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DS1867 Datasheet(PDF) 1 Page - Dallas Semiconductor

Part No. DS1867
Description  Dual Digital Potentiometer with EEPROM
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Maker  DALLAS [Dallas Semiconductor]
Homepage  http://www.dalsemi.com
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102199
FEATURES
§ Nonvolatile version of the popular DS1267
§ Low power consumption, quiet, pumpless
design
§ Operates from single 5V or
±5V supplies
§ Two digitally controlled, 256-position
potentiometers
§ Wiper position is maintained in the absence of
power
§ Serial port provides means for setting and
reading both potentiometers
§ Resistors can be connected in series to
provide increased total resistance
§ 16-pin SOIC and 20-pin TSSOP for surface
mount applications
§ Standard resistance values:
-
DS1867-10 ~ 10 k
-
DS1867-50 ~ 50 k
-
DS1867-100 ~ 100 k
§ Operating Temperature Range:
-
Industrial: -40
°C to +85°C
PIN DESCRIPTION
L0, L1
- Low End of Resistor
H0, H1
- High End of Resistor
W1, W2
- Wiper End of Resistor
VB
- Substrate Bias
SOUT
- Wiper for Stacked Configuration
RST
- Serial Port Reset Input
DQ
- Serial Port Data Input
CLK
- Serial Port Clock Input
COUT
- Cascade Serial Port Output
VCC
- +5-Volt Supply Input
GND
- Ground
NC
- No Internal Connection
DNC
- Do Not Connect
PIN ASSIGNMENT
DS1867
Dual Digital Potentiometer with EEPROM
www.dalsemi.com
VB
1
14
VCC
H1
2
13
SOUT
L1
3
12
WO
W1
4
11
HO
RST
5
10
LO
CLK
6
9
COUT
GND
7
8
DQ
14-Pin DIP (300-mil)
See Mech. Drawings Section
VB
1
16
VCC
NC
2
15
NC
H1
3
14
SOUT
L1
4
13
WO
W1
5
12
HO
RST
6
11
LO
CLK
7
10
COUT
GND
8
9
DQ
16-Pin SOIC (300-mil)
See Mech. Drawings Section
VB
1
20
VCC
NC
2
19
DNC
H1
3
18
DNC
L1
4
17
SOUT
W1
5
16
WO
RST
6
15
HO
CLK
7
14
LO
DNC
8
13
COUT
DNC
9
12
DNC
GND
10
11
DQ
20-Pin TSSOP (173-mil)
See Mech. Drawings Section




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