SN74HCS574QPWRQ1

Flip Flops Overview

The SN74HCS574QPWRQ1 is an automotive-grade octal D-type flip-flop from Texas Instruments, featuring Schmitt-trigger inputs and three-state outputs. It operates within a supply voltage range of 2 V to 6 V and supports a wide operating temperature range from -40°C to +125°C. The device provides high-level output current of 35 mA and low-level output current of -35 mA. Packaged in TSSOP-20, it utilizes a straight-through pinout for efficient bus routing.

Flip Flops Feature Summary

• Incorporates Schmitt-trigger architecture on all inputs to tolerate slow or noisy signals
• Features three-state outputs with shared rising-edge triggered clock and active-low output enable
• Designed with straight-through pinout configuration to facilitate bus-oriented wiring

Flip Flops Applications

• Automotive data acquisition systems requiring robust signal integrity
• Bus-oriented memory register implementations in vehicle electronics
• High-noise industrial environments utilizing slow-transitioning input signals

Flip Flops Procurement Notes

Verify the complete part number including suffixes such as QPWRQ1 to ensure correct automotive qualification and package type. Confirm that the specific ordering code matches the required TSSOP-20 package and reel specifications. Cross-reference the manufacturer datasheet for any recent product change notifications or lifecycle status updates before finalizing procurement decisions.

Flip Flops Selection Notes

Select this component when designing circuits that require noise immunity through Schmitt-trigger inputs and flexible voltage operation between 2 V and 6 V. The three-state output capability allows multiple devices to share common buses without interference. Ensure the application environment falls within the specified -40°C to +125°C temperature range and requires AEC-Q100 Grade 1 certification for automotive reliability.

Flip Flops Part Context

This device belongs to the SN74HCS series, which combines high-speed CMOS performance with Schmitt-trigger functionality. The HCS designation indicates enhanced noise tolerance compared to standard HC logic. As an automotive-qualified variant, it meets stringent reliability standards for vehicle applications while maintaining compatibility with general-purpose digital logic interfaces.

Flip Flops Replacement Considerations

SN74HCS574PW: Non-automotive grade equivalent with identical electrical characteristics but lacking AEC-Q100 certification.