74HC574D,653

Overview

The Nexperia 74HC574D,653 is an octal D-type edge-triggered flip-flop housed in a 20-SOIC package. It operates within a supply voltage range of 2 V to 6 V and supports a maximum clock frequency of 35 MHz. The device features non-inverting outputs with a propagation delay of 14 ns at 5 V. Output drive capability is specified at ±7.8 mA. It functions as a single circuit with eight bits per element, designed for surface mount installation across a temperature range of -40 °C to +125 °C.

Feature Summary

• Octal D-type edge-triggered flip-flop architecture providing eight independent data storage elements
• Non-inverting outputs suitable for bus-oriented applications requiring three-state control
• CMOS construction ensuring low power dissipation and high noise immunity

Applications

• Microprocessor and microcomputer input or output port interfaces
• Bus-oriented data storage and transfer systems
• Industrial control logic circuits
• Consumer electronics signal processing

Procurement Notes

Verify the specific suffix 653 against official Nexperia documentation to confirm tape and reel specifications and manufacturing origin. Ensure compatibility with existing PCB footprints and reflow soldering profiles. Confirm current production status and longevity program support before finalizing design-in decisions.

Selection Notes

Select this component when an octal edge-triggered register is required for digital data latching. Compare performance metrics such as propagation delay and output current against alternative logic families like AHC or HCT. Evaluate package dimensions and thermal characteristics relative to board space constraints and operating environment requirements.

Part Context

This part belongs to the 74HC series of high-speed CMOS logic devices manufactured by Nexperia. It complements other components in the family, such as the 74HC573 latch, by providing edge-triggered functionality rather than level-sensitive latching. The SOIC-20 package allows for easy interface with microprocessors due to opposing input and output pin arrangements.

Replacement Considerations

Public confirmed substitute part numbers include 74HC574D,652 and 74AHC574D,118. Verify electrical parameter compatibility and package pinout alignment before substitution.