SN74HCS273QWRKSRQ1

Flip Flops Overview

The SN74HCS273QWRKSRQ1 is an automotive-grade octal D-type flip-flop from Texas Instruments, designed for high-speed digital applications. It features Schmitt-trigger inputs to ensure clean switching and includes a master reset function. The device operates within a supply voltage range of 2 V to 6 V and supports clock frequencies up to 135 MHz. Propagation delay is specified at 29.1 ns. It is housed in a VQFN-20 package and complies with AEC-Q100 standards for automotive reliability.

Flip Flops Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for robust performance in vehicle environments
• Schmitt-trigger inputs provide noise filtering and stable signal transitions
• Master reset functionality allows synchronous clearing of all eight outputs

Flip Flops Applications

• Automotive data acquisition systems requiring reliable state storage
• High-speed automotive communication interfaces
• Digital control logic in engine management units

Flip Flops Procurement Notes

Verify the complete part number including the Q1 suffix and QWRKSRQ1 ordering code to ensure correct automotive grade and packaging configuration. Confirm that the VQFN-20 package matches the PCB footprint requirements. Check for specific tape and reel specifications if automated assembly is planned. Ensure the design supports the 2 V to 6 V operating range.

Flip Flops Selection Notes

Select this component when automotive reliability and high-speed operation are required. The HCS series offers faster performance than standard HC logic while maintaining CMOS compatibility. The Schmitt-trigger input feature is critical for noisy automotive environments. Compare against SN74AHC273QWRKSRQ1 for higher speed options or SN74HC273QDWRG4Q1 for different package types.

Flip Flops Part Context

This part belongs to the SN74HCS273-Q1 family of octal D-type flip-flops. It is specifically engineered for automotive electronics, distinguishing it from commercial variants through rigorous testing and qualification processes. The Q1 designation indicates compliance with automotive quality standards, ensuring longevity and stability under varying thermal conditions typical in vehicle applications.

Flip Flops Replacement Considerations

SN74AHC273QWRKSRQ1 offers higher speed capabilities. SN74HC273QDWRG4Q1 provides a SOIC-20 package alternative. SN74HCS273RKSR is a non-automotive version with similar electrical characteristics but lacks automotive qualification.