X9251US24IZ-2.7 Intersil, X9251US24IZ-2.7 Datasheet - Page 9

• Manufacturer Part Number: X9251US24IZ-2.7
• Description: IC XDCP QUAD 256TAP 50K 24-SOIC
• Manufacturer: Intersil
• Series: XDCP™r

Specifications of X9251US24IZ-2.7

• Taps: 256
• Resistance (ohms): 50K
• Number Of Circuits: 4
• Temperature Coefficient: 300 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°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

SCK
SCK
CS
CS
SI
SI
ID3 ID2 ID1 ID0
ID3 ID2 ID1 ID0
0
0
DEVICE ID
DEVICE ID
1
1
SCK
R W
SI
0
0
1
1
FIGURE 5. THREE-BYTE INSTRUCTION SEQUENCE (READ STATUS REGISTER)
INC/DEC CMD ISSUED
0
0
0
0
9
0
0
0
0
FIGURE 6. INCREMENT/DECREMENT INSTRUCTION SEQUENCE
INTERNAL
ADDRESS
INTERNAL
ADDRESS
A1 A0
A1 A0
FIGURE 7. INCREMENT/DECREMENT TIMING SPEC
I3
1
I2
VOLTAGE OUT
INSTRUCTION
OPCODE
INSTRUCTION
OPCODE
I2
0
I3
I1
1
I1
I0
X9251
1
I0
REGISTER
ADDRESS
REGISTER
ADDRESS
RB RA
RB RA
P1
P1
POT/WCR
ADDRESS
POT/WCR
ADDRESS
P0
P0
t WRID
0
N
C
1
I
0
N
C
2
I
0
0
N
C
n
I
0
D
E
C
1
0
0
STATUS
D
E
C
n
WIP
BIT
April 13, 2007
FN8166.5