SN74ALS623ADWR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74ALS623ADWR is an octal bus transceiver from the Texas Instruments SN74ALS623A series, designed for asynchronous two-way communication between data buses. It features true logic outputs with a 3-state capability and operates within a supply voltage range of 4.5 V to 5.5 V. The device supports propagation delays up to 13 ns and functions at temperatures from 0°C to 70°C. Packaged in a 20-pin Small-Outline (DW) format, it utilizes dual output-enable inputs (OEAB and OEBA) to control data flow direction or isolate buses.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Supports asynchronous two-way communication between data buses
• Features dual output-enable inputs for flexible timing control
• Provides local bus-latch capability when both enable inputs are active

Buffers, Drivers, Receivers, Transceivers Applications

• Asynchronous data transmission between system buses
• Bidirectional bus buffering applications
• Local bus latch implementations

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify that the ordering suffix 'DWR' corresponds to the tape-and-reel packaging configuration rather than tube packaging. Confirm the specific revision level matches project requirements, as datasheets may undergo updates. Ensure the component meets the required RoHS compliance standards for the intended manufacturing process.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when true logic polarity is required for bidirectional data transfer. The ALS series offers a balance of speed and power consumption suitable for standard digital systems. Verify that the 3-state output characteristics align with the load requirements of the connected bus lines.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74ALS623A family of octal bus transceivers manufactured by Texas Instruments. It shares functional similarities with the SN74ALS620A and SN74ALS621A but differs in output logic type and drive capabilities. The DW package variant provides surface-mount compatibility for automated assembly processes.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74ALS623ADW serves as the tube-packaged equivalent. SN74AS623 offers faster switching speeds but higher power consumption. SN74ALS620A provides inverting logic instead of true logic.