SN74HC125NG4

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HC125NG4 is a quad bus buffer gate with three-state outputs manufactured by Texas Instruments. It belongs to the HC logic series and utilizes CMOS technology. The device operates within a supply voltage range of 2 V to 6 V. It features four non-inverting input lines and four corresponding output lines. The package type is DIP-14. High-level output current is -7.8 mA, and low-level output current is 7.8 mA. Static current is 8 uA. Operating temperature ranges from -40 C to +85 C. Propagation delay is 150 ns at 2 V, 30 ns at 4.5 V, and 25 ns at 6 V.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides four independent non-inverting buffer channels with three-state output control for bus-oriented architectures.
• Incorporates Schmitt-trigger inputs on select variants within the family to accept slow-rising signals and provide noise filtering.
• Operates across a wide supply voltage range compatible with standard digital logic families.

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented systems requiring signal buffering and isolation.
• Driving capacitive loads in digital communication interfaces.
• Clock distribution networks where signal integrity is critical.

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'NG4' against the manufacturer's official ordering information to confirm package type and RoHS compliance status. Ensure the component meets environmental regulations for the intended deployment region. Check for end-of-life notices or obsolescence warnings prior to finalizing procurement decisions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when a quad buffer with three-state outputs is required for bus applications. Consider the HC logic speed and voltage compatibility with the system design. Verify that the DIP-14 package fits the available PCB footprint. Compare propagation delays and drive currents against system timing requirements.

Buffers, Drivers, Receivers, Transceivers Part Context

This part is part of the SN74HC125 family of quadruple bus buffers. It shares functional similarities with other members like SN74HC125D and SN74HC125PWR but differs in packaging. The family provides standardized interface solutions for digital logic systems.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Compatible substitutes include SN74HC125D (SOIC-14) and SN74HC125PWR (TSSOP-14). Verify pinout compatibility and electrical specifications before substitution. Ensure the replacement part matches the required operating temperature range and supply voltage constraints.