SN74ABT640PWR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74ABT640PWR is an octal bus transceiver from the Texas Instruments ABT logic series, housed in a TSSOP-20 surface-mount package. It features tri-state outputs and operates within a supply voltage range of 4.5 V to 5.5 V. The device supports TTL input and output levels with a propagation delay of 4.9 ns. It provides a low-level output current of 64 mA and a high-level output current of -32 mA. The component functions as an inverting transceiver with eight channels and has a maximum power supply current of 30 mA.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bus transceiver architecture with tri-state outputs for efficient data management
• ABT logic technology enabling fast switching speeds with reduced power consumption
• TTL-compatible input and output voltage levels for broad interface compatibility

Buffers, Drivers, Receivers, Transceivers Applications

• High-speed data acquisition systems requiring parallel data transfer
• Memory-to-memory or memory-to-I/O data buffering applications
• Industrial control systems utilizing standard logic interfaces

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific package variant, as the SN74ABT640 family includes SOIC options like the SN74ABT640DWR. Confirm RoHS compliance status through official manufacturer documentation. Ensure the ordering suffix matches the required tape-and-reel or cut-tape configuration for your assembly process. Cross-reference the datasheet revision date to confirm technical specifications remain current.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing circuits that require high-speed bidirectional data transfer between buses. The ABT series offers a balance of speed and drive strength suitable for demanding digital environments. Consider the TSSOP-20 package for space-constrained printed circuit board layouts. Verify that the system voltage remains strictly within the 4.5 V to 5.5 V operational range to ensure reliable performance.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74ABT640 family of octal bus transceivers manufactured by Texas Instruments. The family utilizes advanced BiCMOS technology to achieve high-speed operation while maintaining low power dissipation. Other variants in the series include different packaging options such as the SN74ABT640DWR in a SOIC-20 package, providing flexibility for various manufacturing requirements.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The SN74ABT640DWR serves as a pin-compatible alternative within the same family, differing primarily in its SOIC-20 package instead of TSSOP-20. Designers must verify footprint compatibility before substitution. No other direct cross-family replacements are confirmed in the provided documentation.