74VHCT573AN

Latches Overview

The MC74VHCT573AN is an octal D-type latch with 3-state outputs fabricated using advanced high-speed CMOS technology. It operates within a voltage range of 4.5 V to 5.5 V and features TTL-compatible inputs, ensuring compatibility with standard logic families. The device provides balanced propagation delays and includes power-down protection on both inputs and outputs. Designed for low noise operation, it maintains low power dissipation while achieving speeds comparable to Bipolar Schottky TTL.

Latches Feature Summary

• Octal D-type latch configuration with 3-state output capability
• TTL-compatible inputs for direct interface with standard logic systems
• Power-down protection provided on all inputs and outputs
• Low noise performance with defined maximum output low voltage

Latches Applications

• High-speed data latching in digital processing systems
• Interface between microprocessors and peripheral devices
• Memory buffering applications requiring 3-state isolation
• General-purpose parallel data storage in industrial control

Latches Procurement Notes

Verify the specific suffix 'AN' against official manufacturer documentation to confirm package type and availability status. Ensure the ordered component matches the required operating temperature range and electrical specifications. Cross-reference the full part number with current datasheets to confirm pinout compatibility and RoHS compliance before procurement.

Latches Selection Notes

Select this component when high-speed latching with low power consumption is required. The VHCT series offers speed similar to bipolar TTL but with CMOS power benefits. Verify that the 3-state outputs meet system bus requirements. Ensure input voltage levels align with the TTL-compatible thresholds specified in the datasheet for reliable operation across the intended temperature range.

Latches Part Context

This component belongs to the 74VHCT logic family, which combines the speed of bipolar circuits with the low power of CMOS. It is part of a broader range of octal latches designed for high-density digital applications. The VHCT series is widely used in systems requiring fast data transfer and low standby power, serving as a bridge between different logic voltage domains.

Latches Replacement Considerations

MC74VHCT573ADTG

Latches FAQ

What is the typical propagation delay for this device?

The typical propagation delay (tPD) is 7.7 ns at VCC = 5.0 V.

Does the device include ESD protection?

Yes, the device provides ESD protection exceeding 2000 V according to the Human Body Model and > 200 V according to the Machine Model.

Is the device latchup resistant?

Yes, the latchup performance exceeds 300 mA as specified in the datasheet.