This document describes the data sheet of Harris Semiconductor SCHS129C, which features unlimited input rise and fall times, exceptionally high noise immunity, wide operating temperature range, etc.
The CD54HC14, CD74HC14, CD54HCT14 and CD74HCT14 are high‑speed CMOS logic ICs that provide six inverting Schmitt trigger inputs per package. They feature unlimited input rise/fall times, high noise immunity and low power consumption compared to LSTTL families.
The datasheet details absolute maximum ratings, DC electrical specifications, switching performance, and mechanical dimensions for both ceramic DIP and plastic packages. Ordering information, pinouts, and functional diagrams are also provided for designers.
| Operating Temperature Range | -55°C to 125°C |
|---|---|
| Supply Voltage Range (HC types) | 2V to 6V |
| Supply Voltage Range (HCT types) | 4.5V to 5.5V |
| Maximum Junction Temperature (Plastic Package) | 150 °C |
Each device contains six inverting Schmitt triggers in one package.
The devices operate from –55 °C up to 125 °C.