SMD 74HC32 Quad 2-Input OR Gate IC
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Prices updated: 12 Oct 2026
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About this product
The 74HC32 is a CMOS quad 2-input OR gate, containing four independent OR gates in one surface-mount chip. It is used in basic digital logic, combining signals, enable logic and simple decision circuits in student and hobby projects.
Specifications
- Logic function
- Quad 2-input OR
- Number of gates
- 4
- Logic family
- HC (CMOS)
- Supply voltage
- 2 V to 6 V
- Mounting
- SMD
Frequently asked questions
What should I do with an unused input on the 74HC32?
Do not leave it floating. Tie it to VCC or GND, depending on the logic you need. A floating CMOS input can cause erratic output and extra current draw.
Which supply voltage does the 74HC32 accept?
The 74HC series accepts 2 V to 6 V, so it can be used with 5 V logic and with 3.3 V logic. Keep the supply within this range and decouple it with a small capacitor near the chip.
