The UPD74HC14C is a high-speed CMOS Schmitt trigger hex inverter manufactured by NEC. This device features six independent inverters, each with Schmitt trigger inputs. The Schmitt trigger action provides different input threshold voltages for rising and falling signals, which improves noise immunity and allows the device to be used in applications where slowly changing or noisy input signals are present.

Applications:

• Wave Shaping
• Noise Filtering
• Pulse Shaping
• Relaxation Oscillators
• Interface with Sensors

Features:

• Schmitt Trigger Inputs: Provide hysteresis for improved noise immunity.
• High-Speed Operation: Offers low propagation delay for fast signal processing.
• Low Power Consumption: Minimizes energy usage, making it ideal for battery-powered devices.
• Wide Operating Voltage: Functions effectively across a voltage range of 2V to 6V.
• CMOS Technology: Reduces static power dissipation.
• DIP Package: Standard DIP (Dual In-line Package) for easy breadboarding and prototyping.

Benefits:

• Improved Noise Immunity: Schmitt trigger inputs filter out noise and prevent false triggering.
• Enhanced Signal Integrity: Sharpens slow-rising or noisy signals into clean digital signals.
• Simplified Oscillator Design: The hysteresis characteristic makes it easy to create stable relaxation oscillators.
• Energy Efficiency: Low power consumption extends battery life in portable applications.
• Easy Prototyping: DIP package facilitates easy experimentation and circuit development.

Technical Specifications:

The UPD74HC14C operates within a supply voltage range of 2V to 6V. It typically exhibits a propagation delay of approximately 12 ns at 5V. Its operating temperature range usually spans from -40°C to +85°C. The input logic levels are CMOS compatible for seamless interfacing with other CMOS components. The device comes in a DIP package. The Schmitt trigger threshold voltages are typically around 0.3Vcc and 0.7Vcc.

The UPD74HC14C is a versatile hex inverter suitable for applications requiring noise filtering and signal conditioning, offering a robust solution for a wide range of digital logic tasks.