run
M735		Input/Output Bus Transfer Register
M736		Priority Interrupt Module
M737		12-Bit Bus Receiver Interface
M738		Counter-Buffer Interface
M7390	D+	Asynchronous Transceiver, extended double
M750	A+ B+ C*	Line I/O Control, equivalent to 2 W750s
M751	A*	Line Register & R Register for DC08A, I/O Bus Connection
M752	A*	Instruction Decoder & Gates for DC08A
M753	B*	Control for 2 Data Set Lines in DC08F
M760	A*	A/D CONTROL FOR PDP-12, POSSIBLE GENERAL APPLICATION
M761	A+	32 to 8 Bit Multiplexer (double)
M762	A+	ROM Diode Matrix Receiver (double)
M763	C+ D+	9 Track Write Buffer for TU10, negative logic, see M893, double
M765	A+ B+ C+	9 Track Read Buffer for TU10, double
M767	A+ C+	Clock and Skew Delay
M7670	C*	Forward BOT Timer, TU10
M7671	B*	Master Slave Bus Driver, TU10, Double
M7672	B+ X	TU10 Command Buffers, Double
M7673	B*	Data Checker, TU10, Double
M768	E+	Delay Selector for TU10, with TC58, TC59, TM10, double
M7687	C+	Drive Data Interface (long)
M769	F+ J*	Function Control for TU10
M770	B+	EAE CONTROL FOR PDP-15
M771	A+	INTERNAL DEVICE DECODER FOR PDP-15
M7710	F+	Print Sequencer (double)
M7711	F*	Control Logic A (double)
M7712	D+ F+	Control Logic B (double)
M7713	D* E+	LCV (double)
M7715	C+	Line Feed Control
M7716	B+	H550 Motor Translator
M7717	C+	Motor Control
M772	A+	CONSOLE CONTROL #1 FOR PDP-15
M7721	B+	Control Logic A (double)
M7724	B+	Character Generator ROM (double)
M773	B+	CONSOLE CONTROL #2 FOR PDP-15
M775	B+	TIME STATE GENERATOR
M776	A+	Reader Register, PC15, Double
M780	A+ C*	TTY Transmitter & Receiver, 110 baud (double, long)
M7800	A+ E* H*	DL11 Asynch Interface (quad)
M782	A* E+	Interrupt Control (long)
M7820	B* C+	Interrupt Control, 7 bits, 1 per PDP11 peripheral, Replaced by M7821, extended single
M7821	B+ C+ D+	Interrupt Control, 7 bits, 1 per PDP11 peripheral, Faster M7820, extended single
M783	A* B+	Unibus/Omnibus Drivers, extended single
M784	A* B* C+	Unibus/Omnibus Receivers, extended single
M785	A* B+	Unibus/Omnibus Transceiver, extended single
M786		Device Register Interface, extended double
M792	DYB+ E*	ROM Diode Matrix (long)
M795	A* B* C+ D+	Word Count and Bus Address Module, extended double
M796	C+	Unibus Master Control, extended single
M797	B+	Register Select
M798	B+	Unibus Drivers, extended single
M820	C+	Data Path Control (quad, long)
M821	C+	Register Control (double, long)
M822	A+ B*	Flag Control (double, long)
M823	A+	Codes Data (long)
M824	C+	Priority (double, long)
M825	C+	Power Fail and Control (long)
M8290	B* C+	CR11 Card Reader Interface (Unibus)
M8291	C+	CR11 Card Reader Interface (Unibus)
M8300	B	KK8E Major Registers
M8310	F H*	KK8E Major Register Control
M8317	E	KM8A 8/A Option Board 2
M8320	D+	KK8E Bus Loads
M833	D+	KK8E Timing Generator (obsoleted by M8330)
M8330	C+ D+ E+ F+	KK8E Timing Generator
M8331	B+	TA8E Cassette Interface
M8335	B+	VT8E Keyboard/Printer Control
M8340	D* E F+ X	KE8E Decoder and Step Counter
M8341	B* D X	KE8E Multiplexers and Timing Generator
M8350	C*	KA8E Positive I/O Bus Interface
