ISL54225IRTZEVAL1Z INTERSIL [Intersil Corporation], ISL54225IRTZEVAL1Z Datasheet - Page 7

• Manufacturer Part Number: ISL54225IRTZEVAL1Z
• Description: High-Speed USB 2.0 (480Mbps) Multiplexer with Overvoltage Protection (OVP)
• Manufacturer: INTERSIL [Intersil Corporation]

Test Circuits and Waveforms
Logic input waveform is inverted for switches that have the
opposite logic sense.
OUTPUT
SWITCH
SWITCH
LOGIC
INPUT
INPUT
OUTPUT
SWITCH
LOGIC
INPUT
V
OUT
V
INPUT
FIGURE 1A. MEASUREMENT POINTS
FIGURE 2A. MEASUREMENT POINTS
VDD
VDD
0V
0V
0V
0V
t
ON
50%
7
90%
t
Repeat test for all switches.
OFF
V
V
t
HSDx
D
OUT
FIGURE 2. BREAK-BEFORE-MAKE TIME
r
ON
= V
17mA
FIGURE 1. SWITCHING TIMES
FIGURE 3. r
1
/17mA
t
t
90%
r
f
< 20ns
< 20ns
90%
ISL54225
V
1
HSDx
Dx
ON
TEST CIRCUIT
GND
Repeat test for all switches. C
capacitance.
Repeat test for all switches. C
capacitance.
V
INPUT
SWITCH
V
INPUT
DD
VIN
VIN
OE
SEL
V
C
INPUT
FIGURE 1B. TEST CIRCUIT
FIGURE 2B. TEST CIRCUIT
0V OR VDD
V
HSD2x
HSD1x
SEL
OUT
SEL
HSDxx
=
V
V
V
GND
DD
(INPUT)
DD
GND
L
L
includes fixture and stray
C
includes fixture and stray
C
----------------------- -
R
OE
L
OE
Dx
R
Dx
+
L
r
ON
50Ω
R
R
L
L
V
OUT
V
OUT
July 2, 2010
FN7627.0
C
10pF
L
C
L