74LCX573FT

Latches Overview

The TC74LCX573FT is a low-voltage octal D-type transparent latch manufactured by Toshiba Semiconductor and Storage. It operates within a supply voltage range of 1.65V to 3.6V, featuring 5-V tolerant inputs and outputs for effective interfacing in mixed-voltage systems. The device incorporates three-state outputs and is housed in a 20-TSSOP package. It supports high-speed operation while maintaining low power dissipation typical of CMOS technology.

Latches Feature Summary

• Provides eight D-type transparent latching elements with independent data paths
• Features 5-V tolerant inputs and outputs to facilitate safe interface between 3.3-V and 5-V logic systems
• Delivers three-state outputs to allow direct connection to bus lines without additional drivers

Latches Applications

• Data register applications in portable and battery-powered equipment
• Bus-oriented memory mapping and I/O buffering
• Clock domain crossing synchronization circuits

Latches Procurement Notes

Verify the specific suffix against the manufacturer's current datasheet to confirm pinout compatibility and electrical characteristics. Confirm RoHS compliance status as manufacturing processes may evolve. Ensure the selected package variant matches the required thermal and mechanical constraints for the target PCB layout.

Latches Selection Notes

Select this component when an octal latch with 5-V tolerance is required for low-voltage logic families. Compare propagation delay specifications against system timing requirements. Evaluate the trade-off between the lower leakage current of LCX series versus other logic families for power-sensitive designs.

Latches Part Context

This part belongs to the 74LCX family of low-voltage CMOS logic devices. It serves as a functional equivalent to standard octal latches but optimized for modern low-voltage digital environments. The device complements other members of the 74LCX series such as flip-flops and bus transceivers for complete system integration.

Latches Replacement Considerations

Direct substitutes include MC74LCX573DTR2G from onsemi and SN74LVC573ANSR from Texas Instruments. Verify that alternative sources maintain identical pin configurations and electrical parameters before implementation.