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FSUSB23BQX_NL [FAIRCHILD]

Differential Multiplexer, 1 Func, 2 Channel, CMOS, 2.50 X 3.50 MM, LEAD FREE, MO-241AB, DQFN-16;
FSUSB23BQX_NL
型号： FSUSB23BQX_NL
厂家： FAIRCHILD SEMICONDUCTOR    FAIRCHILD SEMICONDUCTOR
描述：

Differential Multiplexer, 1 Func, 2 Channel, CMOS, 2.50 X 3.50 MM, LEAD FREE, MO-241AB, DQFN-16
文件： 总10页 (文件大小：758K)
中文：  中文翻译
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April 2008  
FSUSB23 — High-Speed, USB2.0 (480Mbps) Switch  
Features  
Description  
The FSUSB23 is a low-power, high-bandwidth analog  
switch specifically designed for high speed USB 2.0  
applications. The FSUSB23 features very low quiescent  
current even when the control voltage is lower than the  
VCC supply. This feature services mobile handset  
applications, allowing direct interface with the baseband  
processor general-purpose I/Os.  
ƒ
10µA Maximum ICCT Current over an Expanded  
Control  
ƒ
ƒ
ƒ
ƒ
ƒ
ƒ
ƒ
Voltage Range: VIN = 2.6V, VCC = 3.6V)  
Lower Capacitance: CON = 9pF Typical  
7Ω Typical On Resistance (RON  
)
-3dB Bandwidth: > 720MHz  
Typical applications involve switching in portables and  
consumer applications, such as cell phones, digital  
cameras, and notebooks with hubs or controllers. The  
wide bandwidth (>720MHz) of this switch exceeds the  
bandwidth needed to pass the third harmonic, which  
results in signals with minimum edge and phase  
distortion. Superior channel-to-channel crosstalk results  
in minimal interference.  
Low Power Consumption: 1mA Maximum  
Wide -3db Bandwidth: > 720MHz  
Packaged in:  
-10-Lead MicroPak™ (1.6 x 2.1mm)  
-16-Lead DQFN (2.5 x3.5mm)  
ƒ
7kV I/O to GND ESD Performance  
Applications  
ƒ
ƒ
Cell phone, PDA, Digital Camera, and Notebook  
LCD Monitor, TV, and Set-Top Box  
Ordering Information  
Operating  
Temperature Range  
Part Number Top Mark  
Package  
FSUSB23L10X  
FSUSB23BQX  
EZ  
-40 to +85°C  
10-Lead MicroPak™ 1.6 x 2.1mm, JEDEC MO-255B  
16-Terminal Depopulated Quad Very-Thin Flat Pack No  
Leads (DQFN), JEDEC MO-241, 2.5 x 3.5mm  
USB23  
-40 to +85°C  
MicroPak™ is a trademark of Fairchild Semiconductor Corporation.  
All packages are lead free per JEDEC: J-STD-020B standard.  
D1+  
D2+  
D+  
D-  
D1-  
D2-  
S
/OE  
Control  
Figure 1. Analog Symbol  
© 2006 Fairchild Semiconductor Corporation  
FSUSB23 • Rev. 1.0.1  
www.fairchildsemi.com  
Pin Configurations  
VCC  
16  
S
1
D1+  
D2+  
2
3
15 /OE  
D1-  
D2-  
14  
7
3
6
8
2
9
10  
1
D+  
4
5
13  
12  
Vcc  
5
GND  
NC  
D-  
4
NC  
NC  
NC  
NC  
6
7
11  
10  
9
8
GND  
NC  
Figure 2. Pad Assignments for MicroPak™  
(Top Through View)  
Figure 3. Pin Assignments for DQFN  
(Top Through View)  
Pin Definitions  
Pin # Micropak  
Pin # DQFN  
Pin Name  
Pin Description  
Switch Select  
Bus Switch Enable  
Data Port  
1
1
S
9
15  
/OE  
2, 3, 4 ,6, 7, 8  
2, 3, 4, 12, 13, 14  
D+, D-, Dn+, Dn-  
10  
5
16  
VCC  
GND  
NC  
Supply Voltage  
Ground  
8
5, 6, 7, 9, 10, 11  
No Connect  
Truth Table  
Sel  
X
/OE  
HIGH  
LOW  
LOW  
Function  
Disconnect  
D+, D- = D1n  
D+, D- = D2n  
LOW  
HIGH  
© 2006 Fairchild Semiconductor Corporation  
FSUSB23 • Rev. 1.0.1  
www.fairchildsemi.com  
2
Absolute Maximum Ratings  
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  
VCC  
Parameter  
Min.  