M8365	B*	LA180 Interface, Omnibus (quad, extended)
M837	B+ D+	Omnibus Memory Extension and Timeshare Option
M840	K X	PC8E High Speed Reader/Punch Control (Omnibus)
M8416	C P	KT8A 128K Memory Management Board
M842	B+ E+	XY8E Plotter Control (Omnibus)
M843	E	CR8E Card Reader Control (Omnibus)
M847	D+ E*	MI8E Diode Bootstrap Loader
M850	A X	EIA Converter and Cable Connector
M851	E+	Bus Receiver - Address Decoder (double)
M865	B C	KL8E Terminal Control (Obsoleted by M8650)
M8650	B* C* D	KL8E Terminal Control
M8652	B+	KL8F Terminal Control
M8655	B	KL8J Terminal Control
M868	D+ H	TD8E Simple DECtape Controller
M869	C+ D	VC8E Point Plot Display Controller
M870	A*	IMPLEMENTS SIMPLE CLOCK IN PDP12
M882		Omnibus Real Time Clock (Line)
M8830	C	DK8-EC Omnibus Real Time Clock (Crystal)
M885	C+ E	VC8E Point Plot Display D/A
M890	F+ H*	Motion Control for TU10
M891	D+	TU10 CRC and Write Gating, Double
M892	E+	TU10 Write Gap Timing, Double
M895	H*	TU10/TU15 Read Timing, Double
M896	B+ X	TU10 CRC Checker
M900	C* D X	CONNECTOR TO 8/I CONSOLE, 30 SIGNALS, 2 GNDS, TTL BUFFERING
M901	B C* X	Flat Mylar Cable Connector, 10 ohms in A2,B2,U1 & V1, 2 cables
M902	A+ AYA* AYB*	TERMINATOR, 18 100 OHM RESISTORS, M903 & M904 CONNECTIONS
M903	A* B X	Flat Mylar Connector, 18 signals, 14 GND pins
M904	B+	Coax Connector, 2x 9-signals, split lug, M903 Pins
M906	A B+ X	Cable Terminator
M907	A+	Diode Clamp
M908	B X	Connector Module
M909	A+	Terminator Card
M90x,W0x1		Negibus/Posibus Connectors
M910	A+	CP Terminator Card
M9100		H854 to H854 or Flip Chip Adapter, extended single
M911	A+	Memory Bus CP Terminator
M912	A*	Coax Connector, 4x 9-conductor, split lug, M904 Connections, double
M915	B*	35 WIRES TO PDP-15 CONSOLE WITH PULL-UP RESISTORS
M916		36 Pin connector
M917		Ribbon Connector, 18 Signals, 14 GND Pins, split lug
M918	A+	Flat Mylar Connector, 36 Signals
M919	B* C*	11 EXTERNAL BUS, 2 60-WIRE MYLAR, 56 SIGNALS, 14 GND PINS
M920	B+	Unibus Jumper Module
M921	B*	DEVICE CODE SELECT JUMPER MODULE, FOR 3 IOT'S
M922	B* C*	M901 WITH JUMPERS INSTEAD OF RESISTORS FOR INDICATOR BUS, NOT TO BE USED ON BOTH ENDS OF ANY CABLE
M925		Flat Mylar Connector, 18 Signals, 19 Grounds, short single
M926	A*	M901 WITH 100 OHMS IN SERIES WITH SOME OF THE PINS
M927	A+	Coax Connector, 18-signals, split lug, short
M929	B* C*	Bus Connector, double
M930	C D+ E+	Bus Terminator (double, short) (another)
M931	D*	15 TERMINATORS, 2K TO +5V, CLAMPED AT +.75 & +3V, M903 PINS EXCEPT 9 INDICATOR OUTPUTS, KI10
M935	B+	Omnibus Jumper Module
M941	A*	JUMPER/EXTENDER BOARD FOR TU56
M942	A+	Bus Terminator (double)
M943	A+	Cable Connector
M947	C*	INDICATOR DRIVER, 24 CKTS, CABLE OUT BACK
M948	B*	24 RESISTORS TO CABLE, 4 RESISTORS TO COMMON POINT, COMPANION TO M947
M949	A*	9 INDICATOR DRIVERS, 18 SIGNALS, FOR KI CONSOLE
M950	A*	9 RESISTORS TO CABLE, 9 R TO COMMON, 18 RC FILTERS, COMPANION TO M949
M952	C*	27 LEVEL TERMINATORS, CLAMPS AT +.75 & 3.25V
M953	B+	Flat Cable Connector, 18 Signals, 18 Grounds
