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QS3257 - HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX

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Description

The QS3257 is a high-speed CMOS LVTTL-compatible Quad 2:1 multiplexer/demultiplexer.TheQS3257isafunctionandpinoutcompatibleQuickSwitch version of the 74F257, 74FCT257, and the 74ALS/AS/LS257 Quad 2:1 multiplexers.

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Datasheet Details

Part number QS3257
Manufacturer IDT
File Size 46.82 KB
Description HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX
Datasheet download datasheet QS3257 Datasheet
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Full PDF Text Transcription

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QUICKSWITCH® PRODUCTS HIGH-SPEED CMOS QUICKSWITCH QUAD 2:1 MUX/DEMUX QS3257 QS32257 FEATURES/BENEFITS • 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 • TTL-compatible control inputs • Undershoot clamp diodes on all switch and control pins • Available in SOIC (S1), QSOP • QS32257 is 25Ω version for low noise APPLICATIONS • Logic replacement • Video, audio, graphics switching, muxing • Hot-swapping, hot-docking (Application Note AN-13) • Voltage translation (5V to 3.3V; Application Note 11) • Bus funneling DESCRIPTION The QS3257 is a high-speed CMOS LVTTL-compatible Quad 2:1 multiplexer/demultiplexer.
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