74FCT573ATQG8

Latches Overview

The Renesas Electronics Corporation 74FCT573ATQG8 is an octal transparent latch belonging to the FCT logic series. It features a QSOP-20 package and operates within a supply voltage range of 4.75V to 5.25V. The component provides three-state outputs with high drive capabilities, supporting low input and output leakage currents below 1 uA. It ensures true TTL input and output compatibility, maintaining typical VOH levels of 3.3V and VOL levels of 0.3V. This device is designed for bus-oriented applications where data transparency and latching functions are required.

Latches Feature Summary

• Octal transparent latch design with three-state outputs suitable for bus-oriented applications
• High drive output capability providing -15mA IOH and 48mA IOL performance
• True TTL input and output compatibility ensuring interoperability with standard logic families
• Power-off disable functionality that permits live insertion into active circuits

Latches Applications

• Bus-oriented data storage systems requiring octal latching
• Digital signal processing interfaces utilizing TTL-compatible logic levels
• System architectures necessitating live insertion capabilities without power cycling

Latches Procurement Notes

Verify component authenticity through authorized distributors as this part may be subject to obsolescence notices. Confirm package integrity upon receipt, specifically checking for QSOP-20 pin alignment and physical damage. Ensure compliance with RoHS3 specifications if environmental regulations apply to your assembly process. Cross-reference manufacturer lot codes against official PCN documents to validate production origin and material consistency before integration into final designs.

Latches Selection Notes

Select this component when designing systems requiring octal data latching with high drive strength and TTL compatibility. The FCT series offers superior speed compared to standard HC logic while maintaining CMOS power efficiency. Consider the QSOP-20 package constraints regarding board space and thermal dissipation. Verify that the operating temperature range meets your specific application environment requirements prior to finalizing the bill of materials.

Latches Part Context

This device is part of the broader 74FCT family of high-speed CMOS logic products manufactured by Renesas Electronics. The FCT series bridges the performance gap between standard TTL and CMOS technologies, offering faster switching speeds with lower power consumption. The 74FCT573 variant specifically addresses applications needing parallel data storage with tri-state control, commonly found in memory interface circuits and microprocessor system buses.

Latches Replacement Considerations

Public confirmed substitute part numbers include IDT74FCT573ATQG8.