SMD 74HC14 Hex Schmitt-Trigger Inverter IC
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Prices updated: 14 Oct 2026
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About this product
The 74HC14 is a CMOS hex Schmitt-trigger inverter with six inverting gates in a surface-mount package. Schmitt-trigger inputs clean up slow or noisy signal edges, which makes the chip useful for signal conditioning, switch debouncing and simple oscillator circuits.
Specifications
- Logic family
- HC (CMOS)
- Function
- Hex Schmitt-trigger inverter
- Number of gates
- 6
- Supply voltage
- 2 V to 6 V
- Mounting
- SMD
Frequently asked questions
What supply voltage can I use with the 74HC14?
The 74HC series operates from 2 V to 6 V, so it works with both 5 V and 3.3 V logic. Do not leave any input floating; tie unused inputs to VCC or GND.
Can I use it to clean up a noisy switch signal?
Yes. The Schmitt-trigger input switches cleanly at set thresholds, so a single gate can square up a slow or bouncing signal. Some circuits add a small capacitor and resistor on the input for stronger debouncing.
