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參數(shù)資料
| 型號： | X9CC102P |
| 英文描述： | IC |
| 中文描述： | 集成電路 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 61K |
| 代理商： | X9CC102P |
Xicor, Inc. 1994, 1995 Patents Pending
3863-2.4 2/12/99 T2/C0/D0 SH
1
Characteristics subject to change without notice
X9C102/103/104/503
Digitally-Controlled (XDCP) Potentiometer
FEATURES
Solid-State Potentiometer
Three-Wire Serial Interface
100 Wiper Tap Points
—Wiper Position Stored in Nonvolatile Memory
and Recalled on Power-up
99 Resistive Elements
—Temperature Compensated
—End to End Resistance, ±20%
—Terminal Voltages, ±5V
Low Power CMOS
—V
CC
= 5V
—Active Current, 3mA Max.
—Standby Current, 500μA Max.
High Reliability
—Endurance, 100,000 Data Changes per Bit
—Register Data Retention, 100 Years
X9C102 = 1 k
W
X9C103 = 10 k
W
X9C503 = 50 k
W
X9C104 = 100 k
W
Packages
—8-Lead SOIC and DIP
DESCRIPTION
The X9Cxxx are Xicor digitally-controlled (XDCP)
potentiometers. The device consists of a resistor array,
wiper switches, a control section, and nonvolatile
memory. The wiper position is controlled by a three-wire
interface.
The potentiometer is implemented by a resistor array
composed of 99 resistive elements and a wiper switching
network. Between each element and at either end are
tap points accessible to the wiper terminal. The position
of the wiper element is controlled by the CS, U/D, and
INC inputs. The position of the wiper can be stored in
nonvolatile memory and then be recalled upon a
subsequent power-up operation.
The device can be used as a three-terminal
potentiometer or as a two-terminal variable resistor in a
wide variety of applications including:
control
parameter adjustments
signal processing
A
PPLICATION
A V A I L A B L E
N
OTE
AN20 AN42–53 AN71 AN73 AN88 AN91–92 AN115
Terminal Voltages ±5V, 100 Taps
FUNCTIONAL DIAGRAMS
Up/Down
(U/D)
(INC)
Increment
Device Select
(CS)
V
CC
(Supply Voltage)
V
SS
(Ground)
7-BIT
UP/DOWN
COUNTER
7-BIT
NONVOLATILE
MEMORY
STORE AND
RECALL
CONTROL
CIRCUITRY
ONE
OF
ONE-
HUNDRED
DECODER
RESISTOR
ARRAY
U/D
INC
CS
TRANSFER
GATES
V
CC
GND
99
98
97
96
2
1
0
Control
Memory
General
Detailed
R
L
/V
L
R
W
/V
W
R
H
/V
H
R
H
/V
H
R
W
/V
W
R
L
/V
L
E
2
POT
is a trademark of Xicor, Inc. 11/5/98
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