SN74AHC573DGVR

Overview

The SN74AHC573DGVR is an octal transparent D-type latch manufactured by Texas Instruments, featuring three-state outputs. It operates within a supply voltage range of 2 V to 5.5 V and supports standard logic levels. The device incorporates low-power CMOS technology with static current consumption of 4 uA. Propagation delays are specified at 14.9 ns and 9.2 ns. Output drive capabilities include a low-level output current of 32 mA and a high-level output current of -8 mA. It functions reliably across an operating temperature range from -40°C to +85°C.

Feature Summary

• Octal transparent D-type latch architecture with eight independent data paths
• Three-state outputs for effective bus-driven system applications
• Low-power CMOS construction ensuring minimal static current draw
• Wide operating voltage compatibility supporting 2V to 5.5V systems

Applications

• Bus-oriented memory mapping
• Register files and buffered outputs
• I/O space buffering for microprocessor systems

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm package type and tape-and-reel specifications. Ensure the component matches the required logic family and voltage ratings for your target application. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and current production status before finalizing procurement decisions.

Selection Notes

Select this component when designing systems requiring octal latching with three-state control under a wide voltage range. Consider the propagation delay characteristics and output drive strength relative to load requirements. Verify that the TVSOP-20 package aligns with available PCB footprint constraints and thermal management needs for the intended operating environment.

Part Context

This device belongs to the SN74AHC573 series of octal transparent D-type latches produced by Texas Instruments. It is designed for use in various digital logic applications requiring data storage and bus isolation. The component utilizes advanced CMOS technology to provide high-speed performance while maintaining low power consumption standards typical of modern logic integrated circuits.

Replacement Considerations

Consult official substitution guides for compatible alternatives such as the SN74AHCT573DGVR or SN74AHC573QPWRQ1. Verify pinout compatibility and electrical parameter alignment before implementing any substitute components in existing designs.