TS3USB221E Datasheet, PDF (10/20 Pages) Texas Instruments – HIGH-SPEED USB 2.0 (480-Mbps) 1:2 MULTIPLEXER/DEMULTIPLEXER SWITCH WITH SINGLE ENABLE AND IEC LEVEL 3 ESD PROTECTION

TS3USB221E
SCDS263 – SEPTEMBER 2009......................................................................................................................................................................................... www.ti.com
PARAMETER MEASUREMENT INFORMATION (continued)
Input
50%
t_PLH
t_PHL
Output
t_SK(P) = | t_PHL – t_PLH |
PULSE SKEW t_SK(P)
800 mV
50%
400 mV
V_OH
50%
V_OL
Input
50%
t_PLH1
Output 1
50%
t_SK(O)
t_PHL1
t_SK(O)
Output 2
t_PLH2
50%
t_PHL2
t_SK(O) = | t_PLH1 – t | _PLH2 or | t_PHL1 – t | _PHL2
OUTPUT SKEW t_SK(P)
Figure 14. Skew Test
800 mV
50%
400 mV
V_OH
50%
V_OL
V_OH
50%
V_OL
V_{OUT1 1D}
+
V_{OUT2 2D}
V_CTRL
S
+
V_CC
D
GND
V_IN
I_IN
Channel ON
r_on
V_IN * V_OUT2 or
+
I_IN
V_OUT1
W
V_CTRL = V_IH or V_IL
Figure 15. ON-State Resistance (r_on)
10
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