X9268US24Z Intersil, X9268US24Z Datasheet - Page 13

• Manufacturer Part Number: X9268US24Z
• Description: IC XDCP DUAL 256TAP 50K 24-SOIC
• Manufacturer: Intersil
• Series: XDCP™r

Specifications of X9268US24Z

• Taps: 256
• Resistance (ohms): 50K
• Number Of Circuits: 2
• Temperature Coefficient: 300 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: 24-SOIC (7.5mm Width)
• Resistance In Ohms: 50K
• Track Taper: Linear
• Resistance Tolerance: ± 20%
• No. Of Steps: 256
• Supply Voltage Range: 4.5V To 5.5V
• Control Interface: 2 Wire, Serial
• No. Of Pots: Dual
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

INSTRUCTION FORMAT
Read Wiper Counter Register (WCR)
Write Wiper Counter Register (WCR)
Read Data Register (DR)
Write Data Register (DR)
Global XFR Data Register (DR) to Wiper Counter Register (WCR)
R
S
A
R
S
A
R
S
A
R
S
T
A
T
S
A
R
T
T
T
T
T
T
T
T
Device Type
Device Type
Device Type
Device Type
0 1 0 1 A3 A2 A1 A0
0
0
0
0
Device Type
Identifier
Identifier
Identifier
Identifier
Identifier
1
1
1
1
0
0
0
0
1 A3 A2 A1 A0
1 A3 A2 A1 A0
1 A3 A2 A1 A0
1 A3 A2 A1 A0
Addresses
Addresses
Addresses
Addresses
Device
Addresses
Device
Device
Device
Device
13
S
A
C
K
C
S
A
K
C
S
A
C
K
S
A
K
S
A
C
K
1 1 0 0 RB RA 0 P0
1 0 0 1 0 0
1 0 1 0 0 0
1 0 1 1 RB RA
Instruction
Instruction
Instruction
Instruction
Opcode
Opcode
Opcode
Opcode
0 0 0 1 RB RA
Instruction
Opcode
Addresses
Addresses
Addresses
DR/WCR
DR/WCR
DR/WCR
Addresses
DR/WCR
X9268
Addresses
DR/WCR
0
0
0
P0
P0
0
P0
S
A
C
K
S
A
C
K
S
A
C
K
S
A
C
K
W
W
0
C
R
(Sent by Master on SDA) S
C
R
(Sent by X9268 on SDA) M
7
7
(Sent by Master on SDA) S
W
C
R
7
W
C
R
(Sent by X9268 on SDA) M
7
W
W
C
R
C
R
6
6
W
C
R
S
A
C
K
6
Wiper Position
Wiper Position
Wiper Position
W
C
R
6
W
W
C
R
C
R
5
5
W
C
R
O
5
S
T
P
Wiper Position
W
C
R
5
W
W
C
R
C
R
W
4
4
C
R
4
W
C
R
4
W
W
C
R
C
R
W
3
3
C
R
3
W
C
R
3
W
W
W
C
R
C
R
C
R
2
2
2
W
C
R
2
W
W
W
C
R
C
R
C
R
1
1
1
W
C
R
1
W
W
W
C
R
C
R
C
R
0
0
0
W
C
R
0
C
A
K
C
C
A
K
A
K
A
C
K
O
S
T
P
O
O
S
T
P
S
T
P
O
S
P
T
August 29, 2006
FN8172.4