SN74BCT640DWRG4

Buffers, Drivers, Receivers, Transceivers Overview

The SN74BCT640DWRG4 is an octal bus transceiver with 3-state outputs manufactured by Texas Instruments. It utilizes state-of-the-art BiCMOS design to provide high-speed data transfer capabilities. The device features inverting logic polarity and operates within a supply voltage range of 4.5 V to 5.5 V. It supports surface mount installation in a 20-pin SOIC package. Key electrical characteristics include a low-level output current of 24 mA and a high-level output current of -15 mA, ensuring robust drive capability for connected loads.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bus transceiver architecture with three-state outputs
• State-of-the-art BiCMOS design for enhanced performance
• Outputs equipped with undershoot protection
• Power-up high-impedance state functionality

Buffers, Drivers, Receivers, Transceivers Applications

• High-speed data bus systems requiring bidirectional transfer
• Memory module interfacing in computing architectures
• Industrial control systems utilizing 5V logic levels

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the RoHS compliance status and specific tape-and-reel packaging details prior to ordering. Ensure that the procurement source provides valid traceability documentation. Check for any obsolescence notices as this part may be discontinued. Validate that the received units match the specified SN74BCT640DWRG4 marking and package type.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring octal bidirectional data transfer with 3-state control. It is suitable for applications needing BiCMOS speed with CMOS compatibility. Consider the 24 mA sink current for driving moderate capacitive loads. Evaluate the 20-pin SOIC footprint against available PCB space. Compare against non-inverting alternatives if signal phase inversion is not desired.

Buffers, Drivers, Receivers, Transceivers Part Context

This component belongs to the SN74BCT series of bus transceivers from Texas Instruments. It shares the SOIC-20 package form factor with other devices in the family but differs in internal logic structure due to its BiCMOS technology. It serves as a bridge between different logic domains in digital circuits, facilitating efficient data movement across multiple lines simultaneously.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Public records indicate this part is obsolete and no longer manufactured. Engineers should consult Texas Instruments for recommended alternative components or next-generation replacements that offer equivalent pinouts and electrical specifications.