| 980121 | M74HC280M1R | 9 BIT PARITY GENERATOR | SGS Thomson Microelectronics |
| 980122 | M74HC280M1R | 9 BIT PARITY GENERATOR | ST Microelectronics |
| 980123 | M74HC280RM13TR | 9 BIT PARITY GENERATOR | SGS Thomson Microelectronics |
| 980124 | M74HC280RM13TR | 9 BIT PARITY GENERATOR | ST Microelectronics |
| 980125 | M74HC280TTR | 9 BIT PARITY GENERATOR | SGS Thomson Microelectronics |
| 980126 | M74HC280TTR | 9 BIT PARITY GENERATOR | ST Microelectronics |
| 980127 | M74HC280YRM13TR | 9 Bit Parity Generator | ST Microelectronics |
| 980128 | M74HC283 | 4 BIT BINARY FULL ADDER | SGS Thomson Microelectronics |
| 980129 | M74HC283 | 4 BIT BINARY FULL ADDER | ST Microelectronics |
| 980130 | M74HC283B1R | 4 BIT BINARY FULL ADDER | SGS Thomson Microelectronics |
| 980131 | M74HC283B1R | 4 BIT BINARY FULL ADDER | ST Microelectronics |
| 980132 | M74HC283C1R | 4 BIT BINARY FULL ADDER | ST Microelectronics |
| 980133 | M74HC283M1R | 4 BIT BINARY FULL ADDER | SGS Thomson Microelectronics |
| 980134 | M74HC283M1R | 4 BIT BINARY FULL ADDER | ST Microelectronics |
| 980135 | M74HC283RM13TR | 4 BIT BINARY FULL ADDER | SGS Thomson Microelectronics |
| 980136 | M74HC283RM13TR | 4 BIT BINARY FULL ADDER | ST Microelectronics |
| 980137 | M74HC283TTR | 4 BIT BINARY FULL ADDER | SGS Thomson Microelectronics |
| 980138 | M74HC283TTR | 4 BIT BINARY FULL ADDER | ST Microelectronics |
| 980139 | M74HC292 | PROGRAMMABLE DIVIDER/TIMER | SGS Thomson Microelectronics |
|
| 980140 | M74HC292 | PROGRAMMABLE DIVIDER/TIMER | ST Microelectronics |
| 980141 | M74HC292B1R | PROGRAMMABLE DIVIDER/TIMER | SGS Thomson Microelectronics |
| 980142 | M74HC292B1R | PROGRAMMABLE DIVIDER/TIMER | ST Microelectronics |
| 980143 | M74HC292C1R | PROGRAMMABLE DIVIDER/TIMER | ST Microelectronics |
| 980144 | M74HC292F1R | PROGRAMMABLE DIVIDER/TIMER | ST Microelectronics |
| 980145 | M74HC292M1R | PROGRAMMABLE DIVIDER/TIMER | SGS Thomson Microelectronics |
| 980146 | M74HC292M1R | PROGRAMMABLE DIVIDER/TIMER | ST Microelectronics |
| 980147 | M74HC292RM13TR | PROGRAMMABLE DIVIDER/TIMER | SGS Thomson Microelectronics |
| 980148 | M74HC292RM13TR | PROGRAMMABLE DIVIDER/TIMER | ST Microelectronics |
| 980149 | M74HC292TTR | PROGRAMMABLE DIVIDER/TIMER | SGS Thomson Microelectronics |
| 980150 | M74HC292TTR | PROGRAMMABLE DIVIDER/TIMER | ST Microelectronics |
| 980151 | M74HC294 | PROGRAMMABLE DIVIDER/TIMER | SGS Thomson Microelectronics |
| 980152 | M74HC294 | PROGRAMMABLE DIVIDER/TIMER | ST Microelectronics |
| 980153 | M74HC294B1R | PROGRAMMABLE DIVIDER/TIMER | SGS Thomson Microelectronics |
| 980154 | M74HC294B1R | PROGRAMMABLE DIVIDER/TIMER | ST Microelectronics |
| 980155 | M74HC294C1R | PROGRAMMABLE DIVIDER/TIMER | ST Microelectronics |
| 980156 | M74HC294F1R | PROGRAMMABLE DIVIDER/TIMER | ST Microelectronics |
| 980157 | M74HC294M1R | PROGRAMMABLE DIVIDER/TIMER | SGS Thomson Microelectronics |
| 980158 | M74HC294M1R | PROGRAMMABLE DIVIDER/TIMER | ST Microelectronics |
| 980159 | M74HC294RM13TR | PROGRAMMABLE DIVIDER/TIMER | SGS Thomson Microelectronics |
| 980160 | M74HC294RM13TR | PROGRAMMABLE DIVIDER/TIMER | ST Microelectronics |
