Name 
? 
Description 
Notes 
7400 
O 
Quad 2input NAND 

7401 
O 
Quad 2input NAND with o/c outputs 

7402 
O 
Quad 2inpuit NOR 

7403 
O 
Quad 2input NAND with o/c outputs  
7404 
O 
Hex inverter 

7405 
O 
Hex inverter with o/c outputs 

7406 
O 
Hex inverter with o/c HV outputs  
7407 
O 
Hex buffer/driver 

7408 
O 
Quad 2input AND 

7409 
O 
Quad 2input AND o/c outputs 

7410 
O 
Triple 3 input NAND 

7411 
O 
Triple 3 input AND 

7412 
O 
Triple 3 input NAND O/C 

7413 
O 
Dual 4 Input NAND Schmitt Trigger 

7414 
O 
Hex Schmitt Trigger Inverter 

7415 
O 
Triple 3 input AND O/C 

7416 
O 
Hex Inverter O/C HVoutputs 

7417 
O 
Hex Buffer/Driver O/C HV output 

7418 
O 
Dual 4 Input NAND Schmitt Trigger 

7419 
O 
Hex Inverter Schmitt Trigger 

7420 
O 
Dual 4 Input NAND 

7421 
O 
Dual 4 Input AND 

7422 
O 
Dual 4 Input NAND O/C 

7426 
M 
Quad 2input NAND with HV outputs 

7427 
O 
Triple 3 Input NOR 

7430 
O 
8 Input NAND 

7432 
O 
Quad 2 input OR 

7437 
M 
Quad 2input NAND buffer 

7438 
O 
Quad 2 Input NAND O/C 

7440 
M 
Dual 4input NAND buffer 

7442 
O 
4 line to 10 decoder (BCD to Decimal) 

7445 
O 
4 line to 10 decoder (BCD to Decimal) 

7447 
M 
BCD to 7segment driver 

7450 
M 
Dual 2wide 2input ANDORINV gate 

7451 
M 
Dual 2wide 2input ANDNOR gate 

74LS51 
M 
Dual 2wide 2input ANDNOR gate  Different pinouts in LS and normal chips 
7452 
M 
2223 Input Expandable ANDOR 

