SN74HC253QDRG4Q1

Overview

The SN74HC253QDRG4Q1 is a dual 4-to-1-line data selector/multiplexer from the Texas Instruments SN74HC series. It operates within a supply voltage range of 2 V to 6 V and features a propagation delay of 38 ns. The device is housed in a 16-pin SOIC-Narrow package and supports surface-mount installation. It is qualified under AEC-Q100 standards for automotive applications, ensuring reliability across an operating temperature range from -40°C to +125°C.

Feature Summary

• Dual independent multiplexing channels
• Automotive grade qualification
• Wide operating temperature range

Applications

• Automotive electronic systems
• Data routing circuits
• Signal selection logic

Procurement Notes

Verify the complete part number including suffixes against official Texas Instruments documentation to ensure correct package type and automotive qualification status. Confirm RoHS compliance details through manufacturer datasheets prior to integration into production designs.

Selection Notes

Select this component when dual 4-to-1 multiplexing is required in automotive environments. Ensure the design accommodates the specified 2 V to 6 V supply range and 125°C maximum junction temperature limits for reliable operation.

Part Context

This part belongs to the SN74HC family of high-speed CMOS logic devices. The 'Q1' suffix indicates automotive qualification, while 'G4' denotes lead-free and RoHS-compliant packaging. It serves as a specialized variant of the standard SN74HC253 for demanding industrial and automotive sectors.

Replacement Considerations

Check for SN74HC253 variants with matching automotive qualifications. Verify pin compatibility and electrical specifications before substituting with non-automotive grades or different manufacturers.