QS32257

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.TheQS3257isafunctionandpinoutcompatibleQuickSwitch 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 ...