CD74HC174E

Overview

The CD74HC174E is a hex D-type flip-flop manufactured by Texas Instruments, belonging to the HC logic series. It features six independent D-type flip-flops with positive-edge triggering and an asynchronous active-low reset input. The device operates within a supply voltage range of 2 V to 6 V. It utilizes a 16-pin PDIP package for through-hole mounting. Key electrical characteristics include a propagation delay of 165 ns and output currents of ±5.2 mA. The component supports standard CMOS inputs and outputs.

Feature Summary

• Contains six independent D-type flip-flops with positive-edge clock triggering
• Includes an asynchronous active-low reset input for immediate state clearing
• Supports wide supply voltage operation ranging from 2 V to 6 V
• Features non-inverting outputs compatible with standard CMOS logic levels

Applications

• Parallel data storage in digital systems
• Shift register construction
• State machine implementation
• Data buffering applications

Procurement Notes

Verify the specific suffix 'E' corresponds to the PDIP-16 through-hole package variant when sourcing. Confirm RoHS compliance status as indicated in official documentation. Ensure the supplier provides valid datasheets matching the Texas Instruments part number to guarantee correct logic family specifications and pinout alignment.

Selection Notes

Select this component for designs requiring multiple synchronized storage elements within a single package. The HC series offers balanced speed and power consumption suitable for general-purpose logic applications. Consider the PDIP-16 form factor for prototyping or through-hole manufacturing processes where surface-mount options are not feasible.

Part Context

This part belongs to the Texas Instruments CD74HC174 family of high-speed CMOS logic devices. It serves as a fundamental building block for sequential logic circuits. The device complements other HC series components like gates and buffers, enabling complex digital system integration within a unified logic family architecture.

Replacement Considerations

CD74HC174N