SN74HC273QPWRQ1

Flip Flops Overview

The SN74HC273QPWRQ1 is an automotive-grade octal D-type flip-flop with a clear input, manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 6 V and features CMOS inputs and outputs. The device provides a propagation delay of 160 ns, with high-level output current of -5.2 mA and low-level output current of 5.2 mA. It supports a maximum clock frequency of 18 MHz under specific load conditions. The component is housed in a TSSOP-20 package and is qualified to AEC-Q100 standards for automotive applications. It functions reliably across an operating temperature range from -40 °C to +125 °C.

Flip Flops Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments
• Octal configuration providing eight independent D-type flip-flops with a common clear input
• Wide supply voltage operation supporting 2 V to 6 V ranges for flexible system integration

Flip Flops Applications

• Automotive data logging systems requiring robust sequential logic storage
• Vehicle infotainment interfaces utilizing parallel data buffering
• Automotive sensor signal conditioning and digital interface circuits

Flip Flops Procurement Notes

Verify the complete part number including suffixes to ensure correct packaging and automotive grade alignment. Confirm AEC-Q100 qualification status matches project requirements. Check datasheet revisions for any recent design or specification updates. Ensure ESD protection measures are implemented during handling due to CMOS sensitivity. Validate thermal performance within the specified -40 °C to +125 °C operating range for the target application environment.

Flip Flops Selection Notes

Select this component when automotive reliability and wide voltage operation are required. Compare propagation delay characteristics against system timing constraints. Evaluate pin compatibility with existing PCB layouts using the TSSOP-20 package dimensions. Consider power consumption levels relative to other logic families if battery efficiency is critical. Verify input voltage thresholds match the driving source logic levels.

Flip Flops Part Context

This device belongs to the SN74HC273-Q1 series of automotive octal D-type flip-flops. It shares functional similarities with non-automotive variants but includes enhanced testing and qualification processes. The Q1 suffix denotes automotive grade compliance. Related parts include the SN74HCS273QPWRQ1 with Schmitt-trigger inputs and the SN74AHC273QPWRQ1 with faster switching speeds. All variants maintain the octal D-type architecture.

Flip Flops Replacement Considerations

SN74HC273PWRQ1 is a direct substitute with identical electrical specifications and pinout. SN74HC273QDWRQ1 offers the same functionality in a SOIC-20 package. SN74HCS273QPWRQ1 provides similar octal D-type operation but includes Schmitt-trigger inputs for improved noise immunity.