FSUSB22 - Fairchild Semiconductor

FSUSB22 — Low-Power, 2-Port, High-Speed USB 2.0
(480Mbps) Switch
Features
ƒ -40dB Off Isolation at 250MHz
ƒ -40dB Non-adjacent Channel Crosstalk at 250MHz
ƒ On Resistance: 4.5Ω Typical (RON)
ƒ -3dB Bandwidth: 750MHz
ƒ Low-Power Consumption: 1µA Maximum
ƒ Control Input: TTL Compatible
ƒ Bi-directional Operation
ƒ USB High-Speed and Full-Speed Signaling
Description
FSUSB22 is a low-power, high-bandwidth switch
specially designed for applications switching high-speed
USB 2.0 signals in handset and consumer applications;
such as cell phone, digital camera, and notebook with
hubs or controllers of limited USB I/O. The wide
bandwidth (750MHz) allows signals to pass with
minimum edge and phase distortion. Superior channelto-channel crosstalk results in minimal interference. It is
compatible with the USB2.0 Hi-Speed standard.
.
Capability
Applications
ƒ Cell Phones, PDAs, Digital Cameras, Notebook
Computers
Ordering Information
Part Number
Operating
Temperature
Range
FSUSB22BQX
-40 to +85°C
16-Terminal Depopulated Quad Very-Thin Flat Pack No Leads
(DQFN), JEDEC MO-241, 2.5 x 3.5mm
FSUSB22QSC
-40 to +85°C
16-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137,
0.150-inch Wide
Tube
FSUSB22QSCX
-40 to +85°C
16-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137,
0.150-inch Wide
Tape and
Reel
FSUSB22MTC
-40 to +85°C
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC
MO-153, 4.4mm Wide
FSUSB22MTCX
-40 to +85°C
Package
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC
MO-153, 4.4mm Wide
Packing
Method
Tape and
Reel
Tube
Tape and
Reel
All packages are lead free per JEDEC: J-STD-020B standard.
©2005Fairchild Semiconductor Corporation
FSUSB22 • Rev. 1.0.3
www.fairchildsemi.com
FSUSB22 — Low-Power, 2-Port, High-Speed USB 2.0 (480Mbps) Switch
March 2008
Analog Symbol
D-
USB
Port
D+
Docking Station
D+
USB
Port
D-
S
VCC
1
16
1B1 2
15 /OE
1B2 3
14 4B1
1A
4
13 4B2
2B1 5
12 4A
2B2 6
11 3B1
2A
10 3B2
Docking Connector
USB 2.0
Host
Controller
D+
D+
D-
D-
D+
FSUSB22
USB
Port
D+
D-
D-
USB
Port
7
Notebook Computer
Figure 1. Logic Diagram
1
S
1B1
2
1B2
16
8
9
GND
3A
Figure 2.
VCC
Analog Symbol
S
VCC
1
16
15
/OE
1B1 2
15 /OE
3
14
4B1
1B2 3
14 4B1
1A
4
13
4B2
1A
13 4B2
2B1
5
12
4A
2B1 5
12
2B2
6
11
3B1
2B2 6
11 3B1
2A
7
10
3B2
9
3A
8
GND
FSUSB22 — Low-Power, 2-Port, High-Speed USB 2.0 (480Mbps) Switch
Logic Diagram
2A
Figure 3. QSOP and TSSOP Pin Configuration
4
4A
10 3B2
7
8
9
GND
3A
Figure 4. Pad Assignment for DQFN
Pin Descriptions
Pin #
Pin Names
Description
1
S
Select Input
2,3,5,6,10,11,13,14
1B1,1B2, 2B1,2B2,3B2,3B1,4B2,4B1
Bus B
8
GND
Ground
4,7,9,12
1A,2A,3A,4A
Bus A
15
/OE
Bus Switch Enable
16
VCC
Supply Voltage
S
OE
Function
Don’t Care
HIGH
Disconnect
LOW
LOW
A=B1
HIGH
LOW
A=B2
Truth Table
© 2005 Fairchild Semiconductor Corporation
FSUSB22 • Rev. 1.0.3
www.fairchildsemi.com
2
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be
operable above the recommended operating conditions and stressing the parts to these levels is not recommended.
In addition, extended exposure to stresses above the recommended operating conditions may affect device
reliability. The absolute maximum ratings are stress ratings only.
Symbol
Parameter
Min.
Max.
Unit
-0.5
4.6
V
VCC + 0.05
V
VCC
Supply Voltage
VS
DC Switch Voltage
-0.5
VIN
DC Input Voltage
(1)
-0.5
4.6
V
IIK
DC Input Diode Current, VIN<0V
-50
mA
DC Output Sink Current
128
mA
IOUT
ICC / IGND
DC VCC / GND Current
TSTG
Storage Temperature Range
ESD
Human Body Model, JESD22-A114
-65
±100
mA
+150
°C
4
kV
Note:
1. The input and output negative voltage ratings may be exceeded if the input and output diode current ratings are
observed.
