X9409 Xicor, X9409 Datasheet - Page 6

• Manufacturer Part Number: X9409
• Description: Quad Digitally Controlled Potentiometers
• Manufacturer: Xicor

X9409 – Preliminary Information
Figure 4. Three-Byte Instruction Sequence
Figure 5. Increment/Decrement Instruction Sequence
Figure 6. Increment/Decrement Timing Limits
REV 1.6 1/30/03
SCL
SDA
SCL
SDA
INC/DEC
V
Issued
W
CMD
SDA
SCL
/R
S
T
A
R
T
W
S
T
A
R
T
0
0
1
1
0
0
1
1
A3 A2 A1 A0 A
A3 A2 A1 A0
C
K
I3
A
C
K
Voltage Out
I3
I2
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I2
I1 I0
I1
R1 R0 P1 P0 A
I0
R1
R0 P1 P0 A
C
K
0
Characteristics subject to change without notice.
C
K
0
t
N
C
WRID
1
I
D5 D4 D3 D2 D1 D0
N
C
2
I
N
C
n
I
D
E
C
1
D
E
C
n
A
C
K
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O
S
T
P
S
T
O
P