| A0 | 1 • | 16 | Vcc |
| A1 | 2 | 15 | Y0 |
| A2 | 3 | 14 | Y1 |
| E1 | 4 | 13 | Y2 |
| E2 | 5 | 12 | Y3 |
| E3 | 6 | 11 | Y4 |
| Y7 | 7 | 10 | Y5 |
| GND | 8 | 9 | Y6 |
| Pin | Symbol | Description |
|---|---|---|
| 1 | A0 | data input 0 |
| 2 | A1 | data input 1 |
| 3 | A2 | data input 2 |
| 4 | E1 | enable input 1 (active low) |
| 5 | E2 | enable input 2 (active low) |
| 6 | E3 | enable input 3 (active high) |
| 7 | Y7 | output 7 |
| 8 | GND | ground |
| 9 | Y6 | output 6 |
| 10 | Y5 | output 5 |
| 11 | Y4 | output 4 |
| 12 | Y3 | output 3 |
| 13 | Y2 | output 2 |
| 14 | Y1 | output 1 |
| 15 | Y0 | output 0 |
| 16 | Vcc | supply voltage |
| Parameter | Value | Unit |
|---|---|---|
| Propagation delay, An to Yn | 14 (74HC) 18 (74HCT) | ns |
| Propagation delay, E3 to Yn | 16 (74HC) 20 (74HCT) | ns |
| Propagation delay, En to Yn | 17 (74HC) 21 (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.