SN74BCT640DW

Buffers, Drivers, Receivers, Transceivers Overview

The SN74BCT640DW is an octal bus transceiver from the Texas Instruments BCT logic family, housed in a 20-pin SOIC package. It features three-state outputs and operates within a supply voltage range of 4.5 V to 5.5 V. The device provides a low-level output current of 64 mA and a high-level output current of -15 mA. Propagation delay is specified at 4.8 ns at 5 V. It supports an operating temperature range from 0 °C to +70 °C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bidirectional data transfer capability with direction control
• High drive strength suitable for bus-oriented architectures
• Three-state outputs for effective bus line driving

Buffers, Drivers, Receivers, Transceivers Applications

• Memory module data buses
• Clock drivers
• Bus-oriented architectures

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix against official documentation to confirm package type and tape/reel specifications. Ensure the component meets required environmental standards for the intended application environment before finalizing procurement decisions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when high drive current is required for bus applications. Compare propagation delay and power consumption against other logic families if speed or efficiency are critical constraints for the system design.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN74BCT series, which combines BiCMOS technology for high speed with CMOS compatibility. It is designed for high-density memory and microprocessor systems requiring robust signal integrity on shared data lines.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Check for SN74BCT640DWR as a potential reel-packaged alternative. Verify pinout compatibility and electrical parameters against SN74LS640 variants if transitioning from older logic families.