Part number:
DS1221
Manufacturer:
Dallas
File Size:
134.19 KB
Description:
Nonvolatile controller x 4 chip.
* Converts CMOS RAMs into nonvolatile memories Data is automatically protected during power loss 2-to-4 decoder provides for up to 4 CMOS RAMs Provides for redundant batteries Test battery condition on power-up Full ±10% operating range Unauthorized access can be prevented with optional security featu
DS1221
Dallas
134.19 KB
Nonvolatile controller x 4 chip.
📁 Related Datasheet
DS1220AB - 16k Nonvolatile SRAM
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19-5580; Rev 10/10
.maxim-ic.
FEATURES
10 years minimum data retention in the
absence of external power Data is automatically protected dur.
DS1220AD - 16k Nonvolatile SRAM
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19-5580; Rev 10/10
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FEATURES
10 years minimum data retention in the
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DS1220Y - 16k Nonvolatile SRAM
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19-5579; Rev 10/10
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10 years minimum data retention in the absence of external power
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10 years minimum data retention in the
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DS1225AD - 64k Nonvolatile SRAM
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19-5625; Rev 11/10
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10 years minimum data retention in the
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10 years minimum data retention in the absence of external power
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DS1227 - KickStarter Chip
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..
DS1227
DS1227 KickStarter Chip
FEATURES
• Provides
PIN ASSIGNMENT
VCCO2 VCCO3 VCCO1 PWRON VDCO 1 2 3 4 5 6 7 8 9 10 20 19 18 .
