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Part Name
Description
LTC222M View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC222M
Micropower, Low Charge Injection, Quad CMOS Analog Switches with Data Latches
Linear Technology
LTC222M Datasheet PDF : 12 Pages
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LTC221/LTC222
APPLICATIO S I FOR ATIO
In-Circuit ESD Test Circuit
ANY SOURCE OR DRAIN PIN
ESD TESTER
LTC221/
LTC222
1.5k
S OR D
V
+
15V
±
4kV
100pF
PER MIL-STD-883C
METHOD 3015.2
V
–
GND
0.1
µ
F
POWER APPLIED
OR OPEN CIRCUT
–15V
0.1
µ
F
LTC221/222 • TA07
3V
WR
0V
3V
LTC221 IN
0V
3V
LTC222 IN
0V
V
S
V
O
0V
LOGIC INPUT
t
r
< 20ns
t
r
< 20ns
t
ON
WR
50%
V
O
0.9
t
OFF
WR
WR Switching Time Test Circuit
LOGIC
50%
INPUT
15V
SWITCH
WR
V
+
INPUT
SWITCH
S1
V
S
= 2V
D1
OUTPUT
V
O
LOGIC
IN1
INPUT
R
L
C
L
1k
35pF
V
O
0.9
LTC221/222 • AI08
GND
V
–
OV
–15V
V
O
=
V
S
R
L
+
R
L
r
DS(ON)
(REPEAT TEST FOR
IN2, IN3 AND IN4)
LTC221/222 • AI09
3V
WR
OV
3V
LTC221 IN
OV
3V
LTC222 IN
OV
WR Setup Conditions
1.5V
t
WW
t
DW
0.8V
1.5V
t
WD
0.8V
2.4V
2.4V
LTC221/222 • AI10
WR/Input Minimum Timing Requirements
PARAMETER
MIN LIMIT
UNITS
t
WW
Write Pulse Width
230
ns
t
DW
Data Valid to Write
180
ns
t
WD
Data Valid After Write
30
ns
2212fa
6
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