M954		Flat Cable Connector, 36 Signals
M955		Flat Cable Connector, 18 Signals
M956	A*	18 130 OHMS TO +3.0V, M903 PINS
M957	C*	8,5" LONG M908, NO HANOLE, CABLE CLAMP LOCATION ON SIDES & END
M960	D+	TD8E Connector #1
M961	C* D+	TD8E Connector #2
M966	A+	PDP15 Memory Bus Terminator
M969	B*	24 LEVEL TERMINATORS LIKE M952 + 1 THERMISTOR
M970	D*	H854 MTD ON SINGLE X 8.5 CARD, ACCEPTS BC05C & BC01V
M971	B+	Cable Interface Board #2 (long)
M973	A+	TTY Cable Connector (long)
M975		Flip Chip to 2x H854 Adapter, special double
M982	B+	Blank Universal Terminator
M993	A* B*	RK8E Control Cable Connector
Mxxx		CPLD versions of Mxxx
R001	A B X	Diode Network, 7 diodes, both ends brought to pins (another)
R002	A B X	Diode Network, 5 groups of 2 diodes, cathode common
R012	B*	Diode Network, R002 etch, anodes common
R107	A B C+ D E* S1A X	7 Inverters, 1 with expansion node (another)
R1075	B X	7 Inverters, 1 with expansion node
R111	A* D* E F X	3 2-Input Gates, Expandable, Open Collector, 3 clamp load resistors (another)
R1110	E*	R111 with 2mA fan-in & 6534-C transistors, sinks 63ma
R113	A B X	5 2-Input Gates
R1130	B*	R113 with 2mA fan-in & 6534-C transistors, sinks 63ma
R121	A B* X	2 2-Input, 1 3-Input, 1 4-Input Gates (another)
R122	A* C X	Logical Complement of R121 (another)
R123	A B X	Input Bus Gate, 6 Gates, 1 Independent Input, 1 Paired Common Input
R131	B* C X	Exclusive OR, 4 circuits, Output is -3V if inputs are the same (another)
R141	C D E X	AND-NOR Gate, 7 sets of 2-Input AND Gates NORed together (another)
R151	A B D X	Binary-Octal Decoder, 6 Inputs + Enable, 8 Outputs (another)
R152	D*	Obsolete, R151 without clamp loads, see B152
R181	A B* C X	DC Carry Chain, 6 Interconnected Diode Gates + 1 Inverter
R200		Set-Reset Flip-flop
R201	A* B C D X	RS FF with 3 Set and 2 Reset DCD Gates (another)
R202	A* D E X	Dual FF, Direct Clear, Common Set, 1 set & 1 reset DCD Gate each (another)
R203	A* C* D X	Triple FF, Direct Clear, Set DCD Gate each (another)
R204	A* B X	Quad FF, Direct Set for each, Direct Clear for 2, Common for 2 (another)
R205	B D X	Dual FF, Common Direct Clear, 2 DCD Gates each
R210	A I L S* X	PDP8 Accumulator
R211	J K* L* X	MB, PC, MA, (PDP8)
R212	A* D F J* X	MQ (PDP8), 2 FFs, SR, SL, Read-in, Clear
R220	F* J L X	3-Bit SR, Parallel Read-in, Diodes out for detecting all 0s in R111 node
R284	A B X	Quadraflop, PDP8, 4 stable states
R302	J K L M* S* X	2 One-shots
R303	B* D X	Integrating One Shot (another)
R401	D F H X	Variable Clock, 30CPS to 2 MC (another)
R405	H J X	Crystal Clock, 5 KC to 2 MC Available
R406	A*	Clock for PDP9/L, 1.5us
R407	A*	PDP9 Parity Clock, 1.2us
R408	A*	PDP8 Clock
R409	H J X	PDP9 Clock (R405 configured for 1MC)
R450	B D* E X	Variable Clock
R451	E X	Teletype Clock, for faster teletype think R450
R601	B* E F H X	Pulse Amplifier, 6 DCD Gates, 100 or 400 ns pulses (another)
R602	H K X	Pulse Amplifier, 2 DCD Gates & 1 Diode Input each, 100 or 400 ns pulses
R603	D F* X	Pulse Amplifier, 3 circuits, 1 DCD Gate & 1 Diode Input each (another)
