DS1804 Dallas Semiconducotr, DS1804 Datasheet
DS1804
Manufacturer Part Number
DS1804
Description
NV Trimmer Potentiometer
Manufacturer
Dallas Semiconducotr
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FEATURES
PIN DESCIPTION
H
L
W
V
U/
GND
DESCRIPTION
The DS1804 NV Trimmer Potentiometer is a nonvolatile digital potentiometer having 100 positions. The
device provides an ideal method for low-cost trimming applications using a CPU or manual control input
with minimal external circuitry. Wiper position of the DS1804 can be stored in EEPROM memory on
demand. The device’s wiper position is manipulated by a 3-terminal port that provides an increment/
decrement counter controlled interface. This port consists of the control inputs
DS1804 is available in three resistor grades, which include a 10 k , 50 k , and 100 k . The device is
provided in an industrial temperature grade. Additionally, the DS1804 will operate from 3V or 5V
supplies and is ideal for portable application requirements. Three packaging options are available and
include the 8-pin (300-mil) DIP, 8-pin (150-mil) SOIC, 8-pin (118-mil) uSOP, and the Flip Chip
Package.
www.dalsemi.com
CS
INC
CC
D
Single 100-position taper potentiometer
Nonvolatile “on-demand” wiper storage
Operates from 3V or 5V supplies
Up/down, increment-controlled interface
Available in 8-pin (300-mil) DIP, 8-pin
(150-mil) SOIC, 8-pin (118-mil) µSOP, and
Flip Chip packages
Operating Temperature:
– Industrial:
Standard Resistance Values:
– DS1804-010 10 k
– DS1804-050 50 k
– DS1804-100 100 k
- High-Terminal of Potentiometer
- Low-Terminal of Potentiometer
- Wiper of Potentiometer
- 3V or 5V Power Supply
- Chip Select
- Up/Down Control
- Increment/Decrement Wiper Control
- Ground
-40ºC to +85ºC
1 of 7
PIN ASSIGNMENT
NV Trimmer Potentiometer
GND
INC
U/D
See Mech. Drawings Section
H
8-Pin Flip Chip Package
8-Pin uSOP (118-mil)
8-Pin SOIC (150-mil)
8-Pin DIP (300-mil)
1
2
3
4
CS
,
8
7
6
5
INC
V
CS
L
W
, and U/
CC
DS1804
102699
D
. The
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