X9251UV24I Intersil, X9251UV24I Datasheet - Page 9
![IC XDCP QUAD 256TAP 50K 24-TSSOP](/photos/6/65/66570/20-24-tssop_sml.jpg)
X9251UV24I
Manufacturer Part Number
X9251UV24I
Description
IC XDCP QUAD 256TAP 50K 24-TSSOP
Manufacturer
Intersil
Series
XDCP™r
Datasheet
1.X9251US24.pdf
(20 pages)
Specifications of X9251UV24I
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
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
24-TSSOP
Resistance In Ohms
50K
Lead Free Status / RoHS Status
Contains lead / RoHS non-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