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