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參數(shù)資料
| 型號： | X9C104 |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | EEPOT Nonvolatile Digital Potentiometer(100個抽頭,-5V~+5V,100K總電阻,非易失性數(shù)字電位器) |
| 中文描述： | EEPOT非易失數(shù)字電位器（100個抽頭，- 5V的?5V的，100K的總電阻，非易失性數(shù)字電位器） |
| 文件頁數(shù)： | 3/11頁 |
| 文件大小： | 257K |
| 代理商： | X9C104 |
3
FN8222.1
September 19, 2005
PIN DESCRIPTIONS
Pin
1
Symbol
INC
Brief Description
Increment .
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.
Up/Down.
The U/D input controls the direction of the wiper movement and whether the counter
is incremented or decremented.
R
H
/V
H
.
The high (V
H
/R
H
) terminals of the X9C102/103/104/503 are equivalent to the fixed
terminals of a mechanical potentiometer. The minimum voltage is -5V and the maximum is +5V.
The terminology of V
H
/R
H
and V
/R
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.
V
SS
V
/R
.
V
/R
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
.
R
L
/V
L
.
The low (V
/R
) terminals of the X9C102/103/104/503 are equivalent to the fixed
terminals of a mechanical potentiometer. The minimum voltage is -5V and the maximum is +5V.
The terminology of V
/R
and V
/R
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.
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 op-
eration is complete the X9C102/103/104/503 device will be placed in the low power standby mode
until the device is selected once again.
V
CC
2
U/D
3
R
H
/V
H
4
V
SS
V
W
/R
W
5
6
R
L
/V
L
7
CS
8
V
CC
X9C102, X9C103, X9C104, X9C503
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