-0.5  
-0.5  
-0.5  
-50  
Max.  
4.6  
Unit  
V
Supply Voltage  
VSW  
VIN  
DC Switch Voltage(1)  
DC Input Voltage(1)  
DC Input Diode Current  
DC Output Current  
Storage Temperature  
VCC + 0.5  
4.6  
V
V
IIK  
mA  
mA  
°C  
IOUT  
50  
TSTG  
-65  
+150  
All Pins  
7
7
ESD  
Human Body Model, JEDEC: JESD22-A114  
kV  
I/O to GND  
Note:  
1. The input and output negative ratings may be exceeded if the input and output diode current ratings are  
observed. DC switch voltage may never exceed 4.6V.  
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  
VCC  
Parameter  
Min.  
3.0  
0
Max.  
3.6  
Unit  
V
Supply Voltage  
VCNTRL  
VSW  
Control Input Voltage(2)(3)  
Switch Input Voltage  
Operating Temperature  
Thermal Resistance  
VCC  
VCC  
+85  
250  
V
0
V
TA  
-40  
°C  
Micropak  
°C/W  
ΘJA  
Note:  
2. The input and output negative voltage ratings may be exceeded if the input and output diode current ratings are  
observed. DC switch voltage may never exceed 4.6V.  
3. The control input must be held HIGH or LOW; it must not float.  
© 2006 Fairchild Semiconductor Corporation  
FSUSB23 • Rev. 1.0.1  
www.fairchildsemi.com  
3
DC Electrical Characteristics  
All typical values are at 25°C unless otherwise specified.  
TA=- 40ºC to +85ºC  
Symbol  
Parameter  
Conditions  
IIN=-18mA  
VCC (V)  
Units  
Min. Typ. Max.  
VIK  
VIH  
VIL  
IIN  
Clamp Diode Voltage  
Input Voltage High  
Input Voltage Low  
3.0  
-1.2  
V
V
3.0 to 3.6  
3.0 to 3.6  
3.6  
1.2  
.50  
1
V
Control Input Leakage  
VIN=0V to VCC  
µA  
IOZ  
Off State Leakage  
1
µA  
0 ≤ Dn, D1n, D2n ≤ VCC  
VSW=0.4V, ION=-8mA  
6
7
9
RON  
Switch On Resistance(4)  
3.0  
Ω
VSW=0.8V, ION=-8mA  
10  
(5)  
∆RON  
RON Flat  
ICC  
Delta RON  
VIN=0.4V, ION=-8mA  
VIN=0V-1.0V, ION=-8mA  
VIN=0 or VCC, IOUT=0  
3.0  
3.0  
3.6  
0.3  
2.0  
Ω
Ω
RON Flatness(4)  
Quiescent Supply Current  
1
µA  
Increase in ICC Current Per  
Control Voltage and VCC  
ICCT  
VIN=2.6V VCC=3.6V  
3.6  
10  
µA  
Notes:  
4. Measured by the voltage drop across the Dn, D1n, D2n pins at the indicated current through the switch.  
On resistance is determined by the lower of the voltage on the two (HSDn or Dn ports).  
5. Guaranteed by characterization.  
AC Electrical Characteristics  
All typical values are for VCC=3.3V at 25°C unless otherwise specified.  