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended
operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not
recommend exceeding them or designing to Absolute Maximum Ratings.
Symbol
Parameter
VCC
Power Supply Operating
VIN
Input Voltage
VOUT
Min.
Output Voltage
Switch Control Input
tr , tf
Input Rise and Fall Time
TA
Operating Temperature, Free Air
(2)
Switch I/O
Max.
Unit
3.0
3.6
V
0
VCC
V
0
VCC
V
0
5
0
DC
-40
+85
ns/V
FSUSB22 — Low-Power, 2-Port, High-Speed USB 2.0 (480Mbps) Switch
Absolute Maximum Ratings
°C
Note:
2. Unused control inputs must be held HIGH or LOW. They may not float.
© 2005 Fairchild Semiconductor Corporation
FSUSB22 • Rev. 1.0.3
www.fairchildsemi.com
3
Typical values are at VCC = 3.0V and TA = 25°C.
Symbol
VIK
Parameter
Conditions
Clamp Diode Voltage
IIN = -18mA
VCC (V)
TA=-40 to +85°C
Min.
Typ.
3.0
Units
Max.
-1.2
V
VIH
High-Level Input Voltage
3.0 to 3.6
VIL
Low-Level Input Voltage
3.0 to 3.6
0.8
V
IIN
Input Leakage Current
0 ≤ VIN ≤ 3.6V
3.6
±1.0
µA
IOFF
Off-state Leakage
Current
0 ≤ A, B ≤ VCC
3.6
±1.0
µA
RON
Switch On Resistance
VIN = 0.8V, ION = 8mA
3.0
5
7
VIN = 3.0V, ION = 8mA
3.0
4.5
6.5
VIN = 0.8V, VIN = 0V - 1.5,
ION = 8mA
3.0
0.3
Ω
IOUT = 8mA
3.0
1
Ω
VIN = VCC or GND,
IOUT = 0
3.6
ΔRON
RFLAT(ON)
ICC
(3)
Delta RON
On Resistance Flatness
(4)
Quiescent Supply Current
2.0
V
1
µA
Notes:
3. Measured by the voltage drop between the A and B pins at the indicated current through the switch. On
resistance is determined by the lower of the voltages on the A or B pins.
4. Flatness is defines as the difference between the maximum and the minimum value on resistance over the
specified range of conditions.
© 2005 Fairchild Semiconductor Corporation
FSUSB22 • Rev. 1.0.3
Ω
FSUSB22 — Low-Power, 2-Port, High-Speed USB 2.0 (480Mbps) Switch
DC Electrical Characteristics
www.fairchildsemi.com
4
Typical values are at VCC = 3.0V and TA = 25°C.
Symbol
Parameter
Conditions
VCC(V)
Min.
Typ.
Max.
Units
Figure
tON
Turn-on Time
S-to-Bus B
3.0 to 3.6
4.5
6.0
ns
Figure 9
Figure 10
tOFF
Turn-off Time
S-to-Bus B
3.0 to 3.6
2.5
4.0
ns
Figure 9
Figure 10
tPD
Propagation Delay
CL = 10pF
3.0 to 3.6
0.25
ns
Figure 14
OIRR
Non-Adjacent Off
Isolation
f = 250MHz,
RL = 50Ω
3.0 to 3.6
-30
dB
Figure 11
XTALK
Non-Adjacent
Channel Crosstalk
f = 250MHz,
RL = 50Ω
3.0 to 3.6
-38
dB
Figure 12
-3dB Bandwidth
RL = 50Ω
3.0 to 3.6
750
MHz
Figure 13
Units
Figure
BW
USB Related AC Electrical Characteristics
Typical values are at VCC = 3.0V and TA = 25°C.
Symbol
Parameter
tSK(O)
Channel-to Channels
Skew
CL = 10pF
3.0 to 3.6
0.051
pF
Figure 14
Figure 16
tSK(P)
Skew of Opposite
Transition of the
Same Output
CL = 10pF
3.0 to 3.6
0.020
pF
Figure 14
Figure 16
Total Jitter
RL = 50Ω,
CL = 10pF
tR = tF = 750ps
at 480MPs
3.0 to 3.6
0.210
TJ
Conditions
VCC (V)
Min.
Typ.
Max.
FSUSB22 — Low-Power, 2-Port, High-Speed USB 2.0 (480Mbps) Switch
AC Electrical Characteristics
Capacitance
Typical values are at VCC = 3.0V and TA = 25°C.
Symbol
Parameter
Conditions
Typ.
