| 1Y | 1 • | 14 | Vcc | 
| 1A | 2 | 13 | 4Y | 
| 1B | 3 | 12 | 4B | 
| 2Y | 4 | 11 | 4A | 
| 2A | 5 | 10 | 3Y | 
| 2B | 6 | 9 | 3B | 
| GND | 7 | 8 | 3A | 
| Pin | Symbol | Description | 
|---|---|---|
| 1 | 1Y | data output | 
| 2 | 1A | data input | 
| 3 | 1B | data input | 
| 4 | 2Y | data output | 
| 5 | 2A | data input | 
| 6 | 2B | data input | 
| 7 | GND | ground | 
| 8 | 3A | data input | 
| 9 | 3B | data input | 
| 10 | 3Y | data output | 
| 11 | 4A | data input | 
| 12 | 4B | data input | 
| 13 | 4Y | data output | 
| 14 | Vcc | supply voltage | 
| Parameter | Value | Unit | 
|---|---|---|
| Propagation delay, nA, nB to nY | 7 (74HC) 9 (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.