| Integrated Circuits |
|---|
| 7421 |
|---|
| Dual 4-input AND gate |
| PDF datasheet |
| 1A | 1 • | 14 | Vcc |
| 1B | 2 | 13 | 2D |
| NC | 3 | 12 | 2C |
| 1C | 4 | 11 | NC |
| 1D | 5 | 10 | 2B |
| 1Y | 6 | 9 | 2A |
| GND | 7 | 8 | 2Y |
| Pin | Symbol | Description |
|---|---|---|
| 1 | 1A | data input |
| 2 | 1B | data input |
| 3 | NC | no connection |
| 4 | 1C | data input |
| 5 | 1D | data input |
| 6 | 1Y | data output |
| 7 | GND | ground |
| 8 | 2Y | data output |
| 9 | 2A | data input |
| 10 | 2B | data input |
| 11 | NC | no connection |
| 12 | 2C | data input |
| 13 | 2D | data input |
| 14 | Vcc | supply voltage |
| Specifications |
|---|
| (typical values under recommended operating conditions, unless specified) |
| Parameter | Value | Unit |
|---|---|---|
| Propagation delay, nA, nB, nC, nD to nY | 10 (74HC) | 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. |
| BACK |