| 159321 | 74HC257PW | Quad 2-input multiplexer; 3-state | NXP Semiconductors |
| 159322 | 74HC257PW | Quad 2-input multiplexer 3-state | Philips |
| 159323 | 74HC257PW-Q100 | Quad 2-input multiplexer; 3-state | Nexperia |
| 159324 | 74HC258 | Quad 2-input multiplexer; 3-state; inverting | Philips |
| 159325 | 74HC258D | Quad 2-input multiplexer; 3-state; inverting | Philips |
| 159326 | 74HC258DB | Quad 2-input multiplexer; 3-state; inverting | Philips |
| 159327 | 74HC258N | Quad 2-input multiplexer; 3-state; inverting | Philips |
| 159328 | 74HC259 | 8-bit addressable latch | Philips |
| 159329 | 74HC259BQ | 8-bit addressable latch | Nexperia |
| 159330 | 74HC259BQ | 8-bit addressable latch | NXP Semiconductors |
| 159331 | 74HC259BQ-Q100 | 8-bit addressable latch | Nexperia |
| 159332 | 74HC259BQ-Q100 | 8-bit addressable latch | NXP Semiconductors |
| 159333 | 74HC259D | 8-bit addressable latch | Nexperia |
| 159334 | 74HC259D | 8-bit addressable latch | NXP Semiconductors |
| 159335 | 74HC259D | 74HC/HCT259; 8-bit addressable latch | Philips |
| 159336 | 74HC259D-Q100 | 8-bit addressable latch | Nexperia |
| 159337 | 74HC259D-Q100 | 8-bit addressable latch | NXP Semiconductors |
| 159338 | 74HC259DB | 8-bit addressable latch | Nexperia |
| 159339 | 74HC259DB | 8-bit addressable latch | NXP Semiconductors |
|
| 159340 | 74HC259DB | 74HC/HCT259; 8-bit addressable latch | Philips |
| 159341 | 74HC259N | 8-bit addressable latch | NXP Semiconductors |
| 159342 | 74HC259N | 74HC/HCT259; 8-bit addressable latch | Philips |
| 159343 | 74HC259PW | 8-bit addressable latch | Nexperia |
| 159344 | 74HC259PW | 8-bit addressable latch | NXP Semiconductors |
| 159345 | 74HC259PW | 74HC/HCT259; 8-bit addressable latch | Philips |
| 159346 | 74HC259PW-Q100 | 8-bit addressable latch | Nexperia |
| 159347 | 74HC259PW-Q100 | 8-bit addressable latch | NXP Semiconductors |
| 159348 | 74HC259U | 8-bit addressable latch | Philips |
| 159349 | 74HC27 | Triple 3-input NOR gate | Philips |
| 159350 | 74HC273 | positive-edge trigger | Philips |
| 159351 | 74HC273BQ | Octal D-type flip-flop with reset; positive-edge trigger | Nexperia |
| 159352 | 74HC273BQ | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
| 159353 | 74HC273BQ | 74HC/HCT273; Octal D-type flip-flop with reset; positive-edge trigger | Philips |
| 159354 | 74HC273BQ-Q100 | Octal D-type flip-flop with reset; positive-edge trigger | Nexperia |
| 159355 | 74HC273BQ-Q100 | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
| 159356 | 74HC273D | Octal D-type flip-flop with reset; positive-edge trigger | Nexperia |
| 159357 | 74HC273D | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
| 159358 | 74HC273D | 74HC/HCT273; Octal D-type flip-flop with reset; positive-edge trigger | Philips |
| 159359 | 74HC273D-Q100 | Octal D-type flip-flop with reset; positive-edge trigger | Nexperia |
| 159360 | 74HC273D-Q100 | Octal D-type flip-flop with reset; positive-edge trigger | NXP Semiconductors |
