| 971961 | M54HC221AM1R | DUAL MONOSTABLE MULTIVIBRATOR | ST Microelectronics |
| 971962 | M54HC221B1R | DUAL MONOSTABLE MULTIVIBRATOR | SGS Thomson Microelectronics |
| 971963 | M54HC221B1R | DUAL MONOSTABLE MULTIVIBRATOR | ST Microelectronics |
| 971964 | M54HC221C1R | DUAL MONOSTABLE MULTIVIBRATOR | SGS Thomson Microelectronics |
| 971965 | M54HC221C1R | DUAL MONOSTABLE MULTIVIBRATOR | ST Microelectronics |
| 971966 | M54HC221F1R | DUAL MONOSTABLE MULTIVIBRATOR | SGS Thomson Microelectronics |
| 971967 | M54HC221F1R | DUAL MONOSTABLE MULTIVIBRATOR | ST Microelectronics |
| 971968 | M54HC221M1R | DUAL MONOSTABLE MULTIVIBRATOR | SGS Thomson Microelectronics |
| 971969 | M54HC221M1R | DUAL MONOSTABLE MULTIVIBRATOR | ST Microelectronics |
| 971970 | M54HC237 | 3 TO 8 LINE DECODER LATCH | SGS Thomson Microelectronics |
| 971971 | M54HC237 | RAD-HARD 3 TO 8 LINE DECODER LATCH | ST Microelectronics |
| 971972 | M54HC237DG | Rad-Hard 3-to-8 Line Decoder Latch | ST Microelectronics |
| 971973 | M54HC237DT | Rad-Hard 3-to-8 Line Decoder Latch | ST Microelectronics |
| 971974 | M54HC237F1R | 3 TO 8 LINE DECODER LATCH | SGS Thomson Microelectronics |
| 971975 | M54HC237F1R | 3 TO 8 LINE DECODER LATCH | ST Microelectronics |
| 971976 | M54HC237K | RAD-HARD 3 TO 8 LINE DECODER LATCH | ST Microelectronics |
| 971977 | M54HC237KG | Rad-Hard 3-to-8 Line Decoder Latch | ST Microelectronics |
| 971978 | M54HC237KT | Rad-Hard 3-to-8 Line Decoder Latch | ST Microelectronics |
| 971979 | M54HC238 | 3 TO 8 LINE DECODER | SGS Thomson Microelectronics |
|
| 971980 | M54HC238 | RAD-HARD 3 TO 8 LINE DECODER | ST Microelectronics |
| 971981 | M54HC238D | RAD-HARD 3 TO 8 LINE DECODER | ST Microelectronics |
| 971982 | M54HC238F1R | 3 TO 8 LINE DECODER | SGS Thomson Microelectronics |
| 971983 | M54HC238F1R | 3 TO 8 LINE DECODER | ST Microelectronics |
| 971984 | M54HC238K | RAD-HARD 3 TO 8 LINE DECODER | ST Microelectronics |
| 971985 | M54HC240 | HC240: INVERTED - HC241/244 NON INVERTED OCTAL BUS BUFFER WITH 3 STATE OUTPUTS | SGS Thomson Microelectronics |
| 971986 | M54HC240 | RAD-HARD OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (INVERTED) | ST Microelectronics |
| 971987 | M54HC240B1R | HC240: INVERTED - HC241/244 NON INVERTED OCTAL BUS BUFFER WITH 3 STATE OUTPUTS | SGS Thomson Microelectronics |
| 971988 | M54HC240B1R | HC240: INVERTED - HC241/244 NON INVERTED OCTAL BUS BUFFER WITH 3 STATE OUTPUTS | ST Microelectronics |
| 971989 | M54HC240C1R | HC240: INVERTED - HC241/244 NON INVERTED OCTAL BUS BUFFER WITH 3 STATE OUTPUTS | SGS Thomson Microelectronics |
| 971990 | M54HC240C1R | HC240: INVERTED - HC241/244 NON INVERTED OCTAL BUS BUFFER WITH 3 STATE OUTPUTS | ST Microelectronics |
| 971991 | M54HC240D | RAD-HARD OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (INVERTED) | ST Microelectronics |
| 971992 | M54HC240DG | Rad-Hard Octal Bus Buffer 3-State Inverter | ST Microelectronics |
| 971993 | M54HC240DT | Rad-Hard Octal Bus Buffer 3-State Inverter | ST Microelectronics |
| 971994 | M54HC240F1R | HC240: INVERTED - HC241/244 NON INVERTED OCTAL BUS BUFFER WITH 3 STATE OUTPUTS | SGS Thomson Microelectronics |
| 971995 | M54HC240F1R | HC240: INVERTED - HC241/244 NON INVERTED OCTAL BUS BUFFER WITH 3 STATE OUTPUTS | ST Microelectronics |
| 971996 | M54HC240HV | HC240HV: INVERTED - HC241HV NON INVERTED OCTAL BUS BUFFER WITH 3 STATE OUTPUTS | SGS Thomson Microelectronics |
| 971997 | M54HC240HV | OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HC240HV: INVERTED - HC241HV NON INVERTED | ST Microelectronics |
| 971998 | M54HC240HVB1R | OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HC240HV: INVERTED - HC241HV NON INVERTED | SGS Thomson Microelectronics |
| 971999 | M54HC240HVB1R | OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HC240HV: INVERTED - HC241HV NON INVERTED | ST Microelectronics |
| 972000 | M54HC240HVC1R | OCTAL BUS BUFFER WITH 3 STATE OUTPUTS HC240HV: INVERTED - HC241HV NON INVERTED | SGS Thomson Microelectronics |
