The ISL54220 is a single supply dual 2:1 multiplexer that can operate from a single 2.7V to 5.5V supply. It contains two Single Pole/Double Throw (SPDT) switches configured as a DPDT. The part was designed for switching or routing of USB High-Speed signals and/or USB Full-Speed signals in portable battery-powered products. The 6Ω switches can swing rail-to-rail and were specifically designed to pass USB Full-Speed data signals that range from 0V to 3.3V and USB High-Speed data signals that range from 0V to 400mV. They have high bandwidth and low capacitance to pass USB High-Speed data signals with minimal distortion. The digital logic inputs are 1.8V logic compatible when operated with a 2.7V to 3.6V supply. The ISL54220 has an output enable pin to open all the switches. The ISL54220 is available in 10 Ld 1.8mm x 1.4mm µTQFN, 10 Ld TDFN and 10 Ld MSOP packages. It operates over a temperature range of -40 °C to +85 °C.


  • High-speed (480Mbps) and full-speed (12Mbps) signaling capability per USB 2.0
  • 1.8V logic compatible (2.7V to +3.6V supply)
  • Enable pin to open all switches
  • Power OFF protection
  • D-/D+ pins overvoltage tolerant to 5.5V
  • -3dB frequency: 742MHz
  • Low ON capacitance at 240MHz: 4.2pF
  • Low ON-resistance at VDD = 5.5V: 4.5Ω
  • Low ON-resistance at VDD = 3.3V: 6.0Ω
  • Single supply operation (VDD): 2.7V to 5.5V
  • Available in µTQFN, TDFN and MSOP packages
  • Pb-free (RoHS compliant)
  • Compliant with USB 2.0 short circuit and overvoltage requirements without additional external components




  • MP3 and other personal media players
  • Cellular/Mobile phones
  • PDAs
  • Digital cameras and camcorders
  • USB switching


Type Title Date
Datasheet PDF 1.25 MB
Product Advisory PDF 414 KB
Other PDF 293 KB
Product Advisory PDF 363 KB
Product Change Notice PDF 117 KB
Product Change Notice PDF 205 KB
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