| 151201 | 74ACT257SJ | Quad 2-Input Multiplexer with 3-STATE Outputs | Fairchild Semiconductor |
| 151202 | 74ACT257SJX | Quad 2-Input Multiplexer with 3-STATE Outputs | Fairchild Semiconductor |
| 151203 | 74ACT257TTR | QUAD 2 CHANNEL MULTIPLEXER (3-STATE) | SGS Thomson Microelectronics |
| 151204 | 74ACT257TTR | QUAD 2 CHANNEL MULTIPLEXER (3-STATE) | ST Microelectronics |
| 151205 | 74ACT258 | Quad 2-Input Multiplexer with 3-STATE Outputs | Fairchild Semiconductor |
| 151206 | 74ACT258CW | Quad 2-Input Multiplexer with 3-STATE Outputs | Fairchild Semiconductor |
| 151207 | 74ACT258MTC | Quad 2-Input Multiplexer with 3-STATE Outputs | Fairchild Semiconductor |
| 151208 | 74ACT258MTCX | Quad 2-Input Multiplexer with 3-STATE Outputs | Fairchild Semiconductor |
| 151209 | 74ACT258PC | Quad 2-Input Multiplexer with 3-STATE Outputs | Fairchild Semiconductor |
| 151210 | 74ACT258SC | Quad 2-Input Multiplexer with 3-STATE Outputs | Fairchild Semiconductor |
| 151211 | 74ACT258SCX | Quad 2-Input Multiplexer with 3-STATE Outputs | Fairchild Semiconductor |
| 151212 | 74ACT258SJ | Quad 2-Input Multiplexer with 3-STATE Outputs | Fairchild Semiconductor |
| 151213 | 74ACT258SJX | Quad 2-Input Multiplexer with 3-STATE Outputs | Fairchild Semiconductor |
| 151214 | 74ACT2708 | 64 x 9 First-In, First-Out Memory | Fairchild Semiconductor |
| 151215 | 74ACT2708CW | 64 x 9 First-In First-Out Memory | Fairchild Semiconductor |
| 151216 | 74ACT2708PC | 64 x 9 First-In/ First-Out Memory | Fairchild Semiconductor |
| 151217 | 74ACT273 | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 151218 | 74ACT273 | OCTAL D-TYPE FLIP FLOP WITH CLEAR | SGS Thomson Microelectronics |
| 151219 | 74ACT273 | OCTAL D-TYPE FLIP FLOP WITH CLEAR | ST Microelectronics |
|
| 151220 | 74ACT273B | OCTAL D-TYPE FLIP FLOP WITH CLEAR | SGS Thomson Microelectronics |
| 151221 | 74ACT273B | OCTAL D-TYPE FLIP FLOP WITH CLEAR | ST Microelectronics |
| 151222 | 74ACT273M | OCTAL D-TYPE FLIP FLOP WITH CLEAR | SGS Thomson Microelectronics |
| 151223 | 74ACT273M | OCTAL D-TYPE FLIP FLOP WITH CLEAR | ST Microelectronics |
| 151224 | 74ACT273MTC | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 151225 | 74ACT273MTCX | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 151226 | 74ACT273MTR | OCTAL D-TYPE FLIP FLOP WITH CLEAR | SGS Thomson Microelectronics |
| 151227 | 74ACT273MTR | OCTAL D-TYPE FLIP FLOP WITH CLEAR | ST Microelectronics |
| 151228 | 74ACT273PC | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 151229 | 74ACT273SC | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 151230 | 74ACT273SCX | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 151231 | 74ACT273SJ | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 151232 | 74ACT273SJX | Octal D-Type Flip-Flop | Fairchild Semiconductor |
| 151233 | 74ACT273T | OCTAL D-TYPE FLIP FLOP WITH CLEAR | ST Microelectronics |
| 151234 | 74ACT273TTR | OCTAL D-TYPE FLIP FLOP WITH CLEAR | SGS Thomson Microelectronics |
| 151235 | 74ACT273TTR | OCTAL D-TYPE FLIP FLOP WITH CLEAR | ST Microelectronics |
| 151236 | 74ACT280 | 9 BIT PARITY GENERATOR/CHECKER | SGS Thomson Microelectronics |
| 151237 | 74ACT280 | 9 BIT PARITY GENERATOR/CHECKER | ST Microelectronics |
| 151238 | 74ACT280B | 9 BIT PARITY GENERATOR/CHECKER | SGS Thomson Microelectronics |
| 151239 | 74ACT280B | 9 BIT PARITY GENERATOR/CHECKER | ST Microelectronics |
| 151240 | 74ACT280M | 9 BIT PARITY GENERATOR/CHECKER | SGS Thomson Microelectronics |
