SN74LVC573ANSRE4

Latches Overview

The SN74LVC573ANSRE4 is an octal transparent D-type latch with 3-state outputs manufactured by Texas Instruments. It operates from a supply voltage of 1.65 V to 3.6 V and accepts input voltages up to 5.5 V, supporting mixed-mode signal operation. The device features a maximum propagation delay of 6.9 ns at 3.3 V and typical output ground bounce of 2 V. It includes Ioff circuitry for partial power-down support and live insertion protection. The component is housed in a 20-pin NS (SOIC) package.

Latches Feature Summary

• Operates within a wide voltage range of 1.65 V to 3.6 V
• Inputs accept voltages up to 5.5 V for mixed-mode compatibility
• Includes Ioff feature to prevent backflow during partial power-down
• Provides high drive capability suitable for bus drivers

Latches Applications

• Servers
• PC and notebook systems
• Network switches
• Health and fitness wearables

Latches Procurement Notes

Verify the specific ordering suffix 'E4' corresponds to the required environmental compliance and packaging configuration. Confirm that the NS package variant matches the target PCB footprint requirements. Ensure the operating temperature range aligns with system specifications. Cross-reference the datasheet revision date to confirm current parameter validity.

Latches Selection Notes

Select this component when an octal latch with 3-state outputs is required for high-speed data retention. It is suitable for applications needing 5.5 V tolerant inputs while operating at lower core voltages. Consider the 20-pin SOIC package constraints and thermal characteristics. Verify that the drive current capabilities meet the load requirements without exceeding absolute maximum ratings.

Latches Part Context

This part belongs to the SN74LVC573A family of octal transparent D-type latches. It shares functional characteristics with other variants in the series but differs in package type and manufacturing revisions. The LVC logic family provides low voltage CMOS performance with high drive strength compared to standard logic families.

Latches Replacement Considerations

SN74LVC573ADBR

Latches FAQ

How does the Ioff feature function?

The Ioff circuitry disables the outputs when the device is powered down, preventing damaging current backflow through the device.

What is the input voltage tolerance?

The inputs accept voltages up to 5.5 V, allowing for mixed-mode signal operation with 5-V input/output voltage while using a 3.3-V VCC.