X9221 Xicor, X9221 Datasheet - Page 5
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X9221
Manufacturer Part Number
X9221
Description
Dual E2POT Nonvolatile Digital Potentiometer
Manufacturer
Xicor
Datasheet
1.X9221.pdf
(14 pages)
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X9221
Figure 4. Three-Byte Command Sequence
Figure 5. Increment/Decrement Command Sequence
Figure 6. Increment/Decrement Timing Limits
INC/DEC
ISSUED
SDA
SCL
SDA
SCL
CMD
SDA
SCL
V W
R
S
T
A
T
R
S
A
T
T
0
0
1
1
0
0
1
1
A3 A2 A1 A0
A3 A2 A1 A0
VOLTAGE OUT
A
C
K
A
C
K
I3
I3
I2
I2
I1
I0
I1
5
I0
0
P0 R1 R0
0
P0 R1 R0
X
A
C
K
X
0
A
C
K
t CLWV
0
N
C
1
I
D5 D4 D3 D2
N
C
2
I
N
C
n
I
D
E
C
1
D1 D0
3079 ILL F13
D
C
3079 ILL F12
E
n
3079 ILL F11
A
C
K
O
P
S
T
S
O
P
T