Datasheet

© 2006 Fairchild Semiconductor Corporation www.fairchildsemi.com
FSA201 Rev. 1.2.2 14
FSA201

USB2.0 Full-Speed and Audio Switches with Negative Signal Capability
Test Diagrams (Continued)
t
RISE
=12ns
GND
3V
90% 90%
10%10%
t
FALL
=12ns
50%
50%
Input – V
D+/D-
Output- V
OUT
50%
50%
V
OH
V
OL
t
pLH
t
pHL
-
-
-
-
t
RISE
=12ns
GND
3V
90% 90%
10%10%
t
FALL
=12ns
50%
50%
Input – V
D+/D-
Output- V
OUT
50%
50%
V
OH
V
OL
t
pLH
t
pHL
-
50%
Figure 19. USB Switch Propagation Delay Waveforms Figure 20. Pulse Skew: t
SK(P)
=| t
PHL
– t
PLH
|
t
RISE
=12ns
GND
3V
90% 90%
10%10%
t
FALL
=12ns
50%
50%
Input – V
D+/D-
Output1- V
OUT
50%
50%
V
OH
V
OL
t
pLH1
t
pHL1
Output2- V
OUT
50%
50%
V
OH
V
OL
t
pLH2
t
pHL2
t
sk (o)
-
50%
-
50%
Figure 21. Output Skew: t
SK(O)
=| t
PLH1
– t
PLH2
| or | t
PHL1
– t
PHL2
|