參數資料
型號: X93155
廠商: Intersil Corporation
元件分類: 數字電位計
英文描述: Digitally Controlled Potentiometer (XDCP)
中文描述: 數控電位器(數字電位器)
文件頁數: 2/8頁
文件大?。?/td> 246K
代理商: X93155
2
FN8181.1
September 26, 2005
Block Diagram
5-Bit
Up/Down
Counter
5-Bit
Nonvolatile
Memory
Store and
Control
Recall
Circuitry
One
of
Thirty
Two
Decoder
Resistor
Array
R
H
U/D
INC
CS
Transfer
Gates
V
CC
V
SS
R
L
Control
and
Memory
Up/Down
(U/D)
Increment
(INC)
Device Select
(CS)
V
CC
(Supply Voltage)
V
SS
(Ground)
R
H
General
Detailed
0
1
2
28
29
30
31
R
L
30k
Pin Descriptions
MSOP
SYMBOL
BRIEF DESCRIPTION
1
INC
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.
2
U/D
Up/Down (U/D)
. The U/D input controls the direction of the wiper movement and whether the counter is incremented or
decremented.
3
R
H
R
H
. The R
H
and R
L
pins of the X93155 are equivalent to the end terminals of a variable resistor.
4
V
SS
Ground.
5
NC
No Connection.
(or can be connected to any voltage between V
SS
and V
CC
.)
6
R
L
R
L
. The R
H
and R
L
pins of the X93155 are equivalent to the end terminals of a variable resistor.
7
CS
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 X93155
will be placed in the low power standby mode until the device is selected once again.
8
V
CC
Supply Voltage.
X93155
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相關代理商/技術參數
參數描述
X93155_08 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Digitally Controlled Potentiometer(XDCP?)
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