DS1991 ibutton equivalent, multikey ibutton.
1,152-bit secure read/write, nonvolatile memory § Secure memory cannot be deciphered www.DataSheet4U.com without matching 64-bit password § Memory is partitioned into 3 b.
include secure access control, debit tokens, work-in-progress tracking, electronic travelers and proprietary data.
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The DS1991 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 (Figure 1). T.
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