| 1OE | 1 • | 14 | Vcc |
| 1A | 2 | 13 | 4OE |
| 1Y | 3 | 12 | 4A |
| 2OE | 4 | 11 | 4Y |
| 2A | 5 | 10 | 3OE |
| 2Y | 6 | 9 | 3A |
| GND | 7 | 8 | 3Y |
| Pin | Symbol | Description |
|---|---|---|
| 1 | 1OE | output enable (active low) |
| 2 | 1A | data input |
| 3 | 1Y | data output |
| 4 | 2OE | output enable (active low) |
| 5 | 2A | data input |
| 6 | 2Y | data output |
| 7 | GND | ground |
| 8 | 3Y | data output |
| 9 | 3A | data input |
| 10 | 3OE | output enable (active low) |
| 11 | 4Y | data output |
| 12 | 4A | data input |
| 13 | 4OE | output enable (active low) |
| 14 | Vcc | supply voltage |
| Parameter | Value | Unit |
|---|---|---|
| Propagation delay, nA to nY | 9 (74HC) 12 (74HCT) | ns |
Note: Data is maintained by an independent source and accuracy is not guaranteed. Check with the manufacturer's datasheet for up-to-date information.