fsusb23 Fairchild Semiconductor, fsusb23 Datasheet - Page 7

• Manufacturer Part Number: fsusb23
• Description: Low Power Hi-speed Usb 2.0 480 Mbps Switch
• Manufacturer: Fairchild Semiconductor

FSUSB23 Rev. 1.0.0
Test Diagrams (continued)
Input:
Output: D+, D–
Dn+, Dn–
800mV
400mV
t
RISE
= 750ps
V
V
OL
OH
Note:
V Sel
10%
GND
T
Pulse Skew, T
SK(P)
OFF-Isolation = 20 Log (V
R
(See AC Electrical Tables for specific values).
S
50%
and R
= | t
V Sel
90%
GND
50%
PHL
t
PLH
T
FSUSB23
– t
are functions of the application environment
SK(P)
PLH
90%
t
FALL
Figure 8. Channel OFF Isolation
50%
|
Figure 6. Switch Skew Tests
= 750ps
FSUSB23
10%
Figure 7. Bandwidth
OUT
50%
t
PHL
/ V
IN
)
GND
R
T
7
Output1:
Input: D+, D–
Output1: D2+, D2–
800mV
400mV
GND
GND
t
RISE
GND
GND
D1+, D1–
= 750ps
V
V
OL
OH
V
V
V
OL
OH
Network Analyzer
T
Output Skew, T
IN
V
10%
SK(OUT)
Network Analyzer
IN
R
S
R
GND
R
S
V
GND
T
R
OUT
= | t
50%
T
GND
90%
50%
PHL1
GND
V
t
PLH1
S
50%
V
V
SK(OUT)
t
S
OUT
PLH2
– t
PHL2
90%
50%
| or | t
10%
PLH1
50%
www.fairchildsemi.com
t
FALL
t
50%
PHL1
– t
t
PHL2
PLH2
= 750ps
|