74HC14PD-E

Overview

The HD74HC14PD-E is a hex inverter integrated circuit belonging to the HC/UH series of CMOS logic devices. It features six independent inverters with Schmitt-trigger inputs, designed for positive-edge triggering applications and robust noise immunity. The component is manufactured by Renesas Electronics Corporation and is housed in a 16-pin Dual In-line Package (DIP). It operates within a standard voltage range typical for HC-series logic, ensuring compatibility with various digital systems. The device is lead-free and RoHS compliant, reflecting adherence to environmental standards.

Feature Summary

• Hex configuration providing six independent inverting channels within a single package
• Schmitt-trigger input architecture for enhanced noise rejection and signal conditioning
• CMOS technology enabling low power consumption and high noise immunity
• Synchronous operation capability suitable for digital timing and control circuits

Applications

• Signal conditioning and waveform shaping in digital communication interfaces
• Oscillator circuits requiring precise threshold detection and hysteresis
• Pulse generation and timing control in microcontroller peripheral systems
• Logic level inversion in mixed-signal embedded designs

Procurement Notes

Verify the specific ordering code against official Renesas documentation to ensure correct package type and suffix designation. Confirm compliance requirements such as RoHS status and lead-free specifications prior to procurement. Cross-reference the manufacturer's current product availability status, as legacy logic families may undergo lifecycle changes. Ensure that the selected variant matches the required pinout and electrical characteristics for the target application design.

Selection Notes

Select this component when designing circuits that require multiple inverted signals with high noise tolerance. The Schmitt-trigger feature makes it suitable for noisy environments or slow-rising input signals where standard inverters might oscillate. Consider the DIP-16 package for prototyping or through-hole assembly needs. Evaluate the operating voltage range and propagation delay specifications against system timing requirements to ensure reliable performance in the intended digital logic application.

Part Context

This part belongs to the broader HC/UH series of CMOS logic devices produced by Renesas Electronics. The series is known for compatibility with standard TTL logic levels while offering improved power efficiency. Renesas continues to support this family for general-purpose digital logic applications, maintaining consistency with industry-standard pinouts and electrical characteristics established by earlier Hitachi Semiconductor designs now under the Renesas brand.

Replacement Considerations

Compatible substitutes include other hex Schmitt trigger inverters from major manufacturers such as SN74HC14 or CD74HC14. Verify pin compatibility and electrical parameters before substitution. Ensure the alternative device supports the same supply voltage range and package dimensions. Check for any differences in switching thresholds or propagation delays that might affect circuit timing.