| Manufacturer | Part Number | Description |
|---|---|---|
Renesas |
HD74HC442 | Quad. Tridirectional Bus Transceiver |
Hitachi Semiconductor |
HD74HC442 | Quad. Tridirectional Bus Transceiver |
|
Hitachi Semiconductor |
HD74HC444 | (HD74HC442 - HD74HC444) Quad. Tridirectional Bus Transceiver(with noninverted/inverted 3-state outputs) |