参数资料
型号: X9313ZMIT4
元件分类: 数字电位计
英文描述: 1K DIGITAL POTENTIOMETER, INCREMENT/DECREMENT CONTROL INTERFACE, 32 POSITIONS, PDSO8
封装: MSOP-8
文件页数: 3/10页
文件大小: 88K
代理商: X9313ZMIT4
X9313
Characteristics subject to change without notice.
2 of 10
REV 1.5 10/7/03
www.xicor.com
PIN DESCRIPTIONS
RH/VH and RL/VL
The high (RH/VH) and low (RL/VL) terminals of the
X9313 are equivalent to the xed terminals of a
mechanical potentiometer. The terminology of RL/VL
and RH/VH 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
RW/Vw 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 VCC = 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
Description
RH/VH
High terminal
RW/VW
Wiper terminal
RL/VL
Low terminal
VSS
Ground
VCC
Supply voltage
U/D
Up/Down control input
INC
Increment control input
CS
Chip Select control input
VCC
CS
INC
U/D
RH/VH
VSS
1
2
3
4
8
7
6
5
X9313
8-Lead DIP/SOIC
RL/VL
RW/VW
VCC
CS
U/D
RH/VH
1
2
3
4
8
7
6
5
X9313
8-Lead MSOP
RL/VL
RW/VW
INC
VSS
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