SN74AS651DW

Buffers, Drivers, Receivers, Transceivers Overview

The SN74AS651DW is an octal bus transceiver and register with three-state outputs manufactured by Texas Instruments. It belongs to the AS logic series and utilizes a SOIC-20 package for surface mount installation. The device operates within a supply voltage range of 4.5 V to 5.5 V. Key electrical characteristics include a propagation delay of 6 ns, a low-level output current of 32 mA, and a high-level output current of -15 mA. The maximum operating temperature is +70°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bus transceiver architecture with integrated registers
• Three-state output capability for efficient bus management
• High-speed performance suitable for demanding digital applications

Buffers, Drivers, Receivers, Transceivers Applications

• Memory mapping systems
• Clock drivers
• Bus-oriented architectures

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'DW' confirms the SOIC-20 package variant. Confirm RoHS compliance status as some sources indicate non-compliance for this specific part number. Ensure the application environment supports the specified voltage and temperature ranges before procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when octal bidirectional data transfer with latching functionality is required. Compare against the SN74ALS651A for lower power consumption or SN74LS651 for standard speed requirements. Verify pin compatibility if replacing legacy designs.

Buffers, Drivers, Receivers, Transceivers Part Context

This part is part of the SN74AS family, which offers faster switching speeds compared to the standard SN74S or ALS series. It serves as a critical interface component in digital systems requiring high-speed data transmission between buses and memory devices.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74ALS651A-1DW is a documented alternative within the same manufacturer portfolio offering similar functionality with different power characteristics.