PI3B3257A

PI3B3257A 3.3V, Quad 2:1 Mux/DeMux NanoSwitch™ Features Near-Zero propagation delay 5Ω switches connect inputs to outputs   Fast Switching Speed: 4.8ns max.   Ultra-Low Quiescent Power: 0.1µA typical – Ideally suited for notebook applications Pin compatible with 74 series 257 logic devices Packaging (Pb-free & Green): – 16-pin 150 mil wide plastic QSOP (Q) Description Pericom Semiconductor’s PI3B3257A is a 3.3 Volt, Quad 2:1 multiplexer/demultiplexer with three-state outputs that is pinout and function compatible with the PI74FCT257T, 74F257, and 74ALS/AS/LS257. Inputs can be connected to outputs with low On-Resistance (5Ω) with no additional ground bounce noise or propagation delay. Block Diagram Pin Configuration IA0 IA1 IB0 IB1 IC0 IC1 ID0 ID1 SW SW E SW SW SW S SW SW SW YA YB SW YC YD IY E Truth Table(1) E S YA YB H X Hi-Z Hi-Z L L IA0 IB0 L H IA1 IB1 Note: 1. H = High Voltage Level L = Low Voltage Level YC Hi-Z IC0 IC1 YD Hi-Z ID0 ID1 Function Disable S=0 S=1 S IA0 IA1 YA IB0 IB1 YB GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Pin Description Pin Name IAN-IDN S E YA-YD GND VCC NC Description Data Inputs Select Inputs Enable Data Outputs Ground Power No Connect VCC E ID0 ID1 YD IC0 IC1 YC 11-0009 1 01/10/11 PI3B3257A 3.3V, Quad 2:1 Mux/DeMux NanoSwitch™ Maximum Ratings (Above which the useful life may be impaired. For user guidelines, not tested.) Storage Temperature....................................................................