Diodes Incorporated
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PI3B33X257 (Obsolete)

3.3V 24:12 Mux/DeMux Bus Switch

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Product Description

The PI3B33X257 is a 3.3V, 24:12 multiplexer/ demultiplexer with three-state outputs. Inputs can be connected to outputs with low on resistance (5Ω) with no additional ground bounce noise or propagation delay.


  • 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
  • TTL - compatible control of input levels
  • Fast switching speed - 4.5ns max.
  • Packaging (Pb-free & Green available):
    • 48-pin 150-mil wide BQSOP (B)

Product Specifications

Product Parameters

Configuration Mux: 1 24-Channel
Differential Channels N/A
HotInsertion 0
Lanes N/A
OtherFeatures N/A
RailToRail 0
Signal Type Single Ended
Single Ended Channels 24
Type N/A
Voltage 3.3

Technical Documents

Design tool model software

Recommended Soldering Techniques


Additional Technical Documents are available upon request: 
Application information, Evaluation board, and Other technical documents

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