CD74AC164PWR

Shift Registers Overview

The CD74AC164PWR is an 8-bit serial-in, parallel-out shift register manufactured by Texas Instruments. It operates within a supply voltage range of 1.5 V to 5.5 V and features push-pull outputs. The device is housed in a 14-pin TSSOP package and supports operation across an extended temperature range from -55°C to +125°C. It utilizes CMOS technology and includes asynchronous reset functionality with rising-edge clock triggering for data shifting.

Shift Registers Feature Summary

• Converts serial input data into parallel output states using eight flip-flops
• Supports wide supply voltage operation from 1.5 V to 5.5 V
• Includes asynchronous reset capability to clear all outputs simultaneously

Shift Registers Applications

• Serial-to-parallel data conversion in digital systems
• Output expansion for microcontroller applications
• Driving LED displays or indicator arrays

Shift Registers Procurement Notes

Verify the specific suffix 'PWR' corresponds to the TSSOP-14 package variant when sourcing. Confirm RoHS compliance status and moisture sensitivity level requirements against project specifications. Ensure the operating temperature range meets environmental constraints. Cross-reference datasheet revisions to confirm pinout consistency with existing designs.

Shift Registers Selection Notes

Select this component for applications requiring low-voltage operation down to 1.5 V. The AC logic family offers higher speed compared to standard HC series variants. Consider the TSSOP package dimensions for PCB layout constraints. Verify that the asynchronous reset feature aligns with system initialization requirements.

Shift Registers Part Context

This part belongs to the Texas Instruments 74AC logic family, which provides high-speed CMOS performance. The CD74AC164 is a specific variant designed for serial-to-parallel conversion tasks. It shares functional compatibility with other 74AC164 devices but differs in packaging and suffix designations.

Shift Registers Replacement Considerations

CD74AC164M96 (SOIC-14 package)

Shift Registers FAQ

What is the function of the asynchronous reset input?

The asynchronous reset input clears all eight flip-flops, forcing all parallel outputs to a low state regardless of the clock signal.

Does the CD74AC164PWR support bidirectional shifting?

No, it is a unidirectional shift register that shifts data from serial input to parallel outputs on rising clock edges.