SN74HCS125QDRQ1

Buffers, Drivers, Receivers, Transceivers Overview

The SN74HCS125QDRQ1 is an automotive-grade quadruple bus buffer and line driver from Texas Instruments' HCS logic family. It features four non-inverting inputs with Schmitt-trigger action for noise immunity. The device operates within a supply voltage range of 2 V to 6 V, supporting low-power CMOS technology with a typical static current of 100 nA. It provides push-pull outputs capable of sourcing and sinking up to 7.8 mA. Designed for harsh environments, it functions reliably across an extended temperature range from -40°C to +125°C and meets AEC-Q100 qualification standards.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle applications
• Schmitt-trigger inputs provide enhanced noise filtering and signal integrity
• Low quiescent current consumption supports energy-efficient system designs
• Wide operating voltage range accommodates various power supply architectures

Buffers, Drivers, Receivers, Transceivers Applications

• Automotive data acquisition systems requiring robust signal buffering
• High-noise industrial environments needing Schmitt-triggered input protection
• Battery-powered electronic modules utilizing low-power logic families

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific package variant (SOIC-14) against design requirements. Confirm that the Q1 suffix indicates automotive grade compliance. Ensure the manufacturer source is authorized to guarantee component authenticity. Check for any recent product change notices affecting pinout or electrical characteristics before finalizing procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when automotive reliability and wide voltage operation are required. The HCS series offers lower power consumption compared to standard HC logic. Verify that the 7.8 mA drive capability meets load requirements. Consider the SOIC-14 package constraints for PCB layout and thermal management during selection.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74HCS125-Q1 series, designed specifically for automotive electronics. It serves as a high-performance alternative to standard logic buffers, offering improved noise margins through Schmitt triggers. The family is characterized by low power and compatibility with standard digital interfaces used in modern vehicle networks.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74HCS125PWRQ1: Same functional specifications but in TSSOP-14 package. SN74HCS125QPWRQ1: Same function in HTSSOP-14 package. SN74HCS125QBQARQ1: Same function in WQFN-14 package. Verify pin-to-pin compatibility and thermal performance differences between packages.