Active current < 50碌A(chǔ) max.
Standby current < 1碌A(chǔ) max.
鈩?/div>
Packages: MSOP-8, SOIC
DESCRIPTION
The Xicor X9116 is a digitally controlled nonvolatile
potentiometer designed to be used in trimmer applica-
tions. The pot consists of 15 equal resistor segments
that connect to the wiper pin through programmable
CMOS switches. The tap position is programmed
through a 3-wire up/down serial port. The last position
of the wiper is stored in a nonvolatile memory location
which is recalled at the time of power up of the device.
The wiper moves through sequential tap positions with
inputs on the serial port. A falling edge on INC (bar)
causes the tap position to increment one position up or
down based on whether the U/D (bar) pin is held high
or low.
The X9116 can be used in many applications requiring
a variable resistance. In many cases it can replace a
mechanical trimmer and offers many advantages such
as temperature and time stability as well as the reli-
ability of a solid state solution.
BLOCK DIAGRAM
V
CC
(Supply Voltage)
Up/Down
(U/D)
Increment
(INC)
Device Select
(CS)
Control
and
Memory
R
H
/V
H
R
W
/V
W
R
L
/V
L
V
SS
(Ground)
General
R
H
13
*
3
2
1
R
L
0
R
W
-R
L
Resistance
15
14
10k鈩?/div>
9.34k鈩?/div>
8.68k鈩?/div>
* k鈩?/div>
2.08k鈩?/div>
1.42k鈩?/div>
760鈩?/div>
100鈩?/div>
REV 1.2 2/5/03
www.xicor.com
Characteristics subject to change without notice.
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