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X9C104S Datasheet(PDF) 1 Page - Xicor Inc.

Part # X9C104S
Description  E2POT??Nonvolatile Digital Potentiometer
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Manufacturer  XICOR [Xicor Inc.]
Direct Link  http://www.xicor.com
Logo XICOR - Xicor Inc.

X9C104S Datasheet(HTML) 1 Page - Xicor Inc.

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X9C102/103/104/503
1
©Xicor, Inc. 1994, 1995 Patents Pending
Characteristics subject to change without notice
3863-2.4 9/18/96 T2/C0/D0 SH
DESCRIPTION
The Xicor X9C102/103/104/503 is a solid state nonvola-
tile potentiometer and is ideal for digitally controlled
resistance trimming.
The X9C102/103/104/503 is a resistor array composed of
99 resistive elements. Between each element and at
either end are tap points accessible to the wiper element.
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 resolution of the X9C102/103/104/503 is equal to
the maximum resistance value divided by 99. As an
example, for the X9C503 (50K
Ω) each tap point repre-
sents 505
Ω.
All Xicor nonvolatile memories are designed and tested
for applications requiring extended endurance and data
retention.
FEATURES
• Compatible with X9102/103/104/503
• Low Power CMOS
—VCC = 5V
—Active Current, 3mA Max
—Standby Current, 500
µA Max
• 99 Resistive Elements
—Temperature Compensated
—
± 20% End to End Resistance Range
• 100 Wiper Tap Points
—Wiper Positioned via Three-Wire Interface
—Similar to TTL Up/Down Counter
—Wiper Position Stored in Nonvolatile
Memory and Recalled on Power-Up
• 100 Year Wiper Position Data Retention
• X9C102 = 1K
Ω
• X9C103 = 10K
Ω
• X9C503 = 50K
Ω
• X9C104 = 100K
Ω
E2POT™ Nonvolatile Digital Potentiometer
X9C102/103/104/503
E2POT™ is a trademark of Xicor, Inc.
3863 FHD F01
FUNCTIONAL DIAGRAM
7-BIT
UP/DOWN
COUNTER
7-BIT
NONVOLATILE
MEMORY
STORE AND
RECALL
CONTROL
CIRCUITRY
ONE
OF
ONE-
HUNDRED
DECODER
RESISTOR
ARRAY
99
98
97
96
2
1
0
VL
VW
VH
U/D
INC
CS
VCC
GND
TRANSFER
GATES
Terminal Voltage
±5V, 100 Taps
APPLICATION NOTES
A V AILABLE
AN42 • AN44–48 • AN50 • AN52 • AN53 • AN71 • AN73


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