| 153961 | 74AC273 | OCTAL D-TYPE FLIP FLOP WITH CLEAR | ST Microelectronics |
| 153962 | 74AC273B | OCTAL D-TYPE FLIP FLOP WITH CLEAR | SGS Thomson Microelectronics |
| 153963 | 74AC273B | OCTAL D-TYPE FLIP FLOP WITH CLEAR | ST Microelectronics |
| 153964 | 74AC273CW | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 153965 | 74AC273M | OCTAL D-TYPE FLIP FLOP WITH CLEAR | SGS Thomson Microelectronics |
| 153966 | 74AC273M | OCTAL D-TYPE FLIP FLOP WITH CLEAR | ST Microelectronics |
| 153967 | 74AC273MTC | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 153968 | 74AC273MTCX | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 153969 | 74AC273MTR | OCTAL D-TYPE FLIP FLOP WITH CLEAR | SGS Thomson Microelectronics |
| 153970 | 74AC273MTR | OCTAL D-TYPE FLIP FLOP WITH CLEAR | ST Microelectronics |
| 153971 | 74AC273PC | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 153972 | 74AC273SC | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 153973 | 74AC273SCX | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 153974 | 74AC273SJ | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 153975 | 74AC273SJX | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 153976 | 74AC273TTR | OCTAL D-TYPE FLIP FLOP WITH CLEAR | SGS Thomson Microelectronics |
| 153977 | 74AC273TTR | OCTAL D-TYPE FLIP FLOP WITH CLEAR | ST Microelectronics |
| 153978 | 74AC280 | 9-Bit Parity Generator/Checker | Fairchild Semiconductor |
| 153979 | 74AC280 | 9 BIT PARITY GENERATOR | SGS Thomson Microelectronics |
|
| 153980 | 74AC280 | 9 BIT PARITY GENERATOR | ST Microelectronics |
| 153981 | 74AC280B | 9 BIT PARIT GENERATOR | SGS Thomson Microelectronics |
| 153982 | 74AC280B | 9 BIT PARIT GENERATOR | ST Microelectronics |
| 153983 | 74AC280M | 9 BIT PARIT GENERATOR | SGS Thomson Microelectronics |
| 153984 | 74AC280M | 9 BIT PARIT GENERATOR | ST Microelectronics |
| 153985 | 74AC280MTR | 9 BIT PARIT GENERATOR | SGS Thomson Microelectronics |
| 153986 | 74AC280MTR | 9 BIT PARIT GENERATOR | ST Microelectronics |
| 153987 | 74AC280SC | 9-Bit Parity Generator/Checker | Fairchild Semiconductor |
| 153988 | 74AC280SCX | 9-Bit Parity Generator/Checker | Fairchild Semiconductor |
| 153989 | 74AC280SJ | 9-Bit Parity Generator/Checker | Fairchild Semiconductor |
| 153990 | 74AC280SJX | 9-Bit Parity Generator/Checker | Fairchild Semiconductor |
| 153991 | 74AC280TTR | 9 BIT PARIT GENERATOR | SGS Thomson Microelectronics |
| 153992 | 74AC280TTR | 9 BIT PARIT GENERATOR | ST Microelectronics |
| 153993 | 74AC299 | 8-Input Universal Shift/Storage Register with Common Parallel I/O Pins | Fairchild Semiconductor |
| 153994 | 74AC299 | 8-Input Universal Shift/Storage Register with Common I/O Pins | National Semiconductor |
| 153995 | 74AC299 | 8 BIT PIPO SHIFT REGISTER WITH ASYNCHRONOUS CLEAR | SGS Thomson Microelectronics |
| 153996 | 74AC299 | 8 BIT PIPO SHIFT REGISTER WITH ASYNCHRONOUS CLEAR | ST Microelectronics |
| 153997 | 74AC299B | 8 BIT PIPO SHIFT REGISTER WITH ASYNCHRONOUS CLEAR | SGS Thomson Microelectronics |
| 153998 | 74AC299B | 8 BIT PIPO SHIFT REGISTER WITH ASYNCHRONOUS CLEAR | ST Microelectronics |
| 153999 | 74AC299CW | 8-Input Universal Shift/Storage Register with Common I/O Pins | Fairchild Semiconductor |
| 154000 | 74AC299M | 8 BIT PIPO SHIFT REGISTER WITH ASYNCHRONOUS CLEAR | SGS Thomson Microelectronics |
