SN74AC165WBQBRQ1

Shift Registers Overview

The SN74AC165WBQBRQ1 is an automotive-grade, 8-bit parallel-load shift register manufactured by Texas Instruments. It operates within a supply voltage range of 1.5 V to 6 V and features push-pull outputs with drive capabilities of 24 mA high and low. The device utilizes a WQFN-16 package and supports serial data input alongside standard and inverted serial outputs. It includes a clock inhibit function and asynchronous parallel loading via the SH/LD input. The component meets AEC-Q100 standards for automotive applications, ensuring reliability across temperatures from -40°C to +125°C.

Shift Registers Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for robust performance in vehicle environments.
• Wide operating voltage range supporting systems from 1.5 V to 6 V for flexible power integration.
• Asynchronous parallel load capability allows immediate data entry independent of the clock signal.
• Integrated clock inhibit function enables precise control over data shifting operations.

Shift Registers Applications

• Automotive electronic systems requiring reliable data transmission and storage.
• Industrial control interfaces utilizing wide voltage logic families.
• Embedded systems needing compact 8-bit parallel-to-serial conversion solutions.

Shift Registers Procurement Notes

Verify that the specific WBQBRQ1 suffix corresponds to the intended WQFN-16 packaging and reel configuration required for your assembly process. Confirm that the AEC-Q100 qualification aligns with your automotive grade requirements. Ensure compatibility with the 1.5 V to 6 V operating range before finalizing procurement specifications.

Shift Registers Selection Notes

Select this component when an automotive-certified, wide-voltage shift register is required. The AC series offers faster propagation delays compared to HC variants. The WQFN-16 package suits space-constrained designs. Verify that the 24 mA output drive current meets the load requirements of the connected circuitry.

Shift Registers Part Context

This part belongs to the SN74AC165-Q1 family of 8-bit parallel-load shift registers designed for automotive use. It shares functional similarities with other AC-series logic devices but is specifically qualified for harsh automotive environments. The Q1 designation indicates compliance with automotive quality and reliability standards set by major manufacturers.

Shift Registers FAQ

Does the SN74AC165WBQBRQ1 support synchronous or asynchronous parallel loading?

It supports asynchronous parallel loading, allowing data to be loaded into the register independently of the clock signal when the SH/LD input is low.

What is the maximum output drive current for this device?

The device provides a high-level output current of -24 mA and a low-level output current of 24 mA.