SN74AHC573DWRE4

Overview

The SN74AHC573DWRE4 is an octal transparent D-type latch with three-state outputs manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 5.5 V and features low static current consumption of 4 uA. The device provides high drive capability with a low-level output current of 32 mA and a high-level output current of -8 mA. Propagation delays are specified at 14.5 ns and 8.8 ns. It functions in non-inverting logic mode and supports an operating temperature range from -40 C to +125 C. The component is housed in a SOIC-20 package.

Feature Summary

• Octal transparent D-type latch architecture with three-state outputs
• Wide supply voltage operation from 2 V to 5.5 V
• High drive capability with 32 mA low-level output current
• Extended industrial temperature range up to +125 C

Applications

• Data register applications requiring parallel-to-serial conversion
• Bus-oriented memory mapping systems
• Industrial control systems operating in extended temperature environments

Procurement Notes

Verify the complete part number including the RE4 suffix to ensure compliance with specific environmental or manufacturing standards. Confirm the SOIC-20 package type matches the target PCB footprint. Check RoHS status details through official manufacturer documentation before finalizing procurement specifications.

Selection Notes

Select this component for designs requiring wide voltage compatibility between 2 V and 5.5 V. The extended temperature range makes it suitable for harsh industrial environments. Ensure the circuit design accommodates the specified propagation delays and output drive currents for proper signal integrity.

Part Context

This device belongs to the SN74AHC573 series of octal latches. It shares functional similarities with other AHC family members but offers specific electrical characteristics tailored for low power and high speed applications. The RE4 suffix indicates specific ordering and packaging configurations defined by the manufacturer.

Replacement Considerations

SN74AHC573DWR is a compatible alternative within the same series offering identical logical functionality and pinout configuration.