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參數(shù)資料
| 型號(hào)： | X9313USI3 |
| 廠商： | INTERSIL CORP |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | 50K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 32 POSITIONS, PDSO8 |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁數(shù)： | 2/10頁 |
| 文件大?。?/td> | 245K |
| 代理商： | X9313USI3 |
2
FN8177.0
February 28, 2005
PIN DESCRIPTIONS
R
H
/V
H
and R
L
/V
L
The high (R
H
/V
H
) and low (R
L
/V
L
) terminals of the
X9313 are equivalent to the fixed terminals of a
mechanical potentiometer. The terminology of R
L
/V
L
and R
H
/V
H
references the relative position of the
terminal in relation to wiper movement direction
selected by the U/D input and not the voltage potential
on the terminal.
R
W
/V
W
R
W
/V
w
is the wiper terminal and is equivalent to the
movable terminal of a mechanical potentiometer. The
position of the wiper within the array is determined by
the control inputs. The wiper terminal series resistance
is typically 40
at V
CC
= 5V.
Up/Down (U/D)
The U/D input controls the direction of the wiper
movement and whether the counter is incremented or
decremented.
Increment (INC)
The INC input is negative-edge triggered. Toggling
INC will move the wiper and either increment or
decrement the counter in the direction indicated by the
logic level on the U/D input.
Chip Select (CS)
The device is selected when the CS input is LOW. The
current counter value is stored in nonvolatile memory
when CS is returned HIGH while the INC input is also
HIGH. After the store operation is complete the X9313
will be placed in the low power standby mode until the
device is selected once again.
PIN CONFIGURATION
PIN NAMES
Symbol
R
H
/V
H
R
W
/V
W
R
L
/V
L
V
SS
V
CC
U/D
INC
CS
Description
High terminal
Wiper terminal
Low terminal
Ground
Supply voltage
Up/Down control input
Increment control input
Chip Select control input
V
CC
CS
R
L
/V
L
R
W
/V
W
INC
U/D
R
H
/V
H
V
SS
1
2
3
4
8
7
6
5
X9313
8-Lead DIP/SOIC
V
CC
CS
U/D
R
H
/V
H
V
SS
1
2
3
4
8
7
6
5
X9313
8-Lead MSOP
R
L
/V
L
R
W
/V
W
INC
X9313
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|---|---|
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