Fairchild FSUSB22 Data Sheet
Summary
This low-power, high-speed USB 2.0 switch expertly manages dual channels at 480Mbps, ideal for reliable connectivity in portable consumer devices. The comprehensive manual serves as a complete datasheet for hardware engineers, detailing electrical characteristics, absolute maximum ratings, logic diagrams, and multiple package options (QSOP, TSSOP). It provides all necessary specifications to ensure optimal integration into applications like smartphones, digital cameras, PDAs, and notebook computers requiring stable USB I/O switching.
Page 1 Text Content
FSU SB 22 — Low -Pow er, 2-Port, H igh-Speed U SB 2.0 (480M bps) Sw itch
March 2008
FSUSB22 — Low-Power, 2-Port, High-Speed USB 2.0 (480Mbps) Switch Features Description
-40d B Off Isolation at 250MHz FSUSB22 is a low-power, high-bandwidth switch specially designed for applications switching high-speed
-40d B Non-adjacent Channel Crosstalk at 250MHz
USB 2.0 signals in handset and consumer applications; such as cell phone, digital camera, and notebook with
On Resistance: 4.5Ω Typical (RON)
hubs or controllers of limited USB I/O. The wide
-3d B Bandwidth: 750MHz bandwidth (750MHz) allows signals to pass with
minimum edge and phase distortion. Superior channel-
Low-Power Consumption: 1µA Maximum
to-channel crosstalk results in minimal interference. It is
Control Input: TTL Compatible compatible with the USB2.0 Hi-Speed standard. Bi-directional Operation USB High-Speed and Full-Speed Signaling Capability
Applications Cell Phones, PDAs, Digital Cameras, Notebook Computers
Ordering Information
Operating
Part Number Temperature Package Packing
Method
Range
Tape and
FSUSB22BQX -40 to +85°C 16-Terminal Depopulated Quad Very-Thin Flat Pack No Leads
(DQFN), JEDEC MO-241, 2.5 x 3.5mm Reel
FSUSB22QSC -40 to +85°C 16-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137,
0.150-inch Wide Tube
Tape and
FSUSB22QSCX -40 to +85°C 16-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137,
0.150-inch Wide Reel
FSUSB22MTC -40 to +85°C 16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC
MO-153, 4.4mm Wide Tube 16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC Tape and
FSUSB22MTCX -40 to +85°C
MO-153, 4.4mm Wide Reel
All packages are lead free per JEDEC: J-STD-020B standard.
©2005Fairchild Semiconductor Corporation www.fairchildsemi.com FSUSB22 • Rev. 1.0.3
Page Summary Contents For Fairchild FSUSB22 Data Sheet
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 12 |
| File Size | 547.71 KB |
| Published | July 15, 2026 |
Enter the captcha to get the download link:
Frequently Asked Questions
What bandwidth does the FSUSB22 provide?
It features a 750MHz bandwidth to pass signals with minimum edge and phase distortion.
Which types of devices can use this USB switch?
This switch is intended for applications such as cell phones, PDAs, digital cameras, and notebook computers.
What should happen if I have unused control inputs?
Unused control inputs must be held explicitly HIGH or LOW; they cannot float.