Unists
CIN
Control Pin Input Capacitance
VCC = 0V
2.5
pF
CON
A/B On Capacitance
VCC = 3.3V, /OE = 0V
12
pF
COFF
Port B Off Capacitance
VCC and /OE = 3.3V
4.5
pF
© 2005 Fairchild Semiconductor Corporation
FSUSB22 • Rev. 1.0.3
www.fairchildsemi.com
5
Figure 5.
Gain vs. Frequency
Figure 6. Off Isolation
Figure 7. Crosstalk
© 2005 Fairchild Semiconductor Corporation
FSUSB22 • Rev. 1.0.3
FSUSB22 — Low-Power, 2-Port, High-Speed USB 2.0 (480Mbps) Switch
Performance Characteristics
Figure 8. RON
www.fairchildsemi.com
6
FSUSB22 — Low-Power, 2-Port, High-Speed USB 2.0 (480Mbps) Switch
AC Loadings and Waveforms
A
B1
B2
10pF
50Ω
Control
GND
S /OE
Notes: Input driven by 50Ω source terminated in 50Ω.
CL includes load and stray capacitance.
Input PRR-1.0MHz, tW = 500ns.
Figure 9. AC Test Circuit
tr = 2.5ns
90%
SELECT
INPUT
90%
1.5V
tf = 2.5ns
3.0V
1.5V
10%
10%
tON
GND
t OFF
90%
90%
VOH
OUTPUT
VOL
Figure 10. AC Waveforms
B1
B1
A
A
100Ω
50Ω
100Ω
50Ω
B2
50
50Ω
S
Control
S
/OE
/OE
Figure 11. Off Isolation Test
© 2005 Fairchild Semiconductor Corporation
FSUSB22 • Rev. 1.0.3
Control
Figure 12. Crosstalk Test
www.fairchildsemi.com
7
A
B
Monitor
50Ω
S
Control
GND
/OE
Figure 13. Bandwidth Test
800mV
50%
Input
400mV
50%
tPLH
tPHL
VOH
50%
Output
50%
VOL
Figure 14. Propagation Delay
800mV
50%
50%
Input
400mV
0
tPHL
tPLH
VOH
50%
50%
FSUSB22 — Low-Power, 2-Port, High-Speed USB 2.0 (480Mbps) Switch
AC Loadings and Waveforms
Output
VOL
tSK(P) = | tPHL - tPHL |
Figure 15. Pulse Skew tSP(P)
800mV
50%
50%
Input
400mV
tPHL1
tPLH1
0
50%
50%
Output 1
tSK(O)
tSK(O)
50%
50%
Output 2
tPHL2
tPLH2
tSK(O) = | tPLH1 - tPLH2 | or | tPHL1 - tPHL2 |
Figure 16. Output Skew tSK(O)
© 2005 Fairchild Semiconductor Corporation
FSUSB22 • Rev. 1.0.3
www.fairchildsemi.com
8
FSUSB22 — Low-Power, 2-Port, High-Speed USB 2.0 (480Mbps) Switch
Physical Dimensions
Figure 17. 16-Terminal Depopulated Quad Very-Thin Flat Pack No Leads (DQFN), JEDEC MO-241,2.5 x 3.5mm
Note: click here for tape and reel specifcations, available at:
http://www.fairchildsemi.com/products/analog/pdf/MLP16_25x35_TNR.pdf
Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner
without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify
or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically
the warranty therein, which covers Fairchild products.
Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings:
http://www.fairchildsemi.com/packaging/
© 2005 Fairchild Semiconductor Corporation
FSUSB22 • Rev. 1.0.3
www.fairchildsemi.com
9
LAND PATTERN
RECOMMENDATION
TOP VIEW
END VIEW
SIDE VIEW
FSUSB22 — Low-Power, 2-Port, High-Speed USB 2.0 (480Mbps) Switch
Physical Dimensions
DETAIL A
Figure 18. 16-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150-inch Wide
Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner
without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify
or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically
the warranty therein, which covers Fairchild products.
Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings:
http://www.fairchildsemi.com/packaging/
© 2005 Fairchild Semiconductor Corporation
FSUSB22 • Rev. 1.0.3
www.fairchildsemi.com
10
5.00±0.10
4.55
5.90
4.45 7.35
0.65
4.4±0.1
1.45
5.00
0.11
12°
FSUSB22 — Low-Power, 2-Port, High-Speed USB 2.0 (480Mbps) Switch
Physical Dimensions
MTC16rev4
Figure 19. 16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner
without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify
or obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically
the warranty therein, which covers Fairchild products.
Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings:
http://www.fairchildsemi.com/packaging/
© 2005 Fairchild Semiconductor Corporation
FSUSB22 • Rev. 1.0.3
www.fairchildsemi.com
11
FSUSB22 — Low-Power, 2-Port, High-Speed USB 2.0 (480Mbps) Switch
© 2005 Fairchild Semiconductor Corporation
FSUSB22 • Rev. 1.0.3
www.fairchildsemi.com
12