| 646481 | HCC4034BF | INPUT/OUTPUT BUS REGISTER 8-STAGE STATIC BIDIRECTIONAL PARALLEL/SERIAL | ST Microelectronics |
| 646482 | HCC4034BKG | Rad-hard 8-stage static bidirectional bus register | ST Microelectronics |
| 646483 | HCC4034BKT | Rad-hard 8-stage static bidirectional bus register | ST Microelectronics |
| 646484 | HCC4035B | 4-STAGE PARALLEL IN/PARALLEL OUT SHIFT REGISTER | SGS Thomson Microelectronics |
| 646485 | HCC4035B | 4-STAGE PARALLEL IN/PARALLEL OUT SHIFT REGISTER | ST Microelectronics |
| 646486 | HCC4035BF | 4-STAGE PARALLEL IN/PARALLEL OUT SHIFT REGISTER | SGS Thomson Microelectronics |
| 646487 | HCC4035BF | 4-STAGE PARALLEL IN/PARALLEL OUT SHIFT REGISTER | ST Microelectronics |
| 646488 | HCC4038B | TRIPLE SERIAL ADDERS | SGS Thomson Microelectronics |
| 646489 | HCC4038B | TRIPLE SERIAL ADDERS | ST Microelectronics |
| 646490 | HCC4038BC1 | TRIPLE SERIAL ADDERS | SGS Thomson Microelectronics |
| 646491 | HCC4038BC1 | TRIPLE SERIAL ADDERS | ST Microelectronics |
| 646492 | HCC4038BEY | TRIPLE SERIAL ADDERS | SGS Thomson Microelectronics |
| 646493 | HCC4038BEY | TRIPLE SERIAL ADDERS | ST Microelectronics |
| 646494 | HCC4038BF | TRIPLE SERIAL ADDERS | SGS Thomson Microelectronics |
| 646495 | HCC4038BF | TRIPLE SERIAL ADDERS | ST Microelectronics |
| 646496 | HCC4038BM1 | TRIPLE SERIAL ADDERS | SGS Thomson Microelectronics |
| 646497 | HCC4038BM1 | TRIPLE SERIAL ADDERS | ST Microelectronics |
| 646498 | HCC4040B | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | SGS Thomson Microelectronics |
| 646499 | HCC4040B | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | ST Microelectronics |
|
| 646500 | HCC4040BC1 | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | SGS Thomson Microelectronics |
| 646501 | HCC4040BC1 | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | ST Microelectronics |
| 646502 | HCC4040BDG | Rad-hard 12-stage binary/ripple counter | ST Microelectronics |
| 646503 | HCC4040BDT | Rad-hard 12-stage binary/ripple counter | ST Microelectronics |
| 646504 | HCC4040BEY | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | SGS Thomson Microelectronics |
| 646505 | HCC4040BEY | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | ST Microelectronics |
| 646506 | HCC4040BF | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | SGS Thomson Microelectronics |
| 646507 | HCC4040BF | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | ST Microelectronics |
| 646508 | HCC4040BKG | Rad-hard 12-stage binary/ripple counter | ST Microelectronics |
| 646509 | HCC4040BKT | Rad-hard 12-stage binary/ripple counter | ST Microelectronics |
| 646510 | HCC4040BM1 | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | SGS Thomson Microelectronics |
| 646511 | HCC4040BM1 | RIPPLE-CARRY BINARY COUNTER/DIVIDERS | ST Microelectronics |
| 646512 | HCC4041BF | QUAD TRUE/COMPLEMENT BUFFER | SGS Thomson Microelectronics |
| 646513 | HCC4041BF | QUAD TRUE/COMPLEMENT BUFFER | ST Microelectronics |
| 646514 | HCC4041UB | QUAD TRUE/COMPLEMENT BUFFER | SGS Thomson Microelectronics |
| 646515 | HCC4041UB | QUAD TRUE/COMPLEMENT BUFFER | ST Microelectronics |
| 646516 | HCC4041UBDG | Rad-hard quad true/complement buffer | ST Microelectronics |
| 646517 | HCC4041UBDT | Rad-hard quad true/complement buffer | ST Microelectronics |
| 646518 | HCC4041UBKG | Rad-hard quad true/complement buffer | ST Microelectronics |
| 646519 | HCC4041UBKT | Rad-hard quad true/complement buffer | ST Microelectronics |
| 646520 | HCC4042B | QUAD CLOCKED öDö LATCH | SGS Thomson Microelectronics |
