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FSTU3257QSC from FSC,Fairchild Semiconductor

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FSTU3257QSC

Manufacturer: FSC

Quad 2:1 Multiplexer/Demultiplexer Bus Switch with -2V Undershoot Protection

Partnumber Manufacturer Quantity Availability
FSTU3257QSC FSC 536 In Stock

Description and Introduction

Quad 2:1 Multiplexer/Demultiplexer Bus Switch with -2V Undershoot Protection **Introduction to the FSTU3257QSC from Fairchild Semiconductor**  

The **FSTU3257QSC** is a high-performance, low-power dual supply bus switch from Fairchild Semiconductor, designed for seamless signal routing in digital systems. This component features two independently selectable 1-bit bus switches, enabling bidirectional data flow with minimal propagation delay and low on-state resistance.  

Operating across a wide voltage range, the FSTU3257QSC supports mixed-voltage applications, making it suitable for interfacing between different logic levels. Its advanced CMOS technology ensures low power consumption while maintaining high-speed switching performance. The device includes an output disable function, allowing for isolation between buses when not in use.  

Key features include **5V-tolerant inputs**, **low charge injection**, and **ESD protection**, enhancing reliability in sensitive circuits. The compact **QSC package** (QFN) offers space-saving benefits, ideal for modern high-density PCB designs.  

Common applications include **data multiplexing, hot-swapping, and signal gating** in computing, telecommunications, and embedded systems. With its robust design and efficient performance, the FSTU3257QSC is a versatile solution for managing digital signal paths in demanding electronic environments.  

Fairchild Semiconductor’s commitment to quality ensures that this component meets industry standards for durability and precision, making it a dependable choice for engineers and designers.

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