ISL43L840 Intersil Corporation, ISL43L840 Datasheet - Page 5

• Manufacturer Part Number: ISL43L840
• Description: Dual 4 to 1 Analog Multiplexer
• Manufacturer: Intersil Corporation

Test Circuits and Waveforms
Logic input waveform is inverted for switches that have the opposite
logic sense.
OUTPUT
SWITCH
LOGIC
OUTPUT
INPUT
SWITCH
FIGURE 1A. ADDRESS t
V
OUTPUT
LOGIC
SWITCH
OUT
INPUT
LOGIC
INPUT
VA0, VB0
V
OUT
FIGURE 3A. t
FIGURE 2A. Q MEASUREMENT POINTS
V+
0V
V+
0V
0V
Q = ∆V
OFF
0V
OUT
BBM
x C
t
TRANS
TRANS
L
50%
MEASUREMENT POINTS
ON
5
t
TRANS
MEASUREMENT POINTS
10%
t
BBM
V
OUT
0V
∆V
OFF
OUT
FIGURE 3. BREAK-BEFORE-MAKE TIME
90%
t
t
r
f
FIGURE 2. CHARGE INJECTION
< 5ns
< 5ns
t
t
FIGURE 1. SWITCHING TIMES
r
f
< 5ns
90%
< 5ns
V+
0V
ISL43L840
Repeat test for other switches. C
capacitance.
Repeat test for other switches. C
capacitance.
Repeat test for other switches.
V
LOGIC
INPUT
LOGIC
INPUT
G
V+
V+
C
C
FIGURE 1B. ADDRESS t
R
0Ω
G
V
FIGURE 3B. t
OUT
FIGURE 2B. Q TEST CIRCUIT
LOGIC
INPUT
A0-A3
B0-B3
ADD1-0
V+
A0,B0
A1-A3
ADDX
B1-B3
ADD1-0
Ax, Bx
V+
V+
=
V
C
(NO or NC)
GND
C
C
GND
GND
BBM
L
L
includes fixture and stray
includes fixture and stray
TRANS
COMA
COMB
TEST CIRCUIT
COMA
COMB
COMA
COMB
------------------------------
R
L
+
TEST CIRCUIT
R
R
L
(
ON
V
50Ω
OUT
R
V
50Ω
)
R
OUT
L
L
C
1nF
L
FN6096.1
35pF
C
V
35pF
OUT
L
C
L