7453 
M 
Expandable 4wide ANDORINVERT 

7454 
M 
ANDORINVERT gate 
NOT 74LS54!  LS has different I/O and
pinout. 
7464 
M 
4232 Input AND OR INVERT 

7472 
M 
ANDgated JK M/S Flip Flop 

7473 
M 
Dual JK Flipflops with clear 

7474 
O 
Dual DType flipflop 

7475 
O 
Quad 4 bit bistable latch 

7476 
M 
Dual JK Flipflops with preset and clr 

7482 
M 
2bit binary full adder 

7483 
M 
4bit binary adder 

7485 
O 
4 Bit magnitude comparators 

7486 
O 
Quad 2 input Exclusive OR 

7490 
O 
Decade Counter  Divide by 2 and 5 

7491 
M 
8bit shift registers 

7492 
O 
Divide by 12 counter 

7493 
MO 
4bit binary counter 

7495 
MO 
4bit parallel shift register 

74102 
M 
JK Flip flops with clear and preset 

74107 
M 
Dual JK flip flops with clear 

74112 
M 
Dual edge triggered M/S JK Flipflop 

74125 
MO 
Quad tristate buffers 

74126 
O 
Quad Bus Buffer with 3 state output 

74132 
MO 
Quad 2input NAND Schmitt gates 

74133 
M 
13input NAND 

74138 
O 
3 to 8 line decoder/multiplexer 

74139 
O 
Dual 2 to 4 line decoder/multiplexer 

74141 
M 
BCD to Decimal driver for CC tubes 

74145 
O 
BCD to decimal decoder/driver 

74148 
M 
8to3 line decoder 

74150 
M 
Data selectors 

74151 
MO 
1 of 8 data selector 

74153 
M 
Dual 1of4 line selectors  
74154 
O 
4 to 16 decoder/multiplexer 

74155 
M 
Dual 1of4 decoder  
74156 
M 
Dual 1of4 decoder 

74157 
M 
Quad 2input multiplexer  
74158 
M 
Quad 2input multiplexer 

74161 
M 
Synchronous 4bit binary counter  
74163 
M 
Synchronous 4bit binary counter 

74164 
O 
8 bit parallel out serial register 

74165 
M 
Parallel load 8bit shift registers 

74166 
M 
8bit shift register 

74174 
M 
Hex Dtype FLipflop 

74175 
M 
Quad dtype Flipflops with clear 

74180 
M 
9bit parity generator 

74182 
M 
Carry lookahead generator 

74183 
M 
Dual differential line driver 

74185 
M 
Binary to BCD converter 

74192 
M 
Decade up/down counter 

74193 
M 
Up/down 4bit binary counter 

74194 
M 
4bit bidirectional shift register 

74197 
M 
4bit presettable binary counter 

74240 
O 
Octal buffer/line driver inverted 

74243  M 
Quad bus transceivers 

74244 
O 
octal buffers and line drivers 

74245  MO 
Octal bus transceivers 

74251  M 
3state data selector 

74253  M 
Quad 4 to 1 data selector 

74257 
O 
Quad data selector/Multiplexer 

74273 
O 
Octal D type flip flop 

74279  M 
Quad S/R latch 

74280  M 
9bit parity generator 

74299  M 
8bit shift registers with 3state o/p 

74322  M 
8bit shift registers with sign extend 

74365 
O 
Hex bus drivers 

74367  M 
Hex 3state buffers 

74373 
O 
Octal DType transparent latches 

74374  M 
Edge triggered D flip flops 

74375  M 
4bit D latch 

74393  M 
Dual 4bit binary counter 

74S405  M 
1of8 Decoder/demultiplexer 
Mf. by CEMI 
74541  M 
Octal buffers/line drivers 

74547  M 
LED Display driver 
Mf. by CEMI 
74573  M 
Octal Dlatch 
Also 74574? 
74595  M 
8bit shift registers 

74670  M 
4x4 register memory 
Name 
? 
Description 
Notes 
4000 
M 
Dual 3input NOR + inverter 
CEMI 74000 
4001 
M 
Quad 2input NOR gates 

4002 
M 
Dual 4input NOR gates 

4008 
M 
4bit adder with carry output 

4011 
O 
Quad 2input NAND 

4012 
O 
Dual 4input NAND 

4013 
O 
Dual Dtype Flipflop 

4015 
M 
Dual 4stage static shift register 

4016 
O 
Quad bilateral switches 

4017 
M 
Decade Counter/divider 

4019 
M 
Quad ANDOR Select Gates 

4021 
M 
8stage static shift register 

4023 
M 
Triple 3input NAND gate 

4024 
M 
7stage ripple carry binary counter 

4025 
M 
Triple 3input NOR gate 

4027 
M 
Dual JK Flipflop 

4028 
M 
BCD to decimal decoder 
Versions with and without extended codes 
4029 
M 
Presettable up/down counter 

4030 
M 
Quad XOR gate 

4035 
M 
4stage parallel I/O Shift register 

4040 
M 
12stage binary ripple counter 
Long test. Clocks through all 12 bits. 
4042 
M 
Quad clocked Dlatch 

4044 
M 
Quad R/S latch with 3state outputs 

4049 
M 
Hex inverting buffers 

4050 
M 
Hex buffers 

4051 
M 
Analog de/multiplexer 

4052 
M 
Dual 4channel analog de/multiplexer 

4053 
M 
Analog de/multiplexer 

4066 
M 
Quad bilateral switch 

4069 
M 
Hex inverters 

4070 
M 
Quad 2input XOR gate 

4071 
M 
Quad 2input OR gate 

4072 
M 
Dual 4input OR gate 

4073 
M 
Triple 3input AND gate 

4077 
M 
Quad exclusive NOR gate 

4081 
M 
Quad 2input AND gate 

4093 
M 
Quad 2input NAND Schmitt trigger 

40102 
M 
2decade BCD Down counter 

40106 
O 
Hex inverting Schmitt trigger 

40511 
M 
BCD to 7segment Decoder/driver 
?Mostly German chips? 
4503 
M 
Hex inverting buffer 

4511 
M 
BCD to 7segment display driver 

4518 
M 
Dial BCD binary counter 

4520 
M 
Dual 4bit priority encoder 

4532 
M 
8bit priority encoder 

4724 
M 
8bit addressable latch 
Name 
? 
Description 
Notes 
8242 
M 
4bit comparator 

8251 
M 
2input 4bit multiplexer 

8266 
M 
BCD to Decimal decoder 

8290 
M 
Presettable BCD/binary counter 

8291 
M 
Presettable binary counter 

8640 
M 
Quad NOR Unified bus receivers 

8885 
M 
Quad 2input NOR gate 

8T37 
M 
Hex bus receiver 

SP314 
M 
7input NOR 
Name 
? 
Description 
Notes 
MC3003 
M 
Quad 2input OR gate 

MC833 
M 
Dual 4input NAND expander 

MC855P 
M 
Dual JK Flipflops 
Also MC852P 
MC858P 
M 
Quad 2input NAND 
Name 
? 
Description 
Notes 
ILQ74 
M 
Quad optocouplers 

8212 
M 
8bit I/O port 

8216 
M 
4bit parallel bidirectional bus driver 
Also CEMI 74S416 
8226 
M 
4bit parallel bidirectional bus driver  Also DEMI 74S426 
8283 
M 
Octal latch, inverting 
Also CEMI 74S483 
8286 
M 
Octal bus transceiver 

8287 
M 
8bit bus transceivers 
Also CEMI 74S487 
x817 
M 
Single optocoupler 
Do not test for too long as current limitting
is poor 
UL1121 
M 
LED display driver 
Mf. CEMI 
MCbx, 2019.