TA=- 40ºC to +85ºC  
Symbol  
tON  
Parameter  
Conditions  
VD1n, D2n=0.8V,  
RL=50Ω, CL=10pF  
Figure 8  
VCC (V)  
3.0 to 3.6  
3.0 to 3.6  
Units  
ns  
Min. Typ. Max.  
Turn-On Time S,  
/OE to Output  
10  
8
13  
11  
VD1n, D2n=0.8V,  
RL=50Ω, CL=10pF  
Figure 8  
Turn-Off Time S,  
/OE to Output  
tOFF  
ns  
RL=50Ω, CL=10pF  
Figure 6, Figure 7  
tPD  
Propagation Delay(6)  
3.3  
0.25  
-30  
ns  
dB  
Off Isolation,  
Non-Adjacent  
f=250MHz, RT=50Ω  
Figure 14  
OIRR  
Xtalk  
3.0 to 3.6  
3.0 to 3.6  
3.0 to 3.6  
Non-Adjacent Channel  
Crosstalk  
f=250MHz, RT=50Ω  
Figure 9  
-43  
dB  
RT=50Ω  
Figure 13  
BW  
-3db Bandwidth  
720  
MHz  
Note:  
6. Guaranteed by characterization.  
© 2006 Fairchild Semiconductor Corporation  
FSUSB23 • Rev. 1.0.1  
www.fairchildsemi.com  
4
USB Hi-Speed-Related AC Electrical Characteristics  
TA=- 40ºC to +85ºC  
Min. Typ. Max.  
Symbol  
tSK(O)  
Parameter  
Conditions  
VCC (V)  
3.0 to 3.6  
3.0 to 3.6  
3.0 to 3.6  
Units  
ps  
RL=50Ω, CL=10pF  
Figure 6, Figure 12  
Channel-to-Channel Skew(7)  
40  
20  
Skew of Opposite Transitions RL=50Ω, CL=10pF  
tSK(P)  
ps  
of the Same Output(7)  
Figure 6, Figure 12  
RL=50ꢀ, CL=10pf,  
tR=tF=750ps at 480Mbps  
(PRBS=215 – 1)  
tJ  
Total Jitter(7)  
150  
ps  
Note:  
7. Guaranteed by characterization.  
Capacitance  
TA=- 40ºC to +85ºC  
Symbol  
Parameter  
Conditions  
Units  
Min.  
Typ. Max.  
VCC=0V  
Figure 11  
CIN  
CON  
COFF  
Control Pin Input Capacitance  
D1n, D2n, Dn On Capacitance  
D1n, D2n Off Capacitance  
2
pF  
pF  
pF  
VCC=3.3V, /OE=0V  
Figure 10  
9
4
VCC and /OE=3.3V  
Figure 11  
© 2006 Fairchild Semiconductor Corporation  
FSUSB23 • Rev. 1.0.1  
www.fairchildsemi.com  
5
Test Diagrams  
VON  
I
D (OFF)  
n
NC  
A
D1 , D2  
n
n
V
IN  
D
n
Select  
=0 or V  
V
IN  
GND  
ION  
GND  
V
GND  
S
CC  
Select  
V
**Each switch port is tested separately  
V
= 0 to  
S
CC  
R
ON = VON / ION  
Figure 4. On Resistance  
Figure 5. Off Leakage  
D1+, D1-  
t
=500ps  
t
=500ps  
FALL  
RISE  
D1+, D1-  
V
IN  
800mV  
V
OUT  
90%  
50%  
90%  
50%  
C
R
L
R
GND  
V
L
S
Input:D , D  
n+ n-  
GND  
10%  
10%  
50%  
400mV  
V
Sel  
OH  
50%  
GND  
Output:D+, D-  
R , R , and C are functions of the application  
L
S
L
V
OL  
t
PLH  
environment (see AC Tables for specific values)  
t
PHL  
C
includes test fixture and stray capacitance.  