R613	B X	R603 that cannot be triggered from output, with 5 mA loads
R623	D*	R603 with 400us pulse, R603 etch, retrofit for LINC-8
R650	B* C E X	Bus Driver, 2 circuits, 2 Inputs & Node
R663	D*	B163 with DEC 6534C (6 2-Input NANDs, 1 Input/Gate + 1 Input/Gate pair, 2mA fan-in)
S107	C* D E* S1A X	R107 with 5 mA Clamp Loads
S111	D* E F X	R111 with 5 mA Clamp Loads
S123	B X	Diode Gate
S151	A B C* D X	R151 with 5 mA Clamp Loads
S181	A C X	DC Carry Chain, 6 Interconnected Diode Gates + 1 Inverter
S202	D E X	R202 with 5 mA Clamp Loads
S203	C* D X	R203 with 5 mA Clamp Loads
S205	C D X	R205 Dual Flip Flop with 5 mA Clamp Loads
S206	B* C* D X	S205 Dual Flip Flop with 10mA clamp loads
S284	A* B C* X	R284 with 5 mA Clamp Loads
S602	H K X	R602 with 5 mA Clamp Loads
S603	D X	R603 with 5 mA Clamp Loads
W002	A* B X	15 2mA Clamped Loads, W005 etch (another)
W005	A* B X	15 Clamped Loads
W010	A X	10 10mA Clamped loads to -15V
W011	B X	W021 but 3.25" long.
W012	B* C*	Flexprint Indicator Cable, -15 +15 Signal, PDP10
W013	A* B*	Word Sink Stack Connector, W016 etc, PDP10, 2 1/2 D Memory
W014	A*	Digit Stack Connector, PDP10, 2 1/2 D Memory, modified W015 layout
W017	A* B*	Drive Cable Connector, PDP9 Memory
W018	A*	Cable Connector for Indicator Amplifiers (with diodes)
W020	A* B X	Indicator Cable Conn,. 18 ribbon cable, 1.5K resistors (another)
W021	A B X	Signal Cable Conn., 19 wire ribbon, D, E, H, K, M, P, S, T, V hot, 10 grounds: C, F, J, L, N, R, U
W022		W021 with 100 ohm shunt terminators
W023	A X	18 Line Ribbon Connector, component spaces near A & B, others straight through
W024	X	Coax Connector, 16-signals, split lug, short
W025	A B* X	32 Split Lugs, 4 slots, double size, Memory Paddle used for W075
W026	B X	18 Split Lugs, diode and resistor termination
W027		Ribbon Cable Connector, 18 Signals with 3Kohm resistors, split lugs
W028	A C* X	W021 with lugs for series of shunt resistors or diodes in signal leads
W031		Flat Mylar Cable Connector, 9 Signals, 9 Grounds, short single
W032	A* B X	5 shielded triples, DEC Tape Signal Connector, double
W033	A* B* C X	Flexprint, W023 connections, side entry cable
W034	D H X	Flexprint, 16 connections on "B" side 10 ohms on A2, B2
W035	A*	Cable Connector
W040	B X	2 Solenoid Drivers, 2 Inputs plus a node, 0.6A max, similar to 4113 + 4681
W042		10 Amp Driver (double height, double width)
W043		2 Solenoid Drivers, 2 Inputs plus a node, 2.0A max, similar to W040
W050	B C X	7 Indicator/Solenoid Drivers, 30mA -20V max (another)
W051	A* C* D X	7 Indicator/Solenoid Drivers, 100mA -15V max (another)
W061	B C X	4 Relay Drivers, 250mA +55V max
W070	A* C X	Teletype Cable Connector, PDP8, PT08
W072	A*	LINC-8 Scope Cable Connector
W073	A*	LINC-8 Tape Cable Connector
W076	B D X	Teletype Connector, from Positive Logic 8/I, logic equivalent to W070
W078	A*	W076 with AMP connector instead of cable
W080		Isolated AC/DC Switch
W100	A*	Emitter Follower
W101	A B X	I/O Bus Driver, similar to 4657
W102	J	Memory Bus Transceiver, 1665 type
