SN74HC594DWRE4

Shift Registers Overview

The SN74HC594DWRE4 is an 8-bit serial-in, parallel-out shift register with output registers manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 6 V and features high-current outputs capable of driving up to 15 LSTTL loads. The device includes separate clocks for the shift and storage registers, along with direct overriding clear inputs. Typical propagation delay is 15 ns, with maximum input current limited to 1 µA.

Shift Registers Feature Summary

• Wide operating voltage range from 2 V to 6 V
• High-current outputs drive up to 15 LSTTL loads
• Low power consumption with 80-µA maximum ICC
• Independent direct overriding clears on shift and storage registers

Shift Registers Applications

• Pro Audio Mixer
• Elevators and Escalators
• Human Machine Interface (HMI): Industrial Monitor
• Entertainment Systems
• Grid Infrastructure: Grid Control

Shift Registers Procurement Notes

Verify the specific package variant against the datasheet orderable addendum, as suffixes indicate distinct packaging options such as tape-and-reel or tube quantities. Confirm RoHS compliance status and lead finish specifications directly from the manufacturer's documentation before finalizing procurement orders.

Shift Registers Selection Notes

Select this component when an 8-bit serial-to-parallel conversion with registered outputs is required in CMOS logic designs. Ensure the application voltage falls between 2 V and 6 V. Consider the high-current output capability if interfacing with medium loads without significant voltage drops.

Shift Registers Part Context

This part belongs to the SNx4HC594 family of 8-bit shift registers with output registers. It utilizes HC CMOS technology, offering compatibility with standard digital logic systems while providing low power consumption and wide voltage operation suitable for various industrial and consumer applications.

Shift Registers Replacement Considerations

SN74HC594DRG4 is listed as an active production alternative with identical SOIC DW packaging and electrical characteristics.