74HC02 Quad 2-Input NOR Gate IC - DIP-14 Package is a high-speed CMOS logic IC containing four independent 2-input NOR gates in a single 14-pin package. It operates from a 2 V to 6 V supply and provides low-power CMOS operation with push-pull outputs. The IC is suitable for digital logic circuits, control systems, signal processing, switching applications, and breadboard prototyping.
| Parameter | Value |
|---|---|
| Product Type | Quad 2-Input NOR Gate Logic IC |
| Model | 74HC02 |
| Logic Function | NOR |
| Number of Gates | 4 |
| Inputs per Gate | 2 |
| Logic Family | 74HC |
| Supply Voltage | 2 V to 6 V |
| Output Type | Push-Pull |
| Maximum Low-Level Output Current | 5.2 mA |
| Maximum High-Level Output Current | -5.2 mA |
| Propagation Delay | 10 ns to 50 ns |
| Maximum Data Rate | 28 Mbps |
| Operating Temperature | -40°C to +125°C |
| Package | DIP-14 / PDIP-14 |
| Mounting Type | Through Hole |

| Pin No. | Pin Name | Description |
|---|---|---|
| 1 | 1Y | Gate 1 NOR Output |
| 2 | 1A | Gate 1 Input A |
| 3 | 1B | Gate 1 Input B |
| 4 | 2Y | Gate 2 NOR Output |
| 5 | 2A | Gate 2 Input A |
| 6 | 2B | Gate 2 Input B |
| 7 | GND | Ground |
| 8 | 3A | Gate 3 Input A |
| 9 | 3B | Gate 3 Input B |
| 10 | 3Y | Gate 3 NOR Output |
| 11 | 4A | Gate 4 Input A |
| 12 | 4B | Gate 4 Input B |
| 13 | 4Y | Gate 4 NOR Output |
| 14 | VCC | Positive Supply Voltage |
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1 × 74HC02 Quad 2-Input NOR Gate IC - DIP-14 Package
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