X9259US24Z-2.7 Intersil, X9259US24Z-2.7 Datasheet - Page 12

• Manufacturer Part Number: X9259US24Z-2.7
• Description: IC XDCP QUAD 256TAP 50K 24-SOIC
• Manufacturer: Intersil
• Series: XDCP™r

Specifications of X9259US24Z-2.7

• Taps: 256
• Resistance (ohms): 50K
• Number Of Circuits: 4
• Temperature Coefficient: 300 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Global XFR Wiper Counter Register (WCR) to Data Register (DR)
Transfer Wiper Counter Register (WCR) to Data Register (DR)
Transfer Data Register (DR) to Wiper Counter Register (WCR)
Increment/Decrement Wiper Counter Register (WCR)
Notes: (1) “MACK”/”SACK”: stands for the acknowledge sent by the Master/Slave.
R
R
S
T
A
T
S
T
A
R
T
S
T
A
T
S
A
R
T
T
Device Type
0
0
0 1 0 1 A3 A2 A1 A0
0
Device Type
Device Type
Device Type
Identifier
Identifier
Identifier
(2) “A3 ~ A0”: stands for the device addresses sent by the master.
(3) “X”: indicates that it is a “0” for testing purpose but physically it is a “don’t care” condition.
(4) “I”: stands for the increment operation, SDA held high during active SCL phase (high).
(5) “D”: stands for the decrement operation, SDA held low during active SCL phase (high).
Identifier
1
1
1
0
0
0
1 A3 A2 A1 A0
1 A3 A2 A1 A0
1 A3 A2 A1 A0
Addresses
Addresses
Addresses
Device
Addresses
Device
Device
Device
12
S
A
C
K
C
S
A
K
S
A
C
K
S
A
C
K
0 0 1 0 0 0
Instruction
1 0 0 0 RB RA 0 0
Instruction
1 1 1 0 RB RA P1 P0
Opcode
Instruction
1 1 0 1 RB RA P1 P0
Instruction
Opcode
Opcode
Opcode
Addresses
Addresses
DR/WCR
DR/WCR
Addresses
Addresses
X9259
DR/WCR
DR/WCR
P1
P0
S
A
C
K
S
A
C
K
S
A
C
K
C
S
A
K
O
S
T
P
I/D I/D .
O
S
T
P
O
S
P
T
(Sent by Master on SDA)
HIGH-VOLTAGE
Increment/Decrement
WRITE CYCLE
HIGH-VOLTAGE
WRITE CYCLE
.
.
. I/D I/D
O
S
P
T
April 13, 2007
FN8169.5