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PI3B3257AQE Datasheet(PDF) 1 Page - Pericom Semiconductor Corporation |
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PI3B3257AQE Datasheet(HTML) 1 Page - Pericom Semiconductor Corporation |
1 / 4 page 1 01/10/11 Pin Description Pin Name Description IAN-IDN Data Inputs S Select Inputs E Enable YA-YD Data Outputs GND Ground VCC Power NC No Connect 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 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) Pin Configuration Note: 1. H = High Voltage Level L = Low Voltage Level E IA0 IA1 IB0 IB1 IC0 IC1 ID0 ID1 S YA YB YC YD I Y E SW SW SW SW SW SW SW SW SW Truth Table(1) E S YA YB YC YD Function H X Hi-Z Hi-Z Hi-Z Hi-Z Disable L L IA0 IB0 IC0 ID0 S = 0 L H IA1 IB1 IC1 ID1 S = 1 VCC S 1 E IA0 2 ID0 I A1 3 ID1 YA 4 YD I B0 5 16 IC0 I B1 6 15 IC1 YB 7 14 YC 8 13 12 GND 11 10 9 PI3B3257A 3.3V, Quad 2:1 Mux/DeMux NanoSwitch™ 11-0009 |
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