PI3B3251

PI3B3251 3.3V, 8:1 Mux/DeMux NanoSwitch™ Features Near-Zero propagation delay 5Ω switches connect inputs to outputs Ultra Low Quiescent Power (0.1μA typical) – Ideally suited for notebook applications Pin compatible with 74 series 251 logic devices Packaging (Pb-free & Green available): – 16-pin 150-mil wide plastic QSOP (Q) – 16-pin 173-mil wide plastic TSSOP (L) Description Pericom Semiconductor’s PI3B3251 is a 3.3VDual 8:1 Multiplexer/ Demultiplexer with three-state outputs that is pinout compatible with the PI74FCT251T, 74F251, and 74ALS/AS/LS 251. Inputs can be connected to outputs with low On-Resistance (5Ω) with no additional ground bounce noise or propagation delay. Block Diagram Pin Configuration I0 I1 I2 I3 I4 I5 I6 I7 I3 1 16 VCC SW E SW SW S0 SW I2 2 15 I4 SW I1 3 14 I5 I0 4 13 I6 S1 SW Y5 12 I7 IY SW S2 NC 6 11 S0 SW SW E E7 10 S1 GND 8 9 S2 Y Truth Table(1) Select EY S2 S1 S0 H X X X Hi-Z L L L L I0 L L L H I1 L L H L I2 L L H H I3 L H L L I4 L H L H I5 L H H L I6 L H H H I7 Function Disable S2-0 = 0 S2-0 = 1 S2-0 = 2 S2-0 = 3 S2-0 = 4 S2-0 = 5 S2-0 = 6 S2-0 = 7 Note: 1. H = High Voltage Level, L = Low Voltage Level 09-0037 Pin Description Pin Name I0–7 S0–2 E Data Inputs Select Inputs Enable Description Y Data Outputs GND Ground VCC Power NC No Connect 1 PS8150G 03/02/09 PI3B3251 3.3V, 8:1 Mux/DeMux NanoSwitch™ Maximum Ratings (Above which the useful life may be impaired. For user guidelines, not tested.) S...