FSTU3257 - Quad 2:1 Multiplexer/Demultiplexer Bus Switch with -2V Undershoot Protection

Datasheet Summary

Description

The Fairchild Switch FSTU3257 is a quad 2:1 high-speed CMOS TTL-compatible multiplexer/demultiplexer bus switch.

The low on resistance of the switch allows inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise.

Features

s Undershoot hardened to.
2V (A and B Ports) s Soft enable turn-on to minimize bus to bus charge sharing during enable s 4Ω switch connection between two ports. s Minimal propagation delay through the switch. s Low lCC. s Zero bounce in flow-through mode. s Control inputs compatible with TTL level. s See.

Fairchild Semiconductor

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Datasheet Details

Part number	FSTU3257
Manufacturer	Fairchild Semiconductor
File Size	89.02 KB
Description	Quad 2:1 Multiplexer/Demultiplexer Bus Switch with -2V Undershoot Protection
Datasheet	FSTU3257 Datasheet
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Full PDF Text Transcription

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FSTU3257 Quad 2:1 Multiplexer/Demultiplexer Bus Switch with −2V Undershoot Protection August 1999 Revised April 2000 FSTU3257 Quad 2:1 Multiplexer/Demultiplexer Bus Switch with −2V Undershoot Protection General Description The Fairchild Switch FSTU3257 is a quad 2:1 high-speed CMOS TTL-compatible multiplexer/demultiplexer bus switch. The low on resistance of the switch allows inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise. When OE is LOW, the select pin connects the A Port to the selected B Port output. The A and B Ports are “undershoot hardened” with UHC protection to support an extended range of 2.0V below ground.

Published: Mar 23, 2005 |