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PI5C3253LE bảng dữ liệu(PDF) 1 Page - Pericom Semiconductor Corporation |
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PI5C3253LE bảng dữ liệu(HTML) 1 Page - Pericom Semiconductor Corporation |
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1 / 6 page  1 PS7017C 09/14/04 PI5C3253 Dual 4:1 Mux/DeMux Bus Switch Features • Near-Zero propagation delay • 5Ω switches connect inputs to outputs • Direct bus connection when switches are ON • Ultra Low Quiescent Power (0.2µA Typical) – Ideally suited for notebook applications • Pin compatible with 74 series 253 logic devices • Packaging (Pb-free & Green available): – 16-pin 150-mil wide plastic QSOP (Q) – 16-pin 300-mil wide plastic SOIC (S) – 16-pin 150-mil wide plastic SOIC (W) – 16-pin 173-mil wide plastic TSSOP (L) Block Diagram Truth Table(1) Enable Select EA EB S1 S0 YA YB Function H X X X Hi-Z X Disable A X H X X X Hi-Z Disable B L L L L IA0 IB0 S1-0 = 0 L L L H IA1 IB1 S1-0 = 1 L L H L IA2 IB2 S1-0 = 2 L L H H IA3 IB3 S1-0 = 3 Description Pericom Semiconductor’s PI5C3253 is a Dual 4:1 Multiplexer/ demultiplexer with three-state outputs that is pinout compatible with the PI74FCT253T, 74F253, and 74ALS/AS/LS 253. Inputs can be connected to outputs with low on resistance (5Ω) with no additional ground bounce noise or propagation delay. Pin Configuration Pin Description Pin Name Description IAn, IBn Data Inputs S0–1 Select Inputs EA, EB Enable YA, YB Data Outputs GND Ground VCC Power Note: 1. H = High Voltage Level, L = Low Voltage Level EA IA0 IA1 IA2 IA3 IB0 IB1 IB2 IB3 EB S0 S1 YA YB VCC EA 1 EB S1 2 S0 IA3 3 IB3 IA2 4 IB2 IA1 5 16 IB1 IA0 6 15 IB0 YA 7 14 YB 8 13 12 GND 11 10 9 |
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