SN74HC14 Hex Schmitt-Trigger Inverter IC
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Prices updated: 12 Oct 2026
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About this product
The SN74HC14 is a 74HC-series CMOS integrated circuit containing six inverters, each with a Schmitt-trigger input. Schmitt-trigger inputs convert slow or noisy input signals into clean, sharp-edged outputs, which makes the device useful for signal conditioning, switch debouncing and simple oscillators.
Specifications
- Logic family
- 74HC (CMOS)
- Number of inverters
- 6 (hex)
- Input type
- Schmitt-trigger
- Supply voltage
- 2 V to 6 V
Frequently asked questions
Can I use the SN74HC14 with 5 V logic?
Yes. The HC family operates from 2 V to 6 V, so it works with 5 V logic. Confirm input thresholds in the TI datasheet for your specific package variant.
What is the Schmitt-trigger input useful for?
It adds hysteresis, so the output switches cleanly even when the input is slow or noisy. This helps with button debouncing, squaring up sensor signals and building simple RC oscillators.
