x93256 Intersil Corporation, x93256 Datasheet - Page 3
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x93256
Manufacturer Part Number
x93256
Description
Dual Digitally Controlled Potentiometers Xdcps?
Manufacturer
Intersil Corporation
Datasheet
1.X93256.pdf
(9 pages)
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PIN DESCRIPTIONS
TSSOP
10
11
12
13
14
1
2
3
4
5
6
7
8
9
Symbol
INC
U/D
INC
U/D
R
R
CS
R
V
CS
V
R
R
R
W1
W2
CC
SS
H2
H1
L1
L2
1
2
2
2
1
1
R
movable terminal of a mechanical potentiometer.
R
mechanical potentiometer. The minimum voltage is V
R
direction selected by the U/D input.
Chip Select 1 (CS
value is stored in nonvolatile memory when CS
the store operation is complete, the first potentiometer of the X93256 will be placed in the low power
standby mode until the first potentiometer is selected once again.
Increment 2 (INC
second potentiometer and either increment or decrement the counter in the direction indicated by the logic
level on the U/D
Up/Down 2 (U/D
movement and whether the counter for the second potentiometer is incremented or decremented.
R
mechanical potentiometer. The minimum voltage is V
R
to the wiper movement direction selected by the U/D
Ground.
R
equivalent to the movable terminal of a mechanical potentiometer.
R
mechanical potentiometer. The minimum voltage is V
R
to the wiper movement direction selected by the U/D
Chip Select 2 (CS
counter value is stored in nonvolatile memory when CS
HIGH. After the store operation is complete, the second potentiometer of the X93256 will be placed in the
low power standby mode until the second potentiometer is selected once again.
Supply Voltage.
Increment 1(INC
first potentiometer and either increment or decrement the counter in the direction indicated by the logic
level on the U/D
Up/Down 1 (U/D
whether the counter for the first potentiometer is incremented or decremented.
R
mechanical potentiometer. The minimum voltage is V
R
the wiper movement direction selected by the U/D
W1
L1
H1
H2
H2
W2
L2
H2
H1
H1
. The R
. The R
. The R
. The R
. The R
. The R
and R
and R
and R
and R
3
L2
L2
L1
L1
H1
H2
H 2
H 1
W1
W2
references the relative position of the wiper terminal for the second potentiometer in relation
references the relative position of the wiper terminal for the second potentiometer in relation
references the relative position of the wiper terminal for the first potentiometer in relation to
references the relative position of the terminal in relation to wiper movement
and R
and R
and R
and R
pin of the X93256 is the wiper terminal of the first potentiometer which is equivalent to the
pin of the X93256 is the wiper terminal of the second potentiometer which is
2
1
2
1
1
2
input.
input.
). The U/D
). The U/D
1
). The INC
2
). The INC
). The first potentiometer is selected when the CS
). The second potentiometer is selected when the CS
L1
L2
L2
L1
pins of the X93256 are equivalent to the fixed terminals of a
pins of the X93256 are equivalent to the fixed terminals of a
pins of the X93256 are equivalent to the fixed terminals of a
pins of the X93256 are equivalent to the fixed terminals of a
2
1
1
2
input controls the direction of the second potentiometer wiper
input controls the direction of the first potentiometer wiper movement and
input is negative-edge triggered. Toggling INC
input is negative-edge triggered. Toggling INC
X93256
Brief Description
1
is returned HIGH while the INC
1
input.
2
2
SS
SS
SS
SS
input.
input.
2
and the maximum is V
and the maximum is V
and the maximum is V
and the maximum is V
is returned HIGH while the INC
1
input is LOW. The current counter
2
input is LOW. The current
1
2
1
will move the wiper of the
will move the wiper of the
CC
CC
CC
CC
input is also HIGH. After
. The terminology of
. The terminology of
. The terminology of
. The terminology of
2
input is also
March 24, 2006
FN8188.1