| Name | 
          ? | 
          Description | 
          Notes | 
        
| 7400 | 
          O | 
          Quad 2-input NAND | 
          |
| 7401 | 
          O | 
          Quad 2-input NAND with o/c outputs | 
          |
| 7402 | 
          O | 
          Quad 2-inpuit NOR | 
          |
| 7403 | 
          O | 
          Quad 2-input 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 2-input AND | 
          |
| 7409 | 
          O | 
          Quad 2-input 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 2-input NAND with HV outputs | 
          |
| 7427 | 
          O | 
          Triple 3 Input NOR | 
          |
| 7430 | 
          O | 
          8 Input NAND | 
          |
| 7432 | 
          O | 
          Quad 2 input OR | 
          |
| 7437 | 
          M | 
          Quad 2-input NAND buffer | 
          |
| 7438 | 
          O | 
          Quad 2 Input NAND O/C  | 
          |
| 7440 | 
          M | 
          Dual 4-input 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 7-segment driver | 
          |
| 7450 | 
          M | 
          Dual 2-wide 2-input AND-OR-INV gate | 
          |
| 7451 | 
          M | 
          Dual 2-wide 2-input AND-NOR gate | 
          |
| 74LS51 | 
          M | 
          Dual 2-wide 2-input AND-NOR gate | Different pinouts in LS and normal chips | 
        
| 7452 | 
          M | 
          2-2-2-3 Input Expandable AND-OR | 
          |
| 7453 | 
          M | 
          Expandable 4-wide AND-OR-INVERT | 
          |
| 7454 | 
          M | 
          AND-OR-INVERT gate | 
          NOT 74LS54! - LS has different I/O and
            pinout. | 
        
| 7464 | 
          M | 
          4-2-3-2 Input AND OR INVERT | 
          |
| 7472 | 
          M | 
          AND-gated J-K M/S Flip Flop | 
          |
| 7473 | 
          M | 
          Dual JK Flip-flops with clear | 
          |
| 7474 | 
          O | 
          Dual D-Type flip-flop | 
          |
| 7475 | 
          O | 
          Quad 4 bit bistable latch  | 
          |
| 7476 | 
          M | 
          Dual JK Flip-flops with preset and clr | 
          |
| 7482 | 
          M | 
          2-bit binary full adder | 
          |
| 7483 | 
          M | 
          4-bit 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 | 
          8-bit shift registers | 
          |
| 7492 | 
          O | 
          Divide by 12  counter | 
          |
| 7493 | 
          MO | 
          4-bit binary counter | 
          |
| 7495 | 
          MO | 
          4-bit 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 J-K Flip-flop | 
          |
| 74125 | 
          MO | 
          Quad tri-state buffers | 
          |
| 74126 | 
          O | 
          Quad Bus Buffer with 3 state output  | 
          |
| 74132 | 
          MO | 
          Quad 2-input NAND Schmitt gates | 
          |
| 74133 | 
          M | 
          13-input 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 | 
          8-to-3 line decoder | 
          |
| 74150 | 
          M | 
          Data selectors | 
          |
| 74151 | 
          MO | 
          1 of 8 data selector | 
          |
| 74153 | 
          M | 
          Dual 1-of-4 line selectors | |
| 74154 | 
          O | 
          4 to 16 decoder/multiplexer  | 
          |
| 74155 | 
          M | 
          Dual 1-of-4 decoder | |
| 74156 | 
          M | 
          Dual 1-of-4 decoder | 
          |
| 74157 | 
          M | 
          Quad 2-input multiplexer | |
| 74158 | 
          M | 
          Quad 2-input multiplexer | 
          |
| 74161 | 
          M | 
          Synchronous 4-bit binary counter | |
| 74163 | 
          M | 
          Synchronous 4-bit binary counter | 
          |
| 74164 | 
          O | 
          8 bit parallel out serial register  | 
          |
| 74165 | 
          M | 
          Parallel load 8-bit shift registers | 
          |
| 74166 | 
          M | 
          8-bit shift register | 
          |
| 74174 | 
          M | 
          Hex D-type FLip-flop | 
          |
| 74175 | 
          M | 
          Quad d-type Flip-flops with clear | 
          |
| 74180 | 
          M | 
          9-bit 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 4-bit binary counter | 
          |
| 74194 | 
          M | 
          4-bit bidirectional shift register | 
          |
| 74197 | 
          M | 
          4-bit 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 | 
          3-state 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 | 
          9-bit parity generator | 
          |
| 74299 | M | 
          8-bit shift registers with 3-state o/p | 
          |
| 74322 | M | 
          8-bit shift registers with sign extend | 
          |
| 74365 | 
          O | 
          Hex bus drivers | 
          |
| 74367 | M | 
          Hex 3-state buffers | 
          |
| 74373 | 
          O | 
          Octal D-Type transparent latches | 
          |
| 74374 | M | 
          Edge triggered D flip flops | 
          |
| 74375 | M | 
          4-bit D latch | 
          |
| 74393 | M | 
          Dual 4-bit binary counter | 
          |
| 74S405 | M | 
          1-of-8 Decoder/demultiplexer | 
          Mf. by CEMI | 
        
| 74541 | M | 
          Octal buffers/line drivers | 
          |
| 74547 | M | 
          LED Display driver | 
          Mf. by CEMI | 
        
