CD74HC534EG4

Overview

The CD74HC534EG4 is a high-speed CMOS logic device manufactured by Texas Instruments, featuring octal positive-edge-triggered inverting D-type flip-flops with three-state outputs. It operates within a supply voltage range of 2V to 6V and supports a maximum clock frequency of 28MHz at nominal voltage. The component exhibits a maximum propagation delay of 35ns and provides an output current capability of up to 7.8mA. Designed for robust performance across industrial conditions, it functions reliably within an operating temperature range of -55°C to +125°C.

Feature Summary

• Octal configuration providing eight independent positive-edge-triggered D-type flip-flops
• Inverting data output functionality integrated with three-state control
• High-speed CMOS technology enabling operation at frequencies up to 28MHz
• Industrial-grade thermal stability supporting extended temperature environments

Applications

• Parallel-to-serial data conversion circuits
• Buffering and latching digital data lines
• General-purpose memory storage elements in logic systems
• Output interface driving with controlled impedance states

Procurement Notes

Verify the specific suffix 'G4' against official manufacturer documentation to confirm compliance with RoHS directives and lead-free manufacturing standards. Ensure that the ordering information matches the exact package type and pinout configuration required for the target PCB layout. Cross-reference the datasheet revision history to validate any recent design or material changes affecting the component's specifications.

Selection Notes

Select this component when an octal register with inverting outputs and tri-state control is required. Consider the 2V to 6V supply range compatibility with the system logic levels. Evaluate the 35ns propagation delay against the system timing requirements to ensure signal integrity. Confirm that the through-hole PDIP-20 package aligns with the assembly process and board space constraints.

Part Context

This part belongs to the Texas Instruments 74HC series of high-speed CMOS logic devices. The HC designation indicates standard speed and voltage characteristics suitable for general-purpose digital applications. As a catalog-rated component, it represents a widely available solution for basic sequential logic functions within mixed-signal or purely digital circuit designs.

Replacement Considerations

CD74HC534E