L
Figure 6. AC Test Circuit Load  
Figure 7. Switch Propagation Delay Waveforms  
t
=2.5ns  
t
=2.5ns  
FALL  
RISE  
Network Analyzer  
NC  
R
S
V
CC  
Input - S, /OE  
V
IN  
V
GND  
90%  
90%  
/2  
S
GND  
V
V
/2  
Sel  
V
CC  
CC  
10%  
10%  
90%  
GND  
R
GND  
T
V
GND  
OH  
90%  
V
OUT  
Output - V  
OUT  
GND  
R
T
R
and R are functions of the application environment  
T
S
GND  
(50Ω, 75Ω or 100Ω).  
V
OL  
t
t
Crosstalk = 20 Log (VOUT / VIN)  
ON  
OFF  
Figure 8. Turn On / Turn Off Waveform  
Figure 9. Non-Adjacent Channel-to-Channel Crosstalk  
© 2006 Fairchild Semiconductor Corporation  
FSUSB23 • Rev. 1.0.1  
www.fairchildsemi.com  
6
Test Diagrams (Continued)  
D
n
Capacitance  
Meter  
D
n
S
S
Capacitance  
Meter  
V
=0 or V  
CC  
f=1MHz  
Sel  
V
= 0 or V  
CC  
Sel  
D1 , D2  
n
n
f=1MHz  
D1 , D2  
n
n
Figure 10. Channel On Capacitance  
Figure 11. Channel Off Capacitance  
t
=750ps  
t
=750ps  
FALL  
RISE  
800mV  
90%  
50%  
90%  
50%  
Input: D+, D-  
t
=750ps  
t
=750ps  
FALL  
RISE  
10%  
10%  
50%  
400mV  
V
800mV  
90%  
50%  
90%  
50%  
OH  
Input:D , D  
n+ n-  
50%  
Output 1: D+, D-  
10%  
10%  
50%  
400mV  
V
V
V
OL  
OH  
t
PLH1  
t
PHL1  
50%  
Output:D+, D-  
V
OL  
t
OH  
PLH  
t
PHL  
50%  
50%  
Output 1: D2+, D2-  
T
= t  
-t  
SK(P) PHL PLH  
Pulse Skew, T  
SK(P)  
V
OL  
t
PLH2  
t
PHL2  
Figure 12. Switch Skew Tests  
Network Analyzer  
R
S
V
IN  
V
S
GND  
V
Sel  
GND  
GND  
V
OUT  
GND  
R
T
R and RT are functions of the application environment  
(see AC tables for specific values).  
S
GND  
Figure 13. Bandwidth  
Network Analyzer  
R
S
V
IN  
R
V
T
S
GND  
V
Sel  
GND  
GND  
GND  
V
OUT  
R
GND  
T
Off Isolation =20Log(V  
/V )  
OUT IN  
GND  
Figure 14. Channel Off Isolation  
© 2006 Fairchild Semiconductor Corporation  
FSUSB23 • Rev. 1.0.1  
www.fairchildsemi.com  
7
Physical Dimensions  
Figure 15. 10-Lead MicroPak™ 1.6 x 2.1mm  
Note: click here for tape and reel specifcations, available at:  
http://www.fairchildsemi.com/products/analog/pdf//micropak_tr.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/  
© 2006 Fairchild Semiconductor Corporation  
FSUSB23 • Rev. 1.0.1  
www.fairchildsemi.com  
8
Physical Dimensions  
Figure 16. 16-Terminal Depopulated Quad Very-Thin Flat Pack No Leads (DQFN) Package  
Note: click here for tape and reel specifcations, available at:  
http://www.fairchildsemi.com/products/analog/packaging/MLP16_25x35.html  
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/  
© 2006 Fairchild Semiconductor Corporation  
FSUSB23 • Rev. 1.0.1  
www.fairchildsemi.com  
9
© 2006 Fairchild Semiconductor Corporation  
FSUSB23 • Rev. 1.0.1  
www.fairchildsemi.com  
10  

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