SN74ALS646A-1DWR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74ALS646A-1DWR is an octal bus transceiver and register from the Texas Instruments ALS logic family. It features three-state outputs and operates within a supply voltage range of 4.5 V to 5.5 V. The device provides a propagation delay of 30 ns, with low-level output current capability of 24 mA and high-level output current of -15 mA. It utilizes TTL input and output levels and functions as a non-inverting circuit. The component is housed in a SOIC-24 surface-mount package and supports operation across temperatures from 0°C to +70°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal registered bus transceiver architecture
• Three-state output capability for bus isolation
• TTL-compatible input and output levels

Buffers, Drivers, Receivers, Transceivers Applications

• High-speed data acquisition systems
• Memory buffer applications
• Clock drivers
• Bus-oriented architectures

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix '1' against official datasheets to confirm pinout or functional variations compared to standard variants. Ensure the SOIC-24 package footprint matches the design requirements. Confirm RoHS compliance status through manufacturer documentation prior to integration.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for designs requiring octal bidirectional data transfer with latching capabilities. The ALS series offers a balance of speed and power consumption suitable for general-purpose digital systems. Verify that the 30 ns propagation delay meets the system timing constraints.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74ALS646A series of octal bus transceivers. It is functionally related to other ALS logic devices but distinguished by its registered output structure. The DWR suffix indicates a tape-and-reel packaging format for automated assembly processes.

Buffers, Drivers, Receivers, Transceivers FAQ

What is the logic family of the SN74ALS646A-1DWR?

It belongs to the Advanced Low-power Schottky (ALS) logic family.

Does the device support bidirectional data flow?

Yes, it is designed as a bus transceiver allowing bidirectional communication between buses.