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ISL8391 Datasheet(PDF) 6 Page - Intersil Corporation

Part No. ISL8391
Description  Low-Voltage, Single and Dual Supply, Quad SPST, Analog Switches
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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ISL8391 Datasheet(HTML) 6 Page - Intersil Corporation

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6
Test Circuits and Waveforms
Logic input waveform is inverted for switches that have the opposite
logic sense.
FIGURE 1A. MEASUREMENT POINTS
Repeat test for all switches. CL includes fixture and stray
capacitance.
FIGURE 1B. TEST CIRCUIT
FIGURE 1. SWITCHING TIMES
Logic input waveform is inverted for switches that have the opposite
logic sense.
FIGURE 2A. MEASUREMENT POINTS
Repeat test for all switches. CL includes fixture and stray
capacitance.
NOTE: When testing the NC pin of a device use the NC as VOUT.
When testing the NO pin of a device use the COM as VOUT.
FIGURE 2B. TEST CIRCUIT
FIGURE 2. CHARGE INJECTION
50%
tr < 20ns
tf < 20ns
tOFF
90%
3V
0V
VNX
0V
tON
LOGIC
INPUT
SWITCH
INPUT
SWITCH
OUTPUT
90%
VOUT
V
OUT
V
(NO or NC)
R
L
R
L
R
ON
()
+
------------------------------
=
SWITCH
INPUT
LOGIC
INPUT
VOUT
RL
CL
COM
NO or NC
IN
300
35pF
GND
V+
C
V-
C
VNX
C
VOUT
∆VOUT
ON
OFF
ON
Q =
∆VOUT x CL
SWITCH
OUTPUT
LOGIC
INPUT
3V
0V
CL
VOUT
RG
VG
GND
COM
NO
V+
C
LOGIC
INPUT
IN
C
V-
COM
NC
ISL8391, ISL8392, ISL8393


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