fsusb30 Fairchild Semiconductor, fsusb30 Datasheet - Page 7

• Manufacturer Part Number: fsusb30
• Description: Fsusb30 ? Low-power 2-port Hi-speed Usb 2.0 480mbps Switch
• Manufacturer: Fairchild Semiconductor

© 2006 Fairchild Semiconductor Corporation
FSUSB30 Rev. 1.1.5
Test Diagrams
R
(see AC Electrical tables for specific values).
C
L
L
, R
includes test fixture and stray capacitance.
GND
S
GND
, and C
V
HSDn
IN
Figure 6. AC Test Circuit Load
GND
L
V
are functions of the application environment
Sel
Figure 4. On Resistance
HSDn
V
R
IN
R
ON
FSUSB30
V
S
ON
= V
ON
FSUSB30
/ I
ON
V
Select
Input – S, OE
Output – V
S
= 0 to V
Dn
D+, D–
C
t
L
RISE
Figure 8. Turn-On / Turn-Off Waveform
GND
V
CC
OUT
CC
GND
= 2.5ns
V
V
OH
OL
GND
R
L
10%
I
ON
V
OUT
V
t
ON
CC
90%
/2
Output: D+, D–
7
Input:
90%
Figure 7. Switch Propagation Delay Waveforms
90%
HSDn+,
HSDn–
V
t
400mV
800mV
CC
RISE
NC
/2
= 500ps
90%
V
V
10%
OL
OH
t
OFF
Each switch port is tested separately.
t
FALL
FSUSB30
10%
Figure 5. Off Leakage
= 2.5ns
50%
90%
50%
V
Select
t
S
PLH
= 0 or V
ID
90%
n(OFF)
A
50%
CC
10%
50%
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t
FALL
t
PHL
GND
= 500ps
V
IN