HomedatasheetQS3257

QS3257 Datasheet

Encoders, Decoders, Multiplexers & Demultiplexers
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Description

The QS3257 is a high-speed CMOS LVTTL-compatible Quad 2:1 multiplexer/demultiplexer. The QS3257 is a function and pinout compatible QuickSwitch version of the 74F257, 74FCT257, and the 74ALS/AS/LS257 Quad 2:1 multiplexers. The low ON resistance of the QS3257 allows inputs to be connected to outputs without adding propagation delay and without generating additional ground bounce noise. QS3257 Features • Enhanced N channel FET with no inherent diode to Vcc• 5Ω bidirectional switches connect inputs to outputs• Pin compatible with the 74F257, 74FCT257, and 74FCT257T• Zero propagation delay, zero ground bounce• Undershoot clamp diodes on all switch and control inputs• TTL-compatible control inputs• Available in SOIC, QSOP, and S1 packages QS3257 Applications • Logic replacement• Video, audio, graphics switching, muxing• Hot-swapping, hot-docking• Voltage translation (5V to 3.3V)• Bus funneling
Features

Parameters

[{"Name":"Number of Lines (Input / Output):","Value":"2 / 1"},{"Name":"Propagation Delay Time:","Value":"0.25 ns"},{"Name":"Supply Voltage - Max:","Value":"5.25 V"},{"Name":" Supply Voltage - Min:","Value":"4.75 V"},{"Name":"Maximum Operating Temperature:","Value":"+ 85 C"},{"Name":"Minimum Operating Temperature:","Value":"- 40 C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

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