fsusb20 Fairchild Semiconductor, fsusb20 Datasheet - Page 8

• Manufacturer Part Number: fsusb20
• Description: Low Power 1 Port Hi-speed Usb 480mbps Switch
• Manufacturer: Fairchild Semiconductor

FSUSB20 Rev. 1.0.2
©2005 Fairchild Semiconductor Corporation
AC Loading and Waveforms
GND
50Ω
V
B
+
–
B
S
1
B
2
nB
nB
1
2
Figure 7. OFF Isolation Test
Control
Control
S OE
OE
50Ω
50Ω
GND
GND
A
B
S
A
SELECT
Network Analyzer
INPUT
OUTPUT
10 pF
10%
t
ON
Control
Figure 9. Bandwidth Test
Figure 5. AC Test Circuit
Figure 6. AC Waveforms
OE
1.5V
8
90%
Note: Input driven by 50Ω source terminated in 50Ω
Note: C
Note: Input PRR = 1.0 MHz, t
t
r
= 2.5ns
90%
50Ω
90%
L
1.5V
includes load and stray capacitance
A
100Ω
B
10%
S
Network Analyzer
1
90%
t
f
t
= 2.5ns
OFF
Figure 8. Crosstalk Test
Control
3.0V
GND
V
V
OH
OL
OE
W
= 500ns
50Ω
A
100Ω
Network Analyzer
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