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DS3905

Part Number	DS3905
Manufacturer	Dallas Semiconducotr
Description	Triple 128-Position Nonvolatile Digital Variable Resistor/Switch
Published	Mar 30, 2005
Detailed Description	Rev 1; 8/03 Triple 128-Position Nonvolatile Digital Variable Resistor/Switch General Description The DS3904/DS3905 cont...
Datasheet	DS3905 PDF File

Overview

Rev 1; 8/03 Triple 128-Position Nonvolatile Digital Variable Resistor/Switch General Description The DS3904/DS3905 contain three nonvolatile (NV) low temperature coefficient, variable digital resistors.
Each resistor has 128 user-selectable positions.
Additionally, the DS3904/DS3905 have a high-impedance setting that allows each resistor to function as a digital switch.
The DS3904/DS3905 can operate over a 2.
7V to 5.
5V supply voltage range, and communication with the device is achieved through a 2-wire serial interface.
Address pins allow multiple DS3904/DS3905s to operate on the same two-wire bus.
The DS3904 has one address pin, allowing two DS3904s to share the bus, while the DS3905 has t...

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