CD74HC125EG4

Overview

The CD74HC125EG4 is a high-speed CMOS logic quad buffer with 3-state outputs manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 6 V and features four non-inverting input lines driving four output lines. The device utilizes a 14-pin PDIP package and supports surface mount installation styles. It exhibits low static current consumption and provides defined drive capabilities for both high and low output states. The component is qualified for automotive applications under the AEC-Q100 standard, ensuring reliability in demanding environments.

Feature Summary

• Provides four independent non-inverting buffer channels with 3-state output control
• Operates across a wide supply voltage range from 2 V to 6 V
• Features low power consumption with minimal static current draw
• Automotive qualified under AEC-Q100 standards for enhanced reliability

Applications

• Automotive electronic systems requiring robust signal buffering
• High-speed data bus interface circuits
• General-purpose digital logic buffering applications
• Consumer electronics utilizing CMOS logic families

Procurement Notes

Verify the specific suffix 'E' indicates the PDIP-14 package configuration when sourcing. Confirm AEC-Q100 qualification status if automotive compliance is required. Ensure the manufacturer is Texas Instruments to guarantee specification adherence. Check RoHS compliance documentation for environmental regulations. Validate pinout compatibility with existing PCB layouts before integration.

Selection Notes

Select this component for designs requiring quad buffering with tri-state capability in a through-hole package. Consider the 2 V to 6 V operating range for flexibility in various logic levels. Evaluate the propagation delay specifications against system timing requirements. Compare drive strength parameters with load capacitance needs. Verify temperature range suitability for the intended operational environment.

Part Context

This part belongs to the SN74HC125 family of high-speed CMOS logic devices. It serves as a quad buffer with 3-state outputs, commonly used in digital communication interfaces. The HC series offers speed comparable to LS TTL but with lower power consumption. The EG4 suffix denotes the specific packaging and lead-free manufacturing process.

Replacement Considerations

Compatible substitutes include the SN74HC125N and CD74HC125EE4. Verify package dimensions and pinout compatibility before substitution. Ensure electrical characteristics match the original design requirements.