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DS1221 Datasheet, Equivalent, 4 Chip.

Nonvolatile Controller x 4 Chip

Nonvolatile Controller x 4 Chip

 

 

 

Part DS1221
Description Nonvolatile Controller x 4 Chip
Feature DS1221 Nonvolatile Controller x 4 Chip w ww.
dalsemi.
com NOT RECOMMENDED FOR NEW DESIGNS, SEE DS1321 DATASHEET INSTEAD.
FEATURES Converts CMOS RAMs into nonvo latile memories Data is automatically p rotected during power loss 2-to-4 decod er provides for up to 4 CMOS RAMs Provi des for redundant batteries Test batter y condition on power-up Full ±10% oper ating range Unauthorized access can be prevented with optional security featur e 16-pin 0.
3-inch DIP saves PC board sp ace Optional 16-pin SOIC surface mount package Optional industrial temperature range of -40°C to +85°C available P IN ASSIGNMENT VCC .
Manufacture Dallas
Datasheet
Download DS1221 Datasheet
Part DS1221
Description Nonvolatile Controller x 4 Chip
Feature DS1221 Nonvolatile Controller x 4 Chip w ww.
dalsemi.
com NOT RECOMMENDED FOR NEW DESIGNS, SEE DS1321 DATASHEET INSTEAD.
FEATURES Converts CMOS RAMs into nonvo latile memories Data is automatically p rotected during power loss 2-to-4 decod er provides for up to 4 CMOS RAMs Provi des for redundant batteries Test batter y condition on power-up Full ±10% oper ating range Unauthorized access can be prevented with optional security featur e 16-pin 0.
3-inch DIP saves PC board sp ace Optional 16-pin SOIC surface mount package Optional industrial temperature range of -40°C to +85°C available P IN ASSIGNMENT VCC .
Manufacture Dallas
Datasheet
Download DS1221 Datasheet

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