W103	C D* X	Device Selector, PDP8, double
W104	A* C X	PDP-9 I/O Bus Module (double)
W106	D*	Priority Interrupt Grant
W107	A* B X	I/O Receiver, PDP10, 7 channels
W108	A* C X	Bipolar Decoding Driver, double
W122	F*	Pulsed Bus Transceiver, pin compatible with W102 & W112, positive logic in, -bus, -logic out
W123	C X	Device Selector (double)
W132	D*	Memory Bus Transceiver, KI10, negative bus, 4 circuits, similar to W102
W250	A* B*	12 Indicator Drivers, flex print, ground & -15V from male end
W300	B* C	Tapped 800ns Delay Lines with 50ns taps, 3 Output Amplifiers, replaced by W301
W301	C*	Tapped 800ns Delay Lines with 50ns taps, W300 pins, different input loading and improved margins
W404	C X	DTR Jumper (2.5" length)
W500	A X	High Impedance Follower, 7 circuits
W501	C+ D F X	Schmitt Trigger, +/-10V in, 0 and -3V out (another)
W502		2 Photon Coupled Triggers
W504	A X	Initial Transient Detector, A Schmitt, 0 delay, 10ms blackout
W505	B*	Low Voltage Detector, measures +10V & -15V
W506	C E X	Power Monitor
W507	B*	Low Voltage Detector, ME10, measures +5, +5, -15, -15, all reg, -15, +10 unreg, double
W509	F*	3 phase AC Low Voltage Detector
W510	B*	Positive Level Converter, 3 circuits, thresholds of 0, +1 or +2V; 0 & -3V out
W511	A X	Negative Level Converter, 2 circuits, thresholds of 0, -1, -2V, -3V; 0 & -3V out
W512	A X	Positive Level Converter, 7 circuits, thresholds of +1.6 or 0.8V for use with TTL; 0 & -3V out
W513	F*	Negative Level Converter, 6 circuits, used in TU55
W514	A*	Positive Level Converter, 6 circuits, 100 ohm input
W519	E*	Power Sequence & Crowbar
W520	B X	Comparator, 3 differential circuits, 100mV resolution, like 1501 level converter
W532	B X	Dual AC coupled Sense Amplifier, used on PDP8-S
W533	A X	Dual Rectifying Slicer, was G803
W590		IBM N Line to DEC converter
W591	A*	Positive Bus to DEC converter, for Memorex, 0 to +3V, 8 MC, 5 channels, W592 pins
W592	A*	IBM 360 Bus to DEC Converter (non-inverting)
W600	A X	Negative Level Amplifier, like 1667, 3 inverting circuits
W601	A* D X	Positive Level Amplifier, 3 inverting circuits
W602	A X	Bipolar Level Amplifier, 3 circuits, EIA Line Interfacer
W603	A B X	Positive Level Amplifier, 7 circuits
W607	B D*	3 Pulse Converters, positive or negative, 70ns 2.5V pulse out
W612	C* D*	Dual Pulse Amplifier, B602 pins, 120 & 320ns, Diode Output for "OR" Bus
W640	D H* J	3 Pulse Converters, positive or negative, 400ns or 1us, 2.5V pulse out (another)
W681	A X	Scope Intensifier for 34 Display
W682	A X	Scope Intensifier, 0 to +3V step, delay 50 to 300ns, 400ns pulse (for VR12 & VR14)
W684	H+	Unblank Amplifier and 8 Level Intensity Control
W690		DEC to IBM N Line Converter
W692	B*	DEC to IBM 360 Bus Driver
W693	C*	DEC to CTUL Converter
W700	A B X	Switch Filter, 6 circuits, similar to 1703, used on W710 (another)
W701	A+	Input Network, for PDP8 Card Reader
W702	A+	Teletype Level Converter for DC10B Data Line Scanner
W7040	B+	Diode Cluster
W705	A B* X	3.6V Power Supply, triple width
W706	C E+	Teletype Receiver, 8-bit, 11 Unit Codes, double
