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PI3B3251 - 8:1 Mux/DeMux NanoSwitch

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General 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.

Overview

PI3B3251 3.3V, 8:1 Mux/DeMux NanoSwitch™.

Key Features

  • Near-Zero propagation delay.
  • 5Ω switches connect inputs to outputs.
  • Ultra Low Quiescent Power (0.1μA typical).
  • Ideally suited for notebook.

More Datasheets from Pericom Semiconductor (now Diodes Incorporated)

Part Number Description
PI3B3253 Mux/DeMux NanoSwitch
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PI3B32384 10-Bit 2-Port NanoSwitch
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PI3B32X245 Hot Insertion 16-Bit 2-Port Bus Switch
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