| 646321 | HCC40194BEY | 4-BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTER | SGS Thomson Microelectronics |
| 646322 | HCC40194BEY | 4-BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTER | ST Microelectronics |
| 646323 | HCC40194BF | 4-BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTER | SGS Thomson Microelectronics |
| 646324 | HCC40194BF | 4-BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTER | ST Microelectronics |
| 646325 | HCC4019B | QUAD AND/OR SELECT GATE | SGS Thomson Microelectronics |
| 646326 | HCC4019B | QUAD AND/OR SELECT GATE | ST Microelectronics |
| 646327 | HCC4019BDG | Rad-hard quad AND/OR select gate | ST Microelectronics |
| 646328 | HCC4019BDT | Rad-hard quad AND/OR select gate | ST Microelectronics |
| 646329 | HCC4019BF | QUAD AND/OR SELECT GATE | SGS Thomson Microelectronics |
| 646330 | HCC4019BF | QUAD AND/OR SELECT GATE | ST Microelectronics |
| 646331 | HCC4019BKG | Rad-hard quad AND/OR select gate | ST Microelectronics |
| 646332 | HCC4019BKT | Rad-hard quad AND/OR select gate | ST Microelectronics |
| 646333 | HCC401XXBF | 4-BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTER | ST Microelectronics |
| 646334 | HCC40208B | 4 x 4 MULTIPORT REGISTER | SGS Thomson Microelectronics |
| 646335 | HCC40208B | 4 x 4 MULTIPORT REGISTER | ST Microelectronics |
| 646336 | HCC40208BF | 4 x 4 MULTIPORT REGISTER | SGS Thomson Microelectronics |
| 646337 | HCC40208BF | 4 x 4 MULTIPORT REGISTER | ST Microelectronics |
| 646338 | HCC4020B | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | SGS Thomson Microelectronics |
| 646339 | HCC4020B | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | ST Microelectronics |
|
| 646340 | HCC4020BC1 | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | SGS Thomson Microelectronics |
| 646341 | HCC4020BC1 | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | ST Microelectronics |
| 646342 | HCC4020BDG | Rad-hard 14-stage binary/ripple counter | ST Microelectronics |
| 646343 | HCC4020BDT | Rad-hard 14-stage binary/ripple counter | ST Microelectronics |
| 646344 | HCC4020BEY | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | SGS Thomson Microelectronics |
| 646345 | HCC4020BEY | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | ST Microelectronics |
| 646346 | HCC4020BF | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | SGS Thomson Microelectronics |
| 646347 | HCC4020BF | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | ST Microelectronics |
| 646348 | HCC4020BKG | Rad-hard 14-stage binary/ripple counter | ST Microelectronics |
| 646349 | HCC4020BKT | Rad-hard 14-stage binary/ripple counter | ST Microelectronics |
| 646350 | HCC4020BM1 | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | SGS Thomson Microelectronics |
| 646351 | HCC4020BM1 | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | ST Microelectronics |
| 646352 | HCC4021B | 8-STAGE STATIC SHIFT REGISTERS | SGS Thomson Microelectronics |
| 646353 | HCC4021B | 8-STAGE STATIC SHIFT REGISTERS | ST Microelectronics |
| 646354 | HCC4021BC1 | 8-STAGE STATIC SHIFT REGISTERS | SGS Thomson Microelectronics |
| 646355 | HCC4021BC1 | 8-STAGE STATIC SHIFT REGISTERS | ST Microelectronics |
| 646356 | HCC4021BDG | Rad-hard 8-stage static shift register | ST Microelectronics |
| 646357 | HCC4021BDT | Rad-hard 8-stage static shift register | ST Microelectronics |
| 646358 | HCC4021BEY | 8-STAGE STATIC SHIFT REGISTERS | SGS Thomson Microelectronics |
| 646359 | HCC4021BEY | 8-STAGE STATIC SHIFT REGISTERS | ST Microelectronics |
| 646360 | HCC4021BF | 8-STAGE STATIC SHIFT REGISTERS | SGS Thomson Microelectronics |
