FSSD07UMX_F113

Overview

The FSSD07UMX_F113 is a dual-host multiplexer switch IC from the FSSD07 series, manufactured by onsemi. It functions as a 1-bit or 4-bit SD/SDIO and MMC dual-host multiplexer. The device features two channels with a 1 x 2:1 configuration. It is designed for applications requiring signal routing between multiple hosts and storage interfaces.

Feature Summary

• Supports dual-host configurations for SD, SDIO, and MMC interfaces
• Provides multiplexing functionality for 1-bit and 4-bit data paths
• Integrates two independent channels within a single integrated circuit

Applications

• Dual-host SD card interface systems
• SDIO peripheral connection management
• MMC storage controller routing

Procurement Notes

Verify component authenticity through authorized distributors due to end-of-life status. Confirm package integrity and pin alignment against original datasheet specifications. Check for obsolescence notices or last-time-buy deadlines from onsemi before finalizing procurement plans.

Selection Notes

Select this component when designing systems requiring signal switching between two host controllers for SD, SDIO, or MMC protocols. Ensure voltage levels and timing requirements match the specific memory interface standards being utilized in the target application design.

Part Context

This part belongs to the FSSD07 series of multiplexer switches. It is categorized under Switch ICs and Multiplexers. The manufacturer is onsemi, formerly associated with Fairchild Semiconductor branding in some documentation contexts.