X9313ZSM 데이터 시트보기 (PDF) - Xicor -> Intersil
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X9313ZSM Datasheet PDF : 10 Pages
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X9313
PIN DESCRIPTIONS
VH and VL
The high (VH) and low (VL) terminals of the X9313 are
equivalent to the fixed terminals of a mechanical potenti-
ometer. The minimum voltage is –5V and the maximum is
+5V. It should be noted that the terminology of VL and 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.
VW
Vw is the wiper terminal, 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 40Ω.
Up/Down (U/D)
The U/D input controls the direction of the wiper move-
ment 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
8-LEAD DIP/SOIC
INC
U/D
VH
VSS
1
8
2
7
X9313
3
6
4
5
VCC
CS
VL
VW
VH
VSS
VW
VL
8-LEAD MSOP
1
8
2
7
X9313
3
6
4
5
U/D
INC
VCC
CS
3866 ILL F02.2
PIN NAMES
Symbol
VH
VW
VL
VSS
VCC
U/D
INC
CS
Description
High Terminal
Wiper Terminal
Low Terminal
Ground
Supply Voltage
Up/Down Input
Increment Input
Chip Select Input
3866 PGM T01
2
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