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WMS7101 PDF даташит

Спецификация WMS7101 изготовлена ​​​​«Winbond» и имеет функцию, называемую «(WMS7100 / WMS7101) NON-VOLATILE DIGITAL POTENTIOMETERS».

Детали детали

Номер произв WMS7101
Описание (WMS7100 / WMS7101) NON-VOLATILE DIGITAL POTENTIOMETERS
Производители Winbond
логотип Winbond логотип 

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WMS7101 Даташит, Описание, Даташиты
PRELIMINARY DATASHEET
WMS7100 / 7101
NON-VOLATILE DIGITAL POTENTIOMETERS
WITH UP/DOWN (3-WIRE) INTERFACE,
10KOHM, 50KOHM, 100KOHM RESISTANCE
256 TAPS
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WITHOUT / WITH OUTPUT BUFFER
Publication Release Date: July 2003
- 1 - Revision 1.0









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WMS7101 Даташит, Описание, Даташиты
WMS7100 / 7101
1. GENERAL DESCRIPTION
The WMS7100/7101 is a single channel 256-tap non-volatile linear digital potentiometer available in
10K, 50Kand 100Kresistance. The device consists of Up/Down serial interface, tap register,
decoder, resistor array, wiper switches, NV memory and control logics.
The WMS7100 device can be configured as a two-terminal variable resistor or a three-terminal voltage
divider without an output buffer, but the WMS7101 device, which has a built-in output buffer, can only
be configured as a three-terminal voltage divider. Both devices can be used in a wide variety of
applications.
The output of the potentiometer is determined by its wiper position, which varies linearly between its
end terminals, RA/VA and RB/VB. The wiper position, Rw/Vw, is controlled by Up/Down serial interface
( CS , INC and U/ D ) through the Tap Register (TR). In addition, the wiper position can also be
stored into a non-volatile memory location (NVMEM0), which is then automatically recalled upon
power up.
2. FEATURES
Drop-in replacement for many popular parts
Single linear-taper channel
256 taps
10K, 50K and 100K end-to-end resistance
VSS to VDD terminal voltages
Automatic recall of wiper position when power-on
Potentiometer control through Up/Down (3-wire) serial interface
Endurance 100,000 cycles
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Data retention 100 years
Package options:
- 8-pin PDIP, SOIC or MSOP
Industrial temperature range: -40° to 85°C
Single supply operation : 2.7V to 5.5V
-2-









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WMS7101 Даташит, Описание, Даташиты
WMS7100 / 7101
3. BLOCK DIAGRAM
INC
Up/Down
CS
Serial
U/D
Interface
NV Memory
VSS
NV Memory
Control
NVMEM0
FIGURE 1 – WMS7100 BLOCK DIAGRAM (Rheostat/Divider Mode)
RA/VA
RW/VW
RB/VB
VDD
INC
www.DataSheet4U.com CS
U/D
Up/Down
Serial
Interface
NV Memory
VSS
NV Memory
Control
NVMEM0
FIGURE 2 – WMS7101 BLOCK DIAGRAM (Divider Mode)
VA
VW
VB
VDD
Publication Release Date: July 2003
- 3 - Revision 1.0










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Номер в каталогеОписаниеПроизводители
WMS7100(WMS7100 / WMS7101) NON-VOLATILE DIGITAL POTENTIOMETERSWinbond
Winbond
WMS7101(WMS7100 / WMS7101) NON-VOLATILE DIGITAL POTENTIOMETERSWinbond
Winbond

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