74HC32 / 74LS32 Quad 2-Input OR Gate
Quad 2-input OR gate. Available in 74LS (low-power Schottky TTL) and 74HC (high-speed CMOS) families, pin-compatible. Output is HIGH when at least one input is HIGH.
Aliase:SN74HC32N, 74LS32, 74HCT32, Quad OR Gate
DIP-14 Top View
14 Pins
Pinout Table14
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | 1A | Digital | OR Gate 1 Input A |
| 2 | 1B | Digital | OR Gate 1 Input B |
| 3 | 1Y | Digital | OR Gate 1 Output (HIGH when 1A OR 1B is HIGH) |
| 4 | 2A | Digital | OR Gate 2 Input A |
| 5 | 2B | Digital | OR Gate 2 Input B |
| 6 | 2Y | Digital | OR Gate 2 Output (HIGH when 2A OR 2B is HIGH) |
| 7 | GND | Ground | System Ground (0V) |
| 8 | 3Y | Digital | OR Gate 3 Output (HIGH when 3A OR 3B is HIGH) |
| 9 | 3A | Digital | OR Gate 3 Input A |
| 10 | 3B | Digital | OR Gate 3 Input B |
| 11 | 4Y | Digital | OR Gate 4 Output (HIGH when 4A OR 4B is HIGH) |
| 12 | 4A | Digital | OR Gate 4 Input A |
| 13 | 4B | Digital | OR Gate 4 Input B |
| 14 | VCC | Power | Positive Power Supply (5V for LS, 2–6V for HC) |