1

High-Speed USB 2.0 (480Mbps) Multiplexer

ISL54220

The Intersil ISL54220 is a single supply dual 2:1

multiplexer that can operate from a single 2.7V to 5.5V

supply. It contains two SPDT (Single Pole/Double

Throw) 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 1.8mmx1.4mm

µTQFN, 10 Ld TDFN and 10 Ld MSOP packages. It

operates over a temperature range of -40 to +85°C.

Related Literature

• Technical Brief TB363 “Guidelines for Handling and

Processing Moisture Sensitive Surface Mount Devices

(SMDs)”

• Application Note AN1449 “ISL54220IRUEVAL1Z

Evaluation Board User’s Manual”

Features

• 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 @ 240MHz . . . . . . . . . 4.2pF

• Low ON-Resistance @ VDD = 5.5V . . . . . . . 4.5Ω

• Low ON-Resistance @ VDD = 3.3V . . . . . . . 6.0Ω

• 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

Applications*(see page 15)

• MP3 and other Personal Media Players

• Cellular/Mobile Phones

•PDA’s

• Digital Cameras and Camcorders

• USB Switching

Application Block Diagram

USB 2.0 HS Eye Pattern With

Switches In The Signal Path

ISL54220

USB

TRANSCEIVER

HIGH-SPEED

D-

D+

SEL

GND

HSD1-

HSD1+

HSD2-

HSD2+

OE

LOGIC

µCONTROLLER

USB

TRANSCEIVER

FULL-SPEED

VBUS

D-

D+

GND

OR

FULL-SPEED

HIGH_SPEED

OR

PORTABLE MEDIA DEVICE

TIME SCALE (0.2ns/DIV)

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774

Copyright Intersil Americas Inc. 2008, 2010. All Rights Reserved

All other trademarks mentioned are the property of their respective owners.

February 4, 2010

FN6819.1