ISL84581 Intersil Corporation, ISL84581 Datasheet - Page 8

• Manufacturer Part Number: ISL84581
• Description: 8 to 1 Multiplexer
• Manufacturer: Intersil Corporation

Test Circuits and Waveforms
Logic input waveform is inverted for switches that have the opposite
logic sense.
OUTPUT
SWITCH
FIGURE 1C. ADDRESS t
LOGIC
OUTPUT
INPUT
SWITCH
V
LOGIC
INPUT
OUTPUT
OUT
SWITCH
LOGIC
INPUT
V
OUT
FIGURE 3A. t
VNO0
VNO
3V
0V
FIGURE 2A. Q MEASUREMENT POINTS
0V
3V
0V
X
Q = ΔV
OFF
0V
OUT
BBM
x C
TRANS
t
TRANS
50%
L
MEASUREMENT POINTS
ON
8
MEASUREMENT POINTS
t
TRANS
10%
t
BBM
V
OUT
ΔV
(Continued)
OFF
OUT
FIGURE 3. BREAK-BEFORE-MAKE TIME
80%
t
t
r
f
FIGURE 2. CHARGE INJECTION
< 20ns
t
t
< 20ns
r
f
FIGURE 1. SWITCHING TIMES
< 20ns
90%
< 20ns
3V
0V
ISL84581
Repeat test for other switches. C
capacitance.
Repeat test for other switches. C
capacitance.
Repeat test for other switches.
V-
LOGIC
V
INPUT
LOGIC
INPUT
G
V+
C
V+
C
FIGURE 1D. ADDRESS t
C
R
0Ω
G
V
FIGURE 3B. t
OUT
FIGURE 2B. Q TEST CIRCUIT
NO0-NO7
ADDA-C
ADDA-C
NO0
ADDX
NO7
NO1-NO6
NO
=
V (NO or NC)
V+
GND
V+
V+
GND
GND
BBM
L
L
C
includes fixture and stray
includes fixture and stray
INH
C
TRANS
C
TEST CIRCUIT
INH
COM
INH
COM
COM
------------------------------
R
V-
L
V-
V-
+
TEST CIRCUIT
LOGIC
INPUT
R
R
L
(
C
ON
C
C
V
300Ω
OUT
)
R
300Ω
V
R
L
OUT
L
February 9, 2007
C
1nF
L
35pF
FN6416.0
C
V
35pF
L
OUT
C
L