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 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 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 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 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 G286 A+ Centertap Selector 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 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 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 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 M119 A* B C X 3 8-Input NAND Gates M121 A* B D X 6 AND-NOR Gates 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 M162 A B X Parity Circuit 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 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 M205 A X 5 D Flip Flops M206 B+ C D+ X 6 D Flip-Flops with 2 jumpers for clear M207 B* C D+ E X 6 J-K Flip-Flops 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 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 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 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 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