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The PI4ULS5V106 supports up to 100MHz up translation and greater than 100MHz down translation at ≤ 30pF cap load and up to 40MHz up/down translation at 50pF cap load which allows the LSF family to support more consumer or telecom interfaces (MDIO or SDIO). It has bidirectional voltage translation without the need for DIR pin which minimizes system effort (for PMBus, I2C, or SMbus).

The PI4ULS5V106 supports 5V tolerance on IO port which makes it compatible with TTL levels in industrial and telecom applications. It is able to set up different voltage translation levels on each channel which makes it very flexible.


  • PC
  • Server
  • Networking
  • Automotive
  • Docking


  • Provides Bidirectional Voltage Translation With No Direction Pin
  • Supports Up to 100MHz Up Translation and Greater Than 100MHz Down Translation at ≤ 30pF Cap Load and Up To 40MHz Up/Down Translation at 50pF Cap Load
  • Supports Hot Insertion
  • Allow Bidirectional Voltage Level Translation Between
    • 0.95 V ↔ 1.8/2.5/3.3/5V
    • 1.2 V ↔ 1.8/2.5/3.3/5V
    • 1.8 V ↔ 2.5/3.3/5V
    • 2.5 V ↔ 3.3/5V
    • 3.3 V ↔ 5V
  • Low Standby Current

Product Specifications

Product Parameters

Translation From (V) 0.95 to 3.3
Translation To (V) 1.8 to 5
Auto Direction Sensing? 1
Shift Bi-Directional
Max Signal Rate 100Mhz
Prop Delay 2.2ns
Bits Needed 6
Temperature -40 to 125

Technical Documents

Design tool model software

Recommended Soldering Techniques
Orderable Part Number Status Package Environmental Compliance Packing Buy from Distributor /
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Qty. Carrier
PI4ULS5V106ZHDEX Active U-QFN3030-16 Totally 3500 T&R Request Sample

Environmental Compliance Legend:
GREEN: Halogen-free and RoHS compliant
RoHS: RoHS compliant but NOT halogen-free