SN74LVC125AQDRQ1

Buffers, Drivers, Receivers, Transceivers Overview

The SN74LVC125AQDRQ1 is an automotive-grade quadruple bus buffer gate featuring three-state outputs, manufactured by Texas Instruments. It operates within a supply voltage range of 1.65 V to 3.6 V and supports input levels compatible with 1.8-V, 2.5-V, 3.3-V, and 5-V systems. The device utilizes LVC logic technology for low power consumption and high speed. It is housed in a 14-pin TSSOP package and is qualified under AEC-Q100 standards for automotive applications.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments.
• Quadruple bus buffer architecture with independent output enable controls for each channel.
• Three-state output design allowing direct connection to bus lines without external drivers.
• Wide operating voltage range supporting multiple system logic levels from 1.65 V to 3.6 V.

Buffers, Drivers, Receivers, Transceivers Applications

• Automotive data bus buffering and signal conditioning
• Memory interface buffering in automotive control units
• I/O expansion for microcontrollers in vehicle electronics
• Level shifting between different voltage domains in automotive systems

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the complete part number including suffixes such as 'RGVR' or 'RGVT' for specific tape-and-reel quantities and packaging options. Confirm AEC-Q100 qualification status and RoHS compliance through official Texas Instruments documentation before procurement. Ensure the ordering code matches the required temperature grade and package variant for automotive integration.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing automotive circuits requiring buffered signals with three-state capability. It is suitable for replacing older 74-series buffers in modern low-voltage automotive architectures. Consider the 1.65-V minimum supply voltage for compatibility with low-power embedded systems. Verify that the TSSOP package fits the PCB layout constraints and thermal requirements of the target application.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the SN74LVC125A family of quadruple bus buffers. The 'Q1' suffix denotes automotive qualification, distinguishing it from commercial variants. It shares functional similarities with other LVC series buffers but offers enhanced reliability for automotive use cases. The family provides standardized pinouts for easy migration from legacy designs.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct substitutes include SN74LVC125ADBRQ1 and SN74LVC125ARGVRQ1. These alternatives offer identical functionality with differences in package type (SOIC vs. VSSOP) or reel quantity. Verify pinout compatibility and electrical specifications before substitution.