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Número de pieza | FSUSB31 | |
Descripción | Low-Power 1-Port Hi-Speed USB 2.0 (480Mbps) Switch | |
Fabricantes | Fairchild Semiconductor | |
Logotipo | ||
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FSUSB31
Low-Power 1-Port Hi-Speed USB 2.0 (480Mbps) Switch
Features
■ Low On capacitance, 3.7pF (typical)
■ Low On resistance, 6.5Ω (typical)
■ Low power consumption (1µA maximum)
– 10µA maximum ICCT over and expanded control
voltage range (VIN = 2.6V, VCC = 4.3V)
■ Wide -3dB bandwidth, > 720MHz
■ 8K I/O to GND ESD protection
■ Power OFF protection when VCC = 0V, D+ / D- pins
can tolerate up to 4.3V
■ Packaged in:
– Pb-Free 8-lead MicroPak™ (1.6 x 1.6mm)
– Pb-Free 8-lead US8
Applications
■ Cell phone, PDA, Digital Camera, and Notebook
■ LCD Monitor, TV, and Set-Top Box
Related Application Notes
■ AN-6022 Using the FSUSB30/31 to Comply with
USB 2.0 Fault Condition Requirements
Ordering Information
Part Number Package
Pb-Free
FSUSB31K8X
MAB08A
Yes
FSUSB31L8X
MAC08A
Yes
Pb-Free package per JEDEC J-STD-020B.
Application Diagram
Description
The FSUSB31 is a low-power, single-port, high-speed
USB 2.0 switch. This part is configured as a single pole,
single-throw switch and is optimized for switching or iso-
lating a high-speed (480Mbps) source or a high-speed
and full-speed (12Mbps) source. The FSUSB31 is com-
patible with the requirements of USB2.0 and features an
extremely low on capacitance (CON) of 3.7pF. The wide
bandwidth of this device (>720MHz) exceeds the band-
width needed to pass the third harmonic, resulting in sig-
nals with minimum edge and phase distortion. Superior
channel-to-channel crosstalk minimizes interference.
The FSUSB31 contains special circuitry on the D+ / D-
pins that allows the device to withstand an over-voltage
condition. This device is also designed to minimize cur-
rent consumption even when the control voltage applied
to the OE pin is lower than the supply voltage (VCC). This
feature is especially valuable for ultra-portable applica-
tions such as cell phones, allowing for direct interface
with the general purpose I/Os of the baseband proces-
sor. Other applications include port isolation and switch-
ing in portable cell phones, PDAs, digital cameras,
printers, and notebook computers.
Package Description
8-Lead US8, JEDEC MO-187, Variation CA 3.1mm Wide
8-Lead MicroPak, 1.6mm Wide
VCC
Base Band
Processor
or FS USB
Controller
FSUSB31
D+
D–
USB
Connector
HS USB
Controller
OE
Figure 1. Typical Application Diagram
MicroPak™ is a trademark of Fairchild Semiconductor Corporation.
© 2006 Fairchild Semiconductor Corporation
FSUSB31 Rev. 1.0.6
www.fairchildsemi.com
1 page USB Hi-Speed Related AC Electrical Characteristics
Symbol Parameter
tSK(O)
tSK(P)
Channel-to-Chan-
nel Skew(5)
Skew of Opposite
Transitions of the
Same Output(5)
tJ Total Jitter(5)
Note:
5. Guaranteed by design.
Conditions
CL = 5pF
VCC (V)
3.0 to 3.6
TA = −40°C to
+85°C
Min. Typ. Max.
50.0
Unit
ps
Figure
Number
Figure 10
Figure 14
CL = 5pF
3.0 to 3.6
20.0
ps
Figure 10
Figure 14
RL = 50Ω, CL = 5pF,
(tRPR=BtFS==520105p−s
at
1)
480
Mbps
3.0 to 3.6
200
ps
Capacitance
Symbol
Parameter
Conditions
CIN
CON
COFF
Control Pin Input Capacitance
D1n, D2n, Dn On Capacitance
D1n, D2n Off Capacitance
VCC = 0V
VCC = 3.3, OE = 0V
VCC and OE = 3.3
TA = −40°C to +85°C
Min. Typ. Max.
1.0
3.7
1.7
Unit
pF
pF
pF
Figure
Number
Figure 19
Figure 18
Figure 19
© 2006 Fairchild Semiconductor Corporation
FSUSB31 Rev. 1.0.6
5
www.fairchildsemi.com
5 Page Tape and Reel Specification
Tape Format for MircoPak
Package
Designator
Tape
Section
Leader (Start End)
L8X Carrier
Trailer (Hub End)
Number
Cavities
125 (typ)
5000
75 (typ)
Tape Dimension
Dimensions are in millimeters unless otherwise specified.
Cavity
Status
Empty
Filled
Empty
Cover Tape
Status
Sealed
Sealed
Sealed
© 2006 Fairchild Semiconductor Corporation
FSUSB31 Rev. 1.0.6
11
www.fairchildsemi.com
11 Page |
Páginas | Total 15 Páginas | |
PDF Descargar | [ Datasheet FSUSB31.PDF ] |
Número de pieza | Descripción | Fabricantes |
FSUSB30 | Low-Power 2-Port Hi-Speed USB 2.0 (480Mbps) Switch | Fairchild Semiconductor |
FSUSB31 | Low-Power 1-Port Hi-Speed USB 2.0 (480Mbps) Switch | Fairchild Semiconductor |
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