| Компонент | Описание | Производитель | |
| 74F657SC | Octal Bidirectional Transceiver with 8-Bit Parity Generator/Checker and 3-STATE Outputs |
Fairchild Semiconductor |
|
| 74F657SCX | Octal Bidirectional Transceiver with 8-Bit Parity Generator/Checker and 3-STATE Outputs |
Fairchild Semiconductor |
|
| 74F657SPC | Octal Bidirectional Transceiver with 8-Bit Parity Generator/Checker and 3-STATE Outputs |
Fairchild Semiconductor |