Texas Instruments
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Quad 2-input NOR gate.
| Part number | 74HC02 |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits › Logic Gates |
| Package | DIP-14 |
| Pins | 14 |
74HC02 pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | 1Y | output | Gate 1 output |
| 2 | 1A | input | Gate 1 input A |
| 3 | 1B | input | Gate 1 input B |
| 4 | 2Y | output | Gate 2 output |
| 5 | 2A | input | Gate 2 input A |
| 6 | 2B | input | Gate 2 input B |
| 7 | GND | ground | Ground |
| 8 | 3A | input | Gate 3 input A |
| 9 | 3B | input | Gate 3 input B |
| 10 | 3Y | output | Gate 3 output |
| 11 | 4A | input | Gate 4 input A |
| 12 | 4B | input | Gate 4 input B |
| 13 | 4Y | output | Gate 4 output |
| 14 | VCC | power | Supply, 2–6V |
Schematic symbol and footprint
Schematic symbol
Footprint: DIP-14 — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.