DG221B Vishay Siliconix, DG221B Datasheet - Page 4

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DG221B

Manufacturer Part Number
DG221B
Description
Quad SPST CMOS Analog Switch
Manufacturer
Vishay Siliconix
Datasheet

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DG221B
Vishay Siliconix
www.vishay.com
2 V
4
2 V
S
IN
S
IN
GND
WR
GND
C
C
0 V
L
L
(includes fixture and stray capacitance)
(includes fixture and stray capacitance)
+15 V
WR
V+
V
V
O
O
The latches are level sensitive. When WR is held low the latches are transparent and the switches re-
spond to the digital inputs. The digital inputs are latched on the rising edge of WR.
= V
= V
+15 V
–15 V
–15 V
S
V+
V–
S
V–
D
D
R
R
L
L
R
R
1 kW
+ r
R
R
1 kW
+ r
L
L
L
L
DS(on)
DS(on)
VOUT
WR
3 V
3 V
IN
C
35 pF
C
35 pF
FIGURE 4.
L
FIGURE 3.
L
FIGURE 2.
V
V
O
O
New Product
50%
t
S
WR Setup Conditions
WR Switching Time
Switching Time
t
H
50%
V
t
S
OUT
WR
IN
t
W
Switch
Switch
Output
Logic
Input
Input
t
ON
V
3 V
0 V
3 V
0 V
V
O
, WR
S
t
H
V
3 V
0 V
V
O
S
50%
t
t
t
H
S
W
= Hold Time
= Setup Time
= WR Pulse Width
t
ON
90%
50%
www.DataSheet4U.com
90%
S-03627—Rev. A, 23-Apr-01
Document Number: 71616
t
t
r
f
t
< 10 ns
< 10 ns
OFF
t
t
r
f
t
OFF
< 10 ns
< 10 ns
, WR

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