DG221BDY VISHAY [Vishay Siliconix], DG221BDY Datasheet - Page 6

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DG221BDY

Manufacturer Part Number
DG221BDY
Description
Quad SPST CMOS Analog Switch with Latches
Manufacturer
VISHAY [Vishay Siliconix]
Datasheet

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Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DG221BDY
Manufacturer:
SILICONIX
Quantity:
10 161
Part Number:
DG221BDY-T1-E3
Manufacturer:
VISHAY
Quantity:
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DG221B
Vishay Siliconix
Notes:
a.
www.vishay.com
6
IN
WR may be held at “0” for temporary operation similar to DG201A/DG201B. With WR at “0” SW
0
1
0
1
1
1
1
Address Bus
WR
IN
0
1
1
0
1
1
2
Data Bus
IN
0
1
1
1
0
1
3
IN
0
1
1
1
1
0
CS
Decoder
4
Address
WR
0
0
0
0
0
0
FIGURE 8. mP-Controlled Analog Signal Attenuator
A
ON SWITCH
The TL081 is used as an output buffer while
the voltage divider provides attenuation.
None
All
1
2
3
4
IN
IN
IN
IN
WR
New Product
1
2
3
4
GND
DG221B
+15 V
V+
D
C
D
C
D
C
D
C
WR
0
0
0
0
Q
Q
Q
Q
–15 V
V–
IN
1
0
1
1
1
will remain on as long as IN
1
S
S
S
S
D
D
D
D
1
2
3
4
1
2
3
4
IN
1
0
1
1
2
IN
1
1
0
1
+
TL081
3
V
IN
1
is held at “0”.
9 MW
900 kW
90 kW
9 kW
1 kW
IN
1
1
1
0
S-03627—Rev. A, 23-Apr-01
4
Document Number: 71616
Gain
0.1
0.01
0.001
0.0001
V
O

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