| 142321 | 74HCT534D | 5 V octal D-type flip-flop; positive-edge trigger; 3-state; inverting | NXP Semiconductors |
| 142322 | 74HCT534D | 74HCT534; 5 V octal D-type flip-flop; positive-edge trigger; 3-state; inverting | Philips |
| 142323 | 74HCT534N | 5 V octal D-type flip-flop; positive-edge trigger; 3-state; inverting | NXP Semiconductors |
| 142324 | 74HCT534N | 74HCT534; 5 V octal D-type flip-flop; positive-edge trigger; 3-state; inverting | Philips |
| 142325 | 74HCT534U | Octal D-type flip-flop; positive edge-trigger; 3-state; inverting | Philips |
| 142326 | 74HCT540 | inverting | Philips |
| 142327 | 74HCT540D | Octal buffer/line driver; 3-state; inverting | Nexperia |
| 142328 | 74HCT540D | Octal buffer/line driver; 3-state; inverting | NXP Semiconductors |
| 142329 | 74HCT540D | 74HC/HCT540; Octal buffer/line driver; 3-state; inverting | Philips |
| 142330 | 74HCT540D-Q100 | Octal buffer/line driver; 3-state; inverting | Nexperia |
| 142331 | 74HCT540D-Q100 | Octal buffer/line driver; 3-state; inverting | NXP Semiconductors |
| 142332 | 74HCT540DB | Octal buffer/line driver; 3-state; inverting | Nexperia |
| 142333 | 74HCT540DB | Octal buffer/line driver; 3-state; inverting | NXP Semiconductors |
| 142334 | 74HCT540DB | 74HC/HCT540; Octal buffer/line driver; 3-state; inverting | Philips |
| 142335 | 74HCT540N | Octal buffer/line driver; 3-state; inverting | NXP Semiconductors |
| 142336 | 74HCT540N | 74HC/HCT540; Octal buffer/line driver; 3-state; inverting | Philips |
| 142337 | 74HCT540U | Octal buffer/line driver; 3-state; inverting | Philips |
| 142338 | 74HCT541 | 3-state | Philips |
| 142339 | 74HCT541D | Octal buffer/line driver; 3-state | Nexperia |
|
| 142340 | 74HCT541D | 74HC/HCT541; Octal buffer/line driver; 3-state | Philips |
| 142341 | 74HCT541D-Q100 | Octal buffer/line driver; 3-state | Nexperia |
| 142342 | 74HCT541DB | Octal buffer/line driver; 3-state | Nexperia |
| 142343 | 74HCT541DB | 74HC/HCT541; Octal buffer/line driver; 3-state | Philips |
| 142344 | 74HCT541N | 74HC/HCT541; Octal buffer/line driver; 3-state | Philips |
| 142345 | 74HCT541PW | Octal buffer/line driver; 3-state | Nexperia |
| 142346 | 74HCT541PW | 74HC/HCT541; Octal buffer/line driver; 3-state | Philips |
| 142347 | 74HCT541PW-Q100 | Octal buffer/line driver; 3-state | Nexperia |
| 142348 | 74HCT5555 | Programmable delay timer with oscillator | Philips |
| 142349 | 74HCT5555D | Programmable delay timer with oscillator | NXP Semiconductors |
| 142350 | 74HCT5555D | Programmable delay timer with oscillator | Philips |
| 142351 | 74HCT5555N | Programmable delay timer with oscillator | NXP Semiconductors |
| 142352 | 74HCT5555N | Programmable delay timer with oscillator | Philips |
| 142353 | 74HCT563 | inverting | Philips |
| 142354 | 74HCT563D | Octal D-type transparent latch; 3-state; inverting | NXP Semiconductors |
| 142355 | 74HCT563D | 74HC/HCT563; Octal D-type transparent latch; 3-state; inverting | Philips |
| 142356 | 74HCT563DB | Octal D-type transparent latch; 3-state; inverting | NXP Semiconductors |
| 142357 | 74HCT563DB | 74HC/HCT563; Octal D-type transparent latch; 3-state; inverting | Philips |
| 142358 | 74HCT563N | Octal D-type transparent latch; 3-state; inverting | NXP Semiconductors |
| 142359 | 74HCT563N | 74HC/HCT563; Octal D-type transparent latch; 3-state; inverting | Philips |
| 142360 | 74HCT563U | Octal D-type transparent latch; 3-state; inverting | Philips |
