| Nr. | Part Name | Description | Manufacturer by |
| 82401 | 74AC257 | QUAD 2 CHANNEL MULTIPLEXER (3-STATE) | SGS Thomson Microelectronics |
| 82402 | 74AC257 | QUAD 2 CHANNEL MULTIPLEXER (3-STATE) | ST Microelectronics |
| 82403 | 74AC257B | QUAD 2 CHANNEL MULTIPLEXER (3-STATE) | ST Microelectronics |
| 82404 | 74AC257B | QUAD 2 CHANNEL MULTIPLEXER (3-STATE) | SGS Thomson Microelectronics |
| 82405 | 74AC257M | QUAD 2 CHANNEL MULTIPLEXER (3-STATE) | ST Microelectronics |
| 82406 | 74AC257M | QUAD 2 CHANNEL MULTIPLEXER (3-STATE) | SGS Thomson Microelectronics |
| 82407 | 74AC257MTC | Quad 2-Input Multiplexer with 3-STATE Outputs | Fairchild Semiconductor |
| 82408 | 74AC257MTCX | Quad 2-Input Multiplexer with 3-STATE Outputs | Fairchild Semiconductor |
| 82409 | 74AC257MTR | QUAD 2 CHANNEL MULTIPLEXER (3-STATE) | ST Microelectronics |
| 82410 | 74AC257MTR | QUAD 2 CHANNEL MULTIPLEXER (3-STATE) | SGS Thomson Microelectronics |
| 82411 | 74AC257PC | Quad 2-Input Multiplexer with 3-STATE Outputs | Fairchild Semiconductor |
| 82412 | 74AC257SC | Quad 2-Input Multiplexer with 3-STATE Outputs | Fairchild Semiconductor |
| 82413 | 74AC257SCX | Quad 2-Input Multiplexer with 3-STATE Outputs | Fairchild Semiconductor |
| 82414 | 74AC257SJ | Quad 2-Input Multiplexer with 3-STATE Outputs | Fairchild Semiconductor |
| 82415 | 74AC257SJX | Quad 2-Input Multiplexer with 3-STATE Outputs | Fairchild Semiconductor |
| 82416 | 74AC257TTR | QUAD 2 CHANNEL MULTIPLEXER (3-STATE) | ST Microelectronics |
| 82417 | 74AC257TTR | QUAD 2 CHANNEL MULTIPLEXER (3-STATE) | SGS Thomson Microelectronics |
| 82418 | 74AC273 | Octal D Flip-Flop | National Semiconductor |
| 82419 | 74AC273 | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 82420 | 74AC273 | OCTAL D-TYPE FLIP FLOP WITH CLEAR | SGS Thomson Microelectronics |
| 82421 | 74AC273 | OCTAL D-TYPE FLIP FLOP WITH CLEAR | ST Microelectronics |
| 82422 | 74AC273B | OCTAL D-TYPE FLIP FLOP WITH CLEAR | ST Microelectronics |
| 82423 | 74AC273B | OCTAL D-TYPE FLIP FLOP WITH CLEAR | SGS Thomson Microelectronics |
| 82424 | 74AC273M | OCTAL D-TYPE FLIP FLOP WITH CLEAR | ST Microelectronics |
| 82425 | 74AC273M | OCTAL D-TYPE FLIP FLOP WITH CLEAR | SGS Thomson Microelectronics |
| 82426 | 74AC273MTC | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 82427 | 74AC273MTCX | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 82428 | 74AC273MTR | OCTAL D-TYPE FLIP FLOP WITH CLEAR | ST Microelectronics |
| 82429 | 74AC273MTR | OCTAL D-TYPE FLIP FLOP WITH CLEAR | SGS Thomson Microelectronics |
| 82430 | 74AC273PC | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 82431 | 74AC273SC | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 82432 | 74AC273SCX | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 82433 | 74AC273SJ | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 82434 | 74AC273SJX | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 82435 | 74AC273TTR | OCTAL D-TYPE FLIP FLOP WITH CLEAR | ST Microelectronics |
| 82436 | 74AC273TTR | OCTAL D-TYPE FLIP FLOP WITH CLEAR | SGS Thomson Microelectronics |
| 82437 | 74AC280 | 9-Bit Parity Generator/Checker | Fairchild Semiconductor |
| 82438 | 74AC280 | 9 BIT PARITY GENERATOR | SGS Thomson Microelectronics |
| 82439 | 74AC280 | 9 BIT PARITY GENERATOR | ST Microelectronics |
| 82440 | 74AC280B | 9 BIT PARIT GENERATOR | ST Microelectronics |
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