FSTU3384MTCX

Overview

The FSTU3384MTCX is a 10-bit bus switch manufactured by Fairchild Semiconductor, housed in a 24-TSSOP package. It features two independent 5 x 1:1 circuits and operates on a single supply voltage ranging from 4V to 5.5V. The device is designed with -2V undershoot hardening for robust signal integrity. Key electrical characteristics include an on-resistance of 11 Ohms and an operating temperature range from -40°C to 85°C.

Feature Summary

• Features two independent 5 x 1:1 bus switch circuits for flexible data routing
• Incorporates -2V undershoot hardening to protect against signal anomalies
• Supports single-supply operation within the 4V to 5.5V range

Applications

• High-speed data bus switching applications
• Portable equipment requiring low power consumption
• Communication systems utilizing standard logic interfaces

Procurement Notes

Verify the specific datasheet version and manufacturer documentation to confirm pinout compatibility and electrical specifications before integration. Ensure that the 24-TSSOP package dimensions align with your PCB footprint requirements. Confirm RoHS compliance status through official manufacturer channels to meet regulatory standards for your target market.

Selection Notes

Select this component when designing circuits requiring isolated bidirectional data paths with high noise immunity. The -2V undershoot tolerance makes it suitable for systems experiencing transient voltage drops. Consider the 11 Ohm on-resistance for signal loss calculations and ensure the supply voltage remains within the specified 4V to 5.5V window for optimal performance.

Part Context

This part belongs to the FSTU series of bus switches, which are optimized for high-speed data transmission in portable and communication devices. The TSSOP packaging allows for compact surface-mount assembly, supporting space-constrained designs while maintaining reliable electrical connections across the industrial temperature range.

Replacement Considerations

Consult official substitution guides for equivalent parts with matching pinouts and electrical ratings. Verify that alternative components support the same 4V-5.5V supply range and -2V undershoot protection capabilities to ensure circuit compatibility.