| 74573 | M | 
          Octal D-latch  | 
          Also 74574? | 
        
| 74595 | M | 
          8-bit shift registers | 
          |
| 74670 | M | 
          4x4 register memory | 
          
| Name | 
          ? | 
          Description | 
          Notes | 
        
| 4000 | 
          M | 
          Dual 3-input NOR + inverter | 
          CEMI 74000 | 
        
| 4001 | 
          M | 
          Quad 2-input NOR gates | 
          |
| 4002 | 
          M | 
          Dual 4-input NOR gates | 
          |
| 4008 | 
          M | 
          4-bit adder with carry output | 
          |
| 4011 | 
          O | 
          Quad 2-input NAND | 
          |
| 4012 | 
          O | 
          Dual 4-input NAND | 
          |
| 4013 | 
          O | 
          Dual D-type Flip-flop | 
          |
| 4015 | 
          M | 
          Dual 4-stage static shift register | 
          |
| 4016 | 
          O | 
          Quad bilateral switches | 
          |
| 4017 | 
          M | 
          Decade Counter/divider | 
          |
| 4019 | 
          M | 
          Quad AND-OR Select Gates | 
          |
| 4021 | 
          M | 
          8-stage static shift register | 
          |
| 4023 | 
          M | 
          Triple 3-input NAND gate | 
          |
| 4024 | 
          M | 
          7-stage ripple carry binary counter | 
          |
| 4025 | 
          M | 
          Triple 3-input NOR gate | 
          |
| 4027 | 
          M | 
          Dual J-K Flip-flop | 
          |
| 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 | 
          4-stage parallel I/O Shift register | 
          |
| 4040 | 
          M | 
          12-stage binary ripple counter | 
          Long test. Clocks through all 12 bits. | 
        
| 4042 | 
          M | 
          Quad clocked D-latch | 
          |
| 4044 | 
          M | 
          Quad R/S latch with 3-state outputs | 
          |
| 4049 | 
          M | 
          Hex inverting buffers | 
          |
| 4050 | 
          M | 
          Hex buffers | 
          |
| 4051 | 
          M | 
          Analog de/multiplexer | 
          |
| 4052 | 
          M | 
          Dual 4-channel analog de/multiplexer | 
          |
| 4053 | 
          M | 
          Analog de/multiplexer | 
          |
| 4066 | 
          M | 
          Quad bilateral switch | 
          |
| 4069 | 
          M | 
          Hex inverters | 
          |
| 4070 | 
          M | 
          Quad 2-input XOR gate | 
          |
| 4071 | 
          M | 
          Quad 2-input OR gate | 
          |
| 4072 | 
          M | 
          Dual 4-input OR gate | 
          |
| 4073 | 
          M | 
          Triple 3-input AND gate | 
          |
| 4077 | 
          M | 
          Quad exclusive NOR gate | 
          |
| 4081 | 
          M | 
          Quad 2-input AND gate | 
          |
| 4093 | 
          M | 
          Quad 2-input NAND Schmitt trigger | 
          |
| 40102 | 
          M | 
          2-decade BCD Down counter | 
          |
| 40106 | 
          O | 
          Hex inverting Schmitt trigger | 
          |
| 40511 | 
          M | 
          BCD to 7-segment Decoder/driver | 
          ?Mostly German chips? | 
        
| 4503 | 
          M | 
          Hex inverting buffer | 
          |
| 4511 | 
          M | 
          BCD to 7-segment display driver | 
          |
| 4518 | 
          M | 
          Dial BCD binary counter | 
          |
| 4520 | 
          M | 
          Dual 4-bit priority encoder | 
          |
| 4532 | 
          M | 
          8-bit priority encoder | 
          |
| 4724 | 
          M | 
          8-bit addressable latch | 
          
| Name | 
          ? | 
          Description | 
          Notes | 
        
| 8242 | 
          M | 
          4-bit comparator | 
          |
| 8251 | 
          M | 
          2-input 4-bit 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 2-input NOR gate | 
          |
| 8T37 | 
          M | 
          Hex bus receiver | 
          |
| SP314 | 
          M | 
          7-input NOR | 
          
| Name | 
          ? | 
          Description | 
          Notes | 
        
| MC3003 | 
          M | 
          Quad 2-input OR gate | 
          |
| MC833 | 
          M | 
          Dual 4-input NAND expander | 
          |
| MC855P | 
          M | 
          Dual JK Flip-flops | 
          Also MC852P | 
        
| MC858P | 
          M | 
          Quad 2-input NAND | 
          
| Name | 
          ? | 
          Description | 
          Notes | 
        
| ILQ74 | 
          M | 
          Quad optocouplers | 
          |
| 8212 | 
          M | 
          8-bit I/O port | 
          |
| 8216 | 
          M | 
          4-bit parallel bidirectional bus driver | 
          Also CEMI 74S416 | 
        
| 8226 | 
          M | 
          4-bit parallel bidirectional bus driver | Also DEMI 74S426 | 
        
| 8283 | 
          M | 
          Octal latch, inverting | 
          Also CEMI 74S483 | 
        
| 8286 | 
          M | 
          Octal bus transceiver | 
          |
| 8287 | 
          M | 
          8-bit 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.