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Manufacturer Part #


Quad 2:1 3.3 V 5 Ohm SMT 3-State Output Multiplexer / Demultiplexer - QSOP-16

Mfr. Name: Pericom Saronix-eCera
Standard Pkg:
Date Code: 1717
Product Specification Section
Technical Attributes
Attributes Table
Type: Mux/Demux
Configuration: 4 x 2:1
No of Channels: 8
Supply Voltage: 2.97V to 3.63V
ON Resistance:
Package Style:  QSOP-16
Mounting Method: Surface Mount
Features & Applications

The PI3B3257QEX is a quad 4 channel 2:1 multiplexer/demultiplexer nono switch with three state outputs. It is available in 16 pin QSOP package. 

This switch is pinout compatible with the P174FCT257T, 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.  


  • Nero-zero propagation delay
  • 5 Ω switching connect inputs to outputs
  • Fast switching speed: 4.8 ns max
  • Ultra low quiescent power (0.1 uA 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
Pricing Section
Web Price:
$0.44 USD Each
Cost Per Unit
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Tariff charges may apply if shipping to the United States. An estimate of tariff charges will be calculated at checkout.

$7.00 reeling fee is amortized over the number of components for each reel.
Mini-Reels are a custom product and are non-cancelable and non-returnable.