| 973281 | M54HCT640 | HCT640 INVERTING, HCT643 INVERTING/NON INVERTING OCTAL BUS TRANSCEIVER (3-STATE): HCT245 NON INVERTING | SGS Thomson Microelectronics |
| 973282 | M54HCT640 | OCTAL BUS TRANSCEIVER3-STATE: HCT245 NON INVERTING HCT640 INVERTING / HCT643 INVERTING/NON INVERTING | ST Microelectronics |
| 973283 | M54HCT640F1R | OCTAL BUS TRANSCEIVER3-STATE: HCT245 NON INVERTING HCT640 INVERTING, HCT643 INVERTING/NON INVERTING | SGS Thomson Microelectronics |
| 973284 | M54HCT640F1R | OCTAL BUS TRANSCEIVER3-STATE: HCT245 NON INVERTING HCT640 INVERTING / HCT643 INVERTING/NON INVERTING | ST Microelectronics |
| 973285 | M54HCT643 | HCT640 INVERTING, HCT643 INVERTING/NON INVERTING OCTAL BUS TRANSCEIVER (3-STATE): HCT245 NON INVERTING | SGS Thomson Microelectronics |
| 973286 | M54HCT643 | OCTAL BUS TRANSCEIVER3-STATE: HCT245 NON INVERTING HCT640 INVERTING / HCT643 INVERTING/NON INVERTING | ST Microelectronics |
| 973287 | M54HCT643F1R | OCTAL BUS TRANSCEIVER3-STATE: HCT245 NON INVERTING HCT640 INVERTING, HCT643 INVERTING/NON INVERTING | SGS Thomson Microelectronics |
| 973288 | M54HCT643F1R | OCTAL BUS TRANSCEIVER3-STATE: HCT245 NON INVERTING HCT640 INVERTING / HCT643 INVERTING/NON INVERTING | ST Microelectronics |
| 973289 | M54HCT688 | 8 BIT EQUALITY COMPARATOR | SGS Thomson Microelectronics |
| 973290 | M54HCT688 | 8 BIT EQUALITY COMPARATOR | ST Microelectronics |
| 973291 | M54HCT688F1R | 8 BIT EQUALITY COMPARATOR | SGS Thomson Microelectronics |
| 973292 | M54HCT688F1R | 8 BIT EQUALITY COMPARATOR | ST Microelectronics |
| 973293 | M54HCT7007 | HEX BUFFER | SGS Thomson Microelectronics |
| 973294 | M54HCT7007 | HEX BUFFER | ST Microelectronics |
| 973295 | M54HCT7007F1R | HEX BUFFER | SGS Thomson Microelectronics |
| 973296 | M54HCT7007F1R | HEX BUFFER | ST Microelectronics |
| 973297 | M54HCT74 | DUAL D TYPE FLIP FLOP WITH PRESET AND CLEAR | SGS Thomson Microelectronics |
| 973298 | M54HCT74 | DUAL D TYPE FLIP FLOP WITH PRESET AND CLEAR | ST Microelectronics |
| 973299 | M54HCT74DG | Rad-Hard Dual D-Type Flip-Flop With Preset & Clear | ST Microelectronics |
|
| 973300 | M54HCT74DT | Rad-Hard Dual D-Type Flip-Flop With Preset & Clear | ST Microelectronics |
| 973301 | M54HCT74F1R | DUAL D TYPE FLIP FLOP WITH PRESET AND CLEAR | ST Microelectronics |
| 973302 | M54HCT74KG | Rad-Hard Dual D-Type Flip-Flop With Preset & Clear | ST Microelectronics |
| 973303 | M54HCT74KT | Rad-Hard Dual D-Type Flip-Flop With Preset & Clear | ST Microelectronics |
| 973304 | M54HCT75 | 4 BIT D TYPE LATCH | SGS Thomson Microelectronics |
| 973305 | M54HCT75 | 4 BIT D TYPE LATCH | ST Microelectronics |
| 973306 | M54HCT75F1R | 4 BIT D TYPE LATCH | ST Microelectronics |
| 973307 | M54HCT86 | QUAD EXCLUSIVE OR GATE | SGS Thomson Microelectronics |
| 973308 | M54HCT86 | QUAD EXCLUSIVE OR GATE | ST Microelectronics |
| 973309 | M54HCT86F1R | QUAD EXCLUSIVE OR GATE | ST Microelectronics |
| 973310 | M54HCTXXXF1R | HCT157 QUAD 2 CHANNEL MULTIPLEXER HCT158 QUAD 2 CHANNEL MULTIPLEXER (INV) | ST Microelectronics |
| 973311 | M54HCU04 | HEX INVERTER (SINGLE STAGE) | SGS Thomson Microelectronics |
| 973312 | M54HCU04 | RAD HARD HEX INVERTER (SINGLE STATE) | ST Microelectronics |
| 973313 | M54HCU04D | RAD HARD HEX INVERTER (SINGLE STATE) | ST Microelectronics |
| 973314 | M54HCU04D1 | RAD HARD HEX INVERTER (SINGLE STATE) | ST Microelectronics |
| 973315 | M54HCU04F1R | HEX INVERTER SINGLE STAGE | ST Microelectronics |
| 973316 | M54HCU04K | RAD HARD HEX INVERTER (SINGLE STATE) | ST Microelectronics |
| 973317 | M54HCU04K1 | RAD HARD HEX INVERTER (SINGLE STATE) | ST Microelectronics |
| 973318 | M55302 | M55302 | etc |
| 973319 | M55302L-A10H | M55302 | etc |
| 973320 | M55302L-A10L | M55302 | etc |
