SN74AC573DWRG4

Latches Overview

The SN74AC573DWRG4 is an octal D-type transparent latch with three-state outputs manufactured by Texas Instruments. It operates within a supply voltage range of 2V to 6V and supports a free-air operating temperature from -40°C to +85°C. The device features a maximum propagation delay of 9ns at 5V, with output drive capabilities of ±24mA continuous and ±75mA peak pulse. It utilizes a 20-pin SOIC package.

Latches Feature Summary

• Provides eight independent D-type transparent latches for data storage applications
• Features three-state outputs enabling direct bus driving without external buffers
• Accepts input voltages up to 6V for compatibility with various logic families

Latches Applications

• I/O port expansion circuits
• Bidirectional bus drivers
• Working registers in digital systems

Latches Procurement Notes

Verify the G4 suffix indicates lead-free composition and RoHS compliance per manufacturer standards. Confirm the SOIC-20 package dimensions match PCB footprint requirements. Ensure the -40°C to +85°C industrial temperature rating aligns with environmental specifications. Cross-reference the datasheet revision date to confirm current electrical characteristics.

Latches Selection Notes

Select this component when wide voltage operation between 2V and 6V is required. Choose over HC variants for faster switching speeds and higher drive currents. Consider the SOIC-20 package for surface mount assembly constraints. Verify that the three-state output capability meets bus sharing requirements in the target design.

Latches Part Context

This part belongs to the SN74AC573 family of octal latches. The G4 suffix denotes a lead-free, RoHS-compliant version of the standard SN74AC573DWR. It shares functional pinouts with other 74AC series devices but offers specific AC performance metrics. The device is designed for general-purpose digital logic applications requiring high-speed data latching.

Latches Replacement Considerations

SN74AC573DWR is the non-RoHS equivalent. SN74ACT573DWR offers similar functionality with 5V-only operation. SN74HC573DWR provides slower speeds but lower static power consumption. Verify pin compatibility before substituting with these alternatives.