FSSD07UMX

Overview

The FSSD07UMX is a dual-channel multiplexer switch IC from the FSSD07 series, manufactured by onsemi. It features a 1 x 2:1 configuration designed for SD/SDIO and MMC dual-host applications. The device operates within a supply voltage range of 1.65 V to 3.6 V and supports an operating temperature range from -40°C to +85°C. Packaged in UMLP format, it serves as a signal routing component for memory interfaces.

Feature Summary

• Supports dual-host configurations for SD/SDIO and MMC protocols
• Provides low-voltage operation compatible with modern digital logic levels
• Utilizes compact surface-mount packaging for space-constrained designs

Applications

• SD card interface switching
• SDIO peripheral connection management
• MMC host controller routing

Procurement Notes

Verify current availability status as the component may be discontinued or subject to limited distribution channels. Confirm package type and pinout compatibility during integration planning. Review official datasheets for updated handling and storage requirements specific to this part number before procurement.

Selection Notes

Select this component when designing systems requiring signal path selection between two hosts for single SD/MMC devices. Ensure the application voltage remains within the specified 1.65 V to 3.6 V range. Consider thermal performance and board layout constraints associated with the UMLP package geometry.

Part Context

This part belongs to the FSSD07 series of multiplexer switches intended for portable electronic devices. It addresses the need for flexible memory interface management in mobile platforms where multiple controllers may access shared storage resources.

Replacement Considerations

Check for direct substitutes within the same family or equivalent functional parts from other manufacturers if sourcing is restricted.