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| ISL54222A_10 Datasheet, PDF (7/19 Pages) Intersil Corporation – High-Speed USB 2.0 (480Mbps) Multiplexer | |||
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ISL54222A
Test Circuits and Waveforms (Continued)
VDD C
LOGIC
INPUT
VDD
0V
SWITCH
OUTPUT
VOUT 0V
VINPUT
HSD2x
HSD1x
SEL
Dx
VOUT
RL
500Ω
CL
50pF
10%
tD
VIN
GND
OE
Repeat test for all switches. CL includes fixture and stray
capacitance.
FIGURE 2A. MEASUREMENT POINTS
FIGURE 2B. TEST CIRCUIT
FIGURE 2. BREAK-BEFORE-MAKE TIME
VDD
C
rON = V1/40mA
VHSDX
HSDx
40mA
V1
Dx
GND
SEL OV OR VDD
OE
Repeat test for all switches.
FIGURE 3. rON TEST CIRCUIT
7
FN6902.1
February 4, 2010
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