54F2643 is Octal Bus Transceiver manufactured by National Semiconductor.
| Part Number | Description |
|---|---|
| 54F2640 | Octal Bus Transceiver |
| 54F2645 | Octal Bus Transceiver |
| 54F2620 | Inverting Octal Bus Transceiver |
| 54F2623 | Inverting Octal Bus Transceiver |
| 54F20 | Dual 4-Input NAND Gate |