FSUSB30 Low Power 2-Port Hi-Speed USB 2.0 (480Mbps) Switch
Test Diagrams
V
ON
FSUSB30
NC
Dn
V
IN
GND
Select
V
S
= 0 to V
CC
R
ON
= V
ON
/ I
ON
GND
I
ON
Select
GND
V
S
= 0 or V
CC
Each switch port is tested separately.
ID
n(OFF)
FSUSB30
HSDn
A
V
IN
Figure 4. On Resistance
Figure 5. OFF Leakage
FSUSB30
HSDn
D+, D–
V
IN
GND
R
S
C
L
GND
V
Sel
GND
R
L
, R
S
, and C
L
are functions of the application environment
(see AC Electrical tables for specific values).
C
L
includes test fixture and stray capacitance.
V
OH
Output: D+, D–
V
OL
t
PLH
t
PHL
50%
50%
t
RISE
= 500ps
R
L
V
OUT
800mV
Input: HSDn+,
HSDn–
400mV
90%
50%
10%
90%
50%
t
FALL
= 500ps
10%
Figure 6. AC Test Circuit Load
Figure 7. Switch Propagation Delay Waveforms
t
RISE
= 2.5ns
V
CC
Input – S, OE
GND
10%
90%
V
CC
/2
90%
V
CC
/2
t
FALL
= 2.5ns
10%
V
OH
Output – V
OUT
V
OL
t
ON
90%
90%
t
OFF
Figure 8. Turn ON / Turn OFF Waveform
7
www.fairchildsemi.com
FSUSB30 Rev. 1.0.1
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
