FST16209MEA

Overview

The FST16209MEA is a high-speed bus switch manufactured by Fairchild Semiconductor, housed in a 48-SSOP surface-mount package. It operates as an 18-bit bus switch or a 9-bit bus exchanger, facilitating data exchange between four signal ports via data-select inputs. The device supports a single supply voltage range of 4V to 5.5V and features tri-state outputs with a maximum leakage current of 3uA. It ensures reliable performance across an operating temperature range of -40°C to +85°C, with a typical propagation delay of 7ns at 5.5V and 50pF load.

Feature Summary

• Provides configurable 18-bit bus switching or 9-bit bus exchanging capabilities for complex data routing
• Features low leakage current and high-impedance tri-state outputs for effective signal isolation
• Supports single-supply operation within the 4V to 5.5V range for standard logic compatibility

Applications

• High-speed data routing in computer systems
• Signal switching in consumer electronics
• Data exchange interfaces in industrial control equipment

Procurement Notes

Verify the specific datasheet revision and manufacturer documentation to confirm pinout compatibility and electrical characteristics before integration. Ensure that the 48-SSOP package dimensions align with your PCB footprint requirements. Cross-reference the part number with official Fairchild Semiconductor catalogs to validate authenticity and avoid counterfeit components during sourcing.

Selection Notes

Select this component when designing circuits requiring precise data exchange between multiple signal ports using a single power supply. It is suitable for applications demanding low propagation delay and minimal signal distortion. Consider the thermal management requirements associated with the SSOP package and ensure the operating environment stays within the specified -40°C to +85°C temperature range for optimal reliability.

Part Context

This device belongs to the FST series of high-speed CMOS logic switches designed for system miniaturization and efficiency. It utilizes advanced technology to minimize conduction loss and provide superior switching performance. The series is tailored for various digital applications requiring fast data transfer rates and low power consumption in compact form factors.

Replacement Considerations

Consult official substitution guides for compatible equivalents from Fairchild or ON Semiconductor. Verify that any alternative part maintains identical pin configurations, voltage ranges, and package types to ensure seamless integration without redesigning the host circuit board.

FAQ

What is the primary function of the FST16209MEA?

It functions as an 18-bit bus switch or a 9-bit bus exchanger, allowing data exchange between four signal ports controlled by select inputs.

Does the FST16209MEA support single-supply operation?

Yes, it is designed to operate with a single supply voltage ranging from 4V to 5.5V.