FSTU3125 - 4-Bit Bus Switch with −2V Undershoot Protection

Datasheet Summary

Description

The Fairchild Switch FSTU3125 provides four high-speed CMOS TTL-compatible bus switches.

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 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	FSTU3125
Manufacturer	Fairchild Semiconductor
File Size	136.55 KB
Description	4-Bit Bus Switch with −2V Undershoot Protection
Datasheet	FSTU3125 Datasheet
Additional preview pages of the FSTU3125 datasheet.

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Full PDF Text Transcription

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FSTU3125 4-Bit Bus Switch with −2V Undershoot Protection June 2001 Revised August 2001 FSTU3125 4-Bit Bus Switch with −2V Undershoot Protection General Description The Fairchild Switch FSTU3125 provides four high-speed CMOS TTL-compatible bus switches. The low On Resistance of the switch allows inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise. The A and B Ports are protected against undershoot to support an extended range to 2.0V below ground. Fairchild’s integrated Undershoot Hardened Circuit (UHC) senses undershoot at the I/O and responds by preventing voltage differentials from developing and turning the switch on. The device is organized as four 1-bit switches with separate OE inputs.

Published: Mar 23, 2005 |