74F646SC

Buffers, Drivers, Receivers, Transceivers Overview

The Fairchild Semiconductor 74F646SC is a high-speed CMOS octal bus transceiver designed for bidirectional data transfer between two buses. It features three-state outputs and includes an output enable input to control data flow direction. The device operates within a standard voltage range typical for the 74F series, ensuring compatibility with various digital systems requiring fast switching speeds and low power consumption.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Bidirectional octal bus transceiver architecture
• Three-state output capability for bus isolation
• High-speed CMOS technology implementation

Buffers, Drivers, Receivers, Transceivers Applications

• Memory mapping in computer systems
• Signal buffering between different logic families
• Data acquisition systems requiring bus isolation

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'SC' indicates the package type and temperature rating during procurement. Confirm pinout compatibility with existing PCB layouts. Ensure supply chain authenticity through authorized distributors to avoid counterfeit components. Check for RoHS compliance status if required by project specifications.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when bidirectional data transfer is required between buses operating at compatible voltage levels. Consider the F-series speed characteristics against system timing requirements. Evaluate power dissipation constraints relative to the number of active channels. Verify that the package style fits the available board space and assembly capabilities.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the Fairchild 74F series of high-speed CMOS logic devices. It serves as a critical interface component in digital electronics, facilitating efficient data movement across system boundaries. The series is known for balancing speed and power efficiency, making it suitable for legacy and specialized industrial applications.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Compatible substitutes include other octal bus transceivers from the same logic family or equivalent parts from other manufacturers offering identical pinouts and electrical characteristics. Verify functional equivalence regarding propagation delay and drive strength before substitution.