W707	E+ F H L P	Teletype Transmitter, 8 bit, 2 unit stop code, double
W708	A+	Teletype Communications Interface
W709		Divide by 16/64 Counter
W714	A+	Switch Module, 2 form C micro-switches, no circuits, 9/I memory
W726	B+	4 DC & 3 Differentiating Switch Filters, for positive logic, TU10
W800	B+	2 Form A Reed Relays, similar to 1803
W802	A+	Relay Multiplexer, 8 Reed Relays, double
W808	B*	2-2 Form A, 1/8 Amp 250V Relays
W841	C*	1/2 W851 for 9 Coax
W850	A* C* D*	Connector, 2 double boards with W021 layout, frame, hold-down screw
W851	D* E*	Connector, similar to W850, W851 is card & components, BC10 is assembly & cable
W852	B* C* D* E*	W851 with no components, used in BC10C-xx, uses W851 board
W900	C+	Multilayer Extender, long double
W940		Wire Wrappable Module, 50x 16 pin, extended quad
W941		Wire Wrappable Module, 25x 16 pin, extended double
W942		Wire Wrappable Module, 50x 16 pin, with sockets, extended quad
W943		Wire Wrappable Module, 25x 16 pin, with sockets, extended double
W950		Wire Wrappable Module, 30x 16 pin, 8x 24 pin, extended quad
W951		Wire Wrappable Module, 15x 16 pin, 4x 24 pin, extended double
W952	B+	Wire Wrappable Module, 30x 16 pin, 8x 24 pin, with sockets, extended quad
W953		Wire Wrappable Module, 15x 16 pin, 4x 24 pin, with sockets, extended double
W960	A+	MSI Mounting Board (2 14-16 pin or 1 24 pin, all pins brought out)
W964	B+	Blank Universal Terminator, 28 pins, single 5", 50-09733 etch
W966		Wire Wrappable Module, 42x 16 pin, 72 terminal fingers, I/O header, extended quad
W967		Wire Wrappable Module, 42x 16 pin, 72 terminal fingers, I/O header, with sockets, extended quad
W968		Collage Mounting Board, 72x 16 pin, extended quad
W969		Collage Mounting Board, 36x 16 pin, extended double
W970	A+	Bare Board, 36 pins, no split lugs, similar to W990
W971		Bare board, 72 pins, no lugs, similar to W991, double
W972		Copper Clad, 36 pins, similar to W992
W9720		Copper clad board, both sides, extended single
W9721		Copper clad board, both sides, extended double
W9722		Copper clad board, both sides, extended quad
W973		Bare Board, 72 pins, copper clad, similar to W993, double
W974	A+	Perforated single height board, 36 pins, 0.1" grid, contacts only
W975		Perforated double height board, 72 pins, 0.1" grid, contacts only
W979	C+	Collage Mounting Board, 18x 16 pin, double
W980		Module Extender, single sided
W982		Module Extender, double sided
W983	A+	Module Extender, double height double sided
W984		Module Extender, extended double
W985		System Module Adapter
W987		Module Extender, extended quad
W990	D E+ X	Blank Module, split lug for each of 18 pins
W991		Bare board, split lugs, 36 pins, double
W992	A+ B+	Copper clad, 18 pins
W993	A+	Copper clad, 36 pins, double
W994	A+	Perforated Module, 0.2" centers, 18 lands
W995		Perforated Module, 0.2" centers, 36 lands, double
W998		Perforated single height board, 18 pins, 0.1" grid, contacts only
W999	A+	Perforated double height board, 36 pins, 0.1" grid, contacts only