(China (Mainland))
Product Summary
The DS1991L+F5 MultiKey iButton is a rugged read/write data carrier that acts as three separate electronic keys, offering 1,152 bits of secure, nonvolatile memory. Each key is 384 bits long with distinct 64-bit password and public ID fields. Accessories permit the DS1991L-F5 to be mounted on plastic key fobs, photo-ID badges, printed-circuit boards or any smooth surface of an object. Applications of the DS1991L+F5 include secure access control, debit tokens, work-in-progress tracking, electronic travelers and proprietary data.
Parametrics
DS1991L+F5 absolute maximum ratings: (1)Voltage on any Pin Relative to Ground: -0.5V to +7.0V; (2)Operating Temperature: -40℃ to +70℃; (3)Storage Temperature: -40℃ to +70℃.
Features
DS1991L+F5 features: (1)1,152-bit secure read/write, nonvolatile memory; (2)Secure memory cannot be deciphered without matching 64-bit password; (3)Memory is partitioned into 3 blocks of 384 bits each; (4)64-bit password and ID fields for each memory block; (5)512-bit scratchpad ensures data transfer integrity; (6)Operating temperature range: -40℃ to +70℃; (7)Over 10 years of data retention.
Diagrams
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 DS1904L-F5 |
Maxim Integrated Products |
iButtons |
Data Sheet |
Negotiable |
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DS1904L-F5# |
Maxim Integrated Products |
iButtons RTC iButton |
Data Sheet |
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DS1904L-F5+ |
Maxim Integrated Products |
iButtons |
Data Sheet |
Negotiable |
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DS1920-F5 |
Maxim Integrated Products |
iButtons |
Data Sheet |
Negotiable |
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DS1920-F5+ |
Maxim Integrated Products |
iButtons Temperature iButton |
Data Sheet |
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DS1921G-F5 |
Maxim Integrated Products |
iButtons |
Data Sheet |
Negotiable |
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