ISL43681 Intersil Corporation, ISL43681 Datasheet - Page 12

• Manufacturer Part Number: ISL43681
• Description: Low-Voltage/ Single and Dual Supply/ 8 to 1 Multiplexer and Differential 4 to 1 Multiplexer
• Manufacturer: Intersil Corporation

Test Circuits and Waveforms
Logic input waveform is inverted for switches that have the opposite
logic sense.
OUTPUT
LOGIC
LOGIC
SWITCH
INPUT
INPUT
ADD
SIGNAL
GENERATOR
FIGURE 4A. LATCH t
LE
ANALYZER
X
VNO
3V
0V
3V
0V
0V
FIGURE 5. OFF ISOLATION TEST CIRCUIT
X
t
R
H
L
50%
S
, t
t
MPW
H
NO or NC
, t
COM
EN, LE
50%
12
50%
MPW
V
V+
OUT
GND
MEASUREMENT POINTS
t
S
C
ADDX
EN
(Continued)
FIGURE 4. LATCH SETUP AND HOLD TIMES
V-
50%
90%
0V or V+
0V or V+
C
t
t
t
ON
50%
ISL43681, ISL43741
r
f
< 20ns
< 20ns
, t
t
H
OFF
Repeat test for other switches. C
capacitance.
LOGIC
LOGIC
INPUT
INPUT
V
NX
LOGIC
LOGIC
INPUT
INPUT
FIGURE 4B. LATCH t
R
ON
1mA
= V
V
1
OUT
FIGURE 6. R
/1mA
EN
EN
ADDA-C
ADDA-B
LE
LE
=
V+
V+
V
V
1
(NO or NC)
GND
GND
C
C
COM
NO or NC
EN, LE
ISL43741
ISL43681
ON
S
NO1
EN
EN
, t
L
includes fixture and stray
NO1-NO7
H
TEST CIRCUIT
V-
V-
, t
x
V+
-NO3
GND
MPW
NO0
COM
COM
NO0
------------------------------
R
C
C
L
x
x
C
+
R
TEST CIRCUIT
ADDX
R
V
V
EN
L
(
OUT
OUT
ON
V-
)
300Ω
300Ω
R
R
L
L
0V or V+
C
C
C
V+
V+
35pF
35pF
C
C
L
L