CD74FCT573DTQM

Latches Overview

The CD74FCT573DTQM is an octal transparent latch manufactured by Harris Corporation in the FCT series. It features a single function with eight bits and true output characteristics, utilizing BICMOS technology. The device is housed in a 20-pin QSOP package with dimensions of 0.154 inches. It operates within a supply voltage range of 4.75V to 5.25V and provides tri-state outputs. Key electrical parameters include a propagation delay of 9ns and output currents of 15mA for both high and low states.

Latches Feature Summary

• Octal transparent latch configuration with D-type input storage
• Tri-state output capability for bus-driven applications
• Independent control logic for data latching operations

Latches Applications

• Parallel data storage in digital systems
• Bus interface buffering
• Register file implementations

Latches Procurement Notes

Verify component authenticity through official Harris Corporation channels or authorized distributors. Confirm RoHS compliance status as historical documentation may indicate non-compliance. Ensure the QSOP-20 package matches design requirements. Check for obsolescence notices given the manufacturer's history. Validate datasheet revisions against current engineering specifications before integration.

Latches Selection Notes

Select this component for applications requiring octal latching with fast switching speeds. The FCT series offers compatibility with standard logic families while providing improved performance over older technologies. Consider the 20-QSOP package size for space-constrained designs. Verify voltage levels match the 4.75V to 5.25V operating range. Evaluate thermal management needs based on the plastic/epoxy package material.

Latches Part Context

This part belongs to the Harris Corporation FCT (Fast CMOS) logic family, designed for high-speed digital applications. The CD74FCT573 variant specifically provides octal latching functionality. Harris Corporation was a significant semiconductor manufacturer before its acquisition, contributing to the widespread adoption of FCT logic standards in industrial and commercial electronics during the late 20th century.

Latches Replacement Considerations

Check for direct equivalents from Texas Instruments or other manufacturers supporting the 74FCT573 specification. Ensure pin compatibility and electrical characteristics match the original design requirements. Verify package availability if redesigning PCB layouts is not feasible.