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TS3USB221A Datasheet, PDF (8/16 Pages) Texas Instruments – ESD PROTECTED, HIGH-SPEED USB 2.0 (480-Mbps) 1:2 MULTIPLEXER/DEMULTIPLEXER SWITCH WITH SINGLE ENABLE
TS3USB221A
SCDS277 – NOVEMBER 2008 .......................................................................................................................................................................................... www.ti.com
PARAMETER MEASUREMENT INFORMATION
VIN
D
VCC
1D or 2D VOUT1 or VOUT2
1D or 2D
CL(2)
TEST
RL
CL
VCOM
tON
500 Ω
50 pF
V+
RL
tOFF
500 Ω
50 pF
V+
VCTRL
S
Logic
Input(1)
GND
CL(2)
Logic
RL
Input
(VI)
Switch
Output
(VOUT1 or VOUT2)
50%
50%
1.8 V
0
tON
tOFF
90%
90% VOH
VOL
(1) All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50 Ω, tr < 5 ns, tf < 5 ns.
(2) CL includes probe and jig capacitance.
Figure 9. Turn-On (tON) and Turn-Off Time (tOFF)
Network Analyzer
50 W
Source
Signal
50 W
VOUT1 1D
50 W
2D
VCTRL S
+
VCC
D
VIN
GND
Channel OFF: 1D to D
VCTRL = VCC or GND
Network Analyzer Setup
Source Power = 0 dBm
(632-mV P-P at 50-W load)
DC Bias = 350 mV
Figure 10. OFF Isolation (OISO)
8
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