X9221AWS Intersil, X9221AWS Datasheet - Page 8

• Manufacturer Part Number: X9221AWS
• Description: IC XDCP DUAL 10K 2-WIRE 20-SOIC
• Manufacturer: Intersil
• Series: XDCP™r

Specifications of X9221AWS

• Taps: 64
• Resistance (ohms): 10K
• Number Of Circuits: 2
• Temperature Coefficient: 30 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Resistance In Ohms: 10K
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Figure 8. Detailed Potentiometer Block Diagram
Serial Data Path
From Interface
If WCR = 3F[H] then V
If WCR = 00[H] then V
Circuitry
W
W
/R
/R
W
W
= V
= V
8
Register 0
Register 2
H
L
/R
/R
L
H
8
Register 1
Register 3
Modified SCL
X9221A
UP/DN
6
Serial
Bus
Input
Parallel
Bus
Input
UP/DN
CLK
Register
Counter
Wiper
INC/DEC
Logic
C
o
u
n
e
D
r
e
o
d
e
t
c
V
V
V
August 30, 2006
H
L
W
/R
/R
/R
L
H
W
FN8163.2