| 155321 | 74ACT174SJX | Hex D Flip-Flop with Master Reset | Fairchild Semiconductor |
| 155322 | 74ACT174TTR | HEX D-TYPE FLIP FLOP WITH CLEAR | SGS Thomson Microelectronics |
| 155323 | 74ACT174TTR | HEX D-TYPE FLIP FLOP WITH CLEAR | ST Microelectronics |
| 155324 | 74ACT175 | Quad D-Type Flip-Flop | Fairchild Semiconductor |
| 155325 | 74ACT175 | Quad D Flip-Flop | National Semiconductor |
| 155326 | 74ACT175 | QUAD D FLIP-FLOP WITH MASTER RESET | ON Semiconductor |
| 155327 | 74ACT175 | Quad D Flip-Flop with Reset | Texas Instruments |
| 155328 | 74ACT175CW | Quad D-Type Flip-Flop | Fairchild Semiconductor |
| 155329 | 74ACT175MTC | Quad D-Type Flip-Flop | Fairchild Semiconductor |
| 155330 | 74ACT175MTCX | Quad D-Type Flip-Flop | Fairchild Semiconductor |
| 155331 | 74ACT175PC | Quad D-Type Flip-Flop | Fairchild Semiconductor |
| 155332 | 74ACT175SC | Quad D-Type Flip-Flop | Fairchild Semiconductor |
| 155333 | 74ACT175SCX | Quad D-Type Flip-Flop | Fairchild Semiconductor |
| 155334 | 74ACT175SJ | Quad D-Type Flip-Flop | Fairchild Semiconductor |
| 155335 | 74ACT175SJX | Quad D-Type Flip-Flop | Fairchild Semiconductor |
| 155336 | 74ACT18823 | 18-Bit D-Type Flip-Flop with 3-STATE Outputs | Fairchild Semiconductor |
| 155337 | 74ACT18823MTD | 18-Bit D-Type Flip-Flop with 3-STATE Outputs | Fairchild Semiconductor |
| 155338 | 74ACT18823MTDX | 18-Bit D-Type Flip-Flop with 3-STATE Outputs | Fairchild Semiconductor |
| 155339 | 74ACT18823SSC | 18-Bit D-Type Flip-Flop with 3-STATE Outputs | Fairchild Semiconductor |
|
| 155340 | 74ACT18823SSCX | 18-Bit D-Type Flip-Flop with 3-STATE Outputs | Fairchild Semiconductor |
| 155341 | 74ACT18825 | 18-Bit Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 155342 | 74ACT18825MTD | 18-Bit Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 155343 | 74ACT18825MTDX | 18-Bit Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 155344 | 74ACT18825SSC | 18-Bit Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 155345 | 74ACT18825SSCX | 18-Bit Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 155346 | 74ACT193 | Presettable Synchronous 4 Bit Binary Up/Down Counter with Reset | Harris Semiconductor |
| 155347 | 74ACT193 | Presettable Synchronous 4 Bit Binary Up/Down Counter with Reset | RCA Solid State |
| 155348 | 74ACT20 | DUAL 4-INPUT NAND GATE | SGS Thomson Microelectronics |
| 155349 | 74ACT20 | DUAL 4-INPUT NAND GATE | ST Microelectronics |
| 155350 | 74ACT20B | DUAL 4-INPUT NAND GATE | SGS Thomson Microelectronics |
| 155351 | 74ACT20B | DUAL 4-INPUT NAND GATE | ST Microelectronics |
| 155352 | 74ACT20M | DUAL 4-INPUT NAND GATE | SGS Thomson Microelectronics |
| 155353 | 74ACT20M | DUAL 4-INPUT NAND GATE | ST Microelectronics |
| 155354 | 74ACT20MTR | DUAL 4-INPUT NAND GATE | SGS Thomson Microelectronics |
| 155355 | 74ACT20MTR | DUAL 4-INPUT NAND GATE | ST Microelectronics |
| 155356 | 74ACT20TTR | DUAL 4-INPUT NAND GATE | SGS Thomson Microelectronics |
| 155357 | 74ACT20TTR | DUAL 4-INPUT NAND GATE | ST Microelectronics |
| 155358 | 74ACT240 | Octal Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
| 155359 | 74ACT240 | Octal Buffer/Line Driver with TRI-STATE Outputs | National Semiconductor |
| 155360 | 74ACT240 | OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (INVERTED) | SGS Thomson Microelectronics |
