SN74HC373PWR

Overview

The SN74HC373PWR is an octal transparent D-type latch with three-state outputs manufactured by Texas Instruments. It features eight high-current latches in a single package, designed to drive highly capacitive or low-impedance loads. The device operates within a supply voltage range of 2 V to 6 V and supports an operating temperature range from -40°C to +85°C. It utilizes a 20-pin TSSOP (PW) package.

Feature Summary

• High-current 3-state true outputs capable of driving up to 15 LSTTL loads
• Full parallel access for loading data into the internal registers
• Output-enable input allows placement of outputs in normal logic states or high-impedance state

Applications

• Implementing buffer registers
• I/O port implementations
• Bidirectional bus drivers
• Working registers

Procurement Notes

Verify the specific ordering suffix 'PWR' corresponds to the TSSOP-20 package and tape-and-reel carrier configuration. Confirm RoHS compliance status and lead finish details against the latest Package Option Addendum. Ensure the procurement matches the active production status indicated in official documentation.

Selection Notes

Select this component when an octal latch with high-drive capability is required for bus applications. The HC series offers compatibility with standard CMOS logic levels. Consider the TSSOP package dimensions and thermal impedance if space constraints or heat dissipation are critical factors in the design.

Part Context

This part belongs to the SN74HC373A family of octal transparent D-type latches. It shares functional characteristics with other variants in the series but differs in packaging and manufacturing lot specifications. The 'A' designation indicates the specific revision of the datasheet and electrical parameters.

Replacement Considerations

Direct substitutes include SN74HC373ADBR and SN74HC373ANSR. Verify pinout compatibility and electrical specifications before substitution.