SN74HC165QPWRQ1

Shift Registers Overview

The SN74HC165QPWRQ1 is an automotive-grade, 8-bit parallel-load shift register from Texas Instruments' HC logic family. It converts eight parallel data inputs into a serial output stream. The device 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. It features propagation delays of 150 ns, 30 ns, and 26 ns under specified conditions. Packaged in a 16-pin TSSOP, it holds AEC-Q100 qualification for automotive applications.

Shift Registers Feature Summary

• Provides parallel-to-serial data conversion capability with direct parallel access to all eight input stages.
• Features a clock inhibit function that allows the user to pause shifting operations without affecting stored data.
• Includes complementary serial outputs (QH and /QH) for flexible system integration.
• Designed for harsh environments with extended temperature ratings and robust CMOS construction.

Shift Registers Applications

• Automotive electronic control units requiring reliable data acquisition
• Industrial systems needing expansion of digital input lines
• Embedded controllers managing multiple sensor or switch inputs

Shift Registers Procurement Notes

Verify the specific suffix Q1 confirms AEC-Q100 automotive qualification status before integration. Confirm the TSSOP-16 package dimensions match your PCB footprint requirements. Ensure the 2 V to 6 V supply voltage aligns with your system's power rails. Check for RoHS compliance documentation if required by your manufacturing standards. Validate that the serial/parallel-to-serial functionality meets your interface protocol needs.

Shift Registers Selection Notes

Select this component when an 8-bit parallel load shift register is required for automotive environments. The HC series offers standard CMOS performance suitable for general-purpose logic applications. Consider the TSSOP-16 package if space constraints allow for surface-mount assembly. Verify that the 2 V to 6 V operating range covers your minimum and maximum supply voltages across all operating temperatures.

Shift Registers Part Context

This part belongs to the SN74HC165 family of 8-bit shift registers. The QPWRQ1 designation indicates an automotive-grade version manufactured in a TSSOP package. It shares functional similarities with other HC165 variants but includes specific qualifications for automotive reliability. The family is designed for high-density digital signal processing tasks.

Shift Registers FAQ

Does the SN74HC165QPWRQ1 support clock inhibition?

Yes, the device includes a dedicated clock inhibit input that pauses the shifting operation while maintaining the current state of the register.

What is the logic family type for this component?

It utilizes High-speed CMOS (HC) logic technology, providing fast switching speeds and low power consumption.