74AHCT573PW,112

Latches Overview

The 74AHCT573PW,112 is an octal D-type transparent latch manufactured by Nexperia USA Inc. It features eight independent D-type latches with three-state outputs, housed in a 20-TSSOP package. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports data rates up to 60 MHz. It includes latch enable (LE) and output enable (OE) inputs for bus-oriented applications. The component complies with JEDEC standards and offers high noise immunity with TTL input levels.

Latches Feature Summary

• Octal D-type transparent latch architecture with three-state outputs
• TTL-compatible input levels for direct interfacing with microprocessors
• Bus-oriented design with common output enable control
• High noise immunity and low power dissipation characteristics

Latches Applications

• Microprocessor memory address latching
• I/O port expansion for microcomputers
• Bus-oriented data storage applications
• Transparent latch functions in digital logic circuits

Latches Procurement Notes

Verify the specific suffix '112' against official Nexperia documentation to confirm tape-and-reel packaging specifications. Ensure compatibility with standard 20-TSSOP footprint requirements. Confirm RoHS compliance status and moisture sensitivity level prior to integration into production workflows.

Latches Selection Notes

Select this component when an octal latch with three-state outputs is required for 5 V logic systems. The AHCT series ensures TTL input compatibility while maintaining CMOS performance. Verify that the 20-TSSOP package dimensions fit the target PCB layout constraints and thermal management requirements.

Latches Part Context

This part belongs to the Nexperia 74AHCT573 family of octal latches. It shares functional similarities with other variants in the 74HCT and 74AHC series but is distinguished by its specific supply voltage range and input threshold characteristics defined by the AHCT logic family standards.

Latches FAQ

What is the function of the OE input?

The Output Enable (OE) input controls the three-state condition of the outputs. When OE is HIGH, the outputs assume a high-impedance OFF-state, isolating the latched data from the bus.

How does the LE input affect data storage?

When the Latch Enable (LE) input is HIGH, the latches are transparent, and outputs follow the inputs. When LE transitions from HIGH to LOW, the data present at the inputs is stored in the latches.