| 172521 | 74LVQ374QSC | Low Voltage Octal D Flip-Flop with 3-STATE Outputs | Fairchild Semiconductor |
| 172522 | 74LVQ374QSCX | Low Voltage Octal D Flip-Flop with 3-STATE Outputs | Fairchild Semiconductor |
| 172523 | 74LVQ374SC | Low Voltage Octal D Flip-Flop with 3-STATE Outputs | Fairchild Semiconductor |
| 172524 | 74LVQ374SCX | Low Voltage Octal D Flip-Flop with 3-STATE Outputs | Fairchild Semiconductor |
| 172525 | 74LVQ374SJ | Low Voltage Octal D Flip-Flop with 3-STATE Outputs | Fairchild Semiconductor |
| 172526 | 74LVQ374SJX | Low Voltage Octal D Flip-Flop with 3-STATE Outputs | Fairchild Semiconductor |
| 172527 | 74LVQ374TTR | OCTAL D-TYPE FLIP FLOP WITH 3-STATE OUTPUT NON INVERTING | SGS Thomson Microelectronics |
| 172528 | 74LVQ374TTR | OCTAL D-TYPE FLIP FLOP WITH 3-STATE OUTPUT NON INVERTING | ST Microelectronics |
| 172529 | 74LVQ4066 | QUAD BILATERAL SWITCH | SGS Thomson Microelectronics |
| 172530 | 74LVQ4066 | QUAD BILATERAL SWITCH | ST Microelectronics |
| 172531 | 74LVQ4066M | QUAD BILATERAL SWITCH | SGS Thomson Microelectronics |
| 172532 | 74LVQ4066M | QUAD BILATERAL SWITCH | ST Microelectronics |
| 172533 | 74LVQ4066MTR | QUAD BILATERAL SWITCH | SGS Thomson Microelectronics |
| 172534 | 74LVQ4066MTR | QUAD BILATERAL SWITCH | ST Microelectronics |
| 172535 | 74LVQ4066T | QUAD BILATERAL SWITCH | ST Microelectronics |
| 172536 | 74LVQ4066TTR | QUAD BILATERAL SWITCH | SGS Thomson Microelectronics |
| 172537 | 74LVQ4066TTR | QUAD BILATERAL SWITCH | ST Microelectronics |
| 172538 | 74LVQ541 | OCTAL BUS BUFFER WITH 3-STATE OUTPUTS (NON INVERTED) | ST Microelectronics |
| 172539 | 74LVQ541M | OCTAL BUS BUFFER WITH 3-STATE OUTPUTS (NON INVERTED) | SGS Thomson Microelectronics |
|
| 172540 | 74LVQ541M | OCTAL BUS BUFFER WITH 3-STATE OUTPUTS (NON INVERTED) | ST Microelectronics |
| 172541 | 74LVQ541MTR | OCTAL BUS BUFFER WITH 3-STATE OUTPUTS (NON INVERTED) | SGS Thomson Microelectronics |
| 172542 | 74LVQ541MTR | OCTAL BUS BUFFER WITH 3-STATE OUTPUTS (NON INVERTED) | ST Microelectronics |
| 172543 | 74LVQ541TTR | OCTAL BUS BUFFER WITH 3-STATE OUTPUTS (NON INVERTED) | SGS Thomson Microelectronics |
| 172544 | 74LVQ541TTR | OCTAL BUS BUFFER WITH 3-STATE OUTPUTS (NON INVERTED) | ST Microelectronics |
| 172545 | 74LVQ573 | Low Voltage Octal Latch with 3-STATE Outputs | Fairchild Semiconductor |
| 172546 | 74LVQ573 | Low Voltage Octal Latch with TRI-STATE Outputs | National Semiconductor |
| 172547 | 74LVQ573 | OCTAL D-TYPE LATCH WITH 3 STATE OUTPUTS NON INVERTING | SGS Thomson Microelectronics |
| 172548 | 74LVQ573 | OCTAL D-TYPE LATCH WITH 3-STATE OUTPUT NON INVERTING | ST Microelectronics |
| 172549 | 74LVQ573M | OCTAL D-TYPE LATCH WITH 3-STATE OUTPUT NON INVERTING | SGS Thomson Microelectronics |
| 172550 | 74LVQ573M | OCTAL D-TYPE LATCH WITH 3-STATE OUTPUT NON INVERTING | ST Microelectronics |
| 172551 | 74LVQ573MSA | Low Voltage Octal Latch with 3-STATE Outputs [Advanced] | Fairchild Semiconductor |
| 172552 | 74LVQ573MSAX | Low Voltage Octal Latch with 3-STATE Outputs [Advanced] | Fairchild Semiconductor |
| 172553 | 74LVQ573MTR | OCTAL D-TYPE LATCH WITH 3-STATE OUTPUT NON INVERTING | SGS Thomson Microelectronics |
| 172554 | 74LVQ573MTR | OCTAL D-TYPE LATCH WITH 3-STATE OUTPUT NON INVERTING | ST Microelectronics |
| 172555 | 74LVQ573QSC | Low Voltage Octal Latch with 3-STATE Outputs | Fairchild Semiconductor |
| 172556 | 74LVQ573QSCX | Low Voltage Octal Latch with 3-STATE Outputs | Fairchild Semiconductor |
| 172557 | 74LVQ573SC | Low Voltage Octal Latch with 3-STATE Outputs | Fairchild Semiconductor |
| 172558 | 74LVQ573SCX | Low Voltage Octal Latch with 3-STATE Outputs | Fairchild Semiconductor |
| 172559 | 74LVQ573SJ | Low Voltage Octal Latch with 3-STATE Outputs | Fairchild Semiconductor |
| 172560 | 74LVQ573SJX | Low Voltage Octal Latch with 3-STATE Outputs | Fairchild Semiconductor |
