The Maxim Integrated DS28E40 is a secure authenticator that provides a core set of cryptographic tools derived from integrated asymmetric (ECC-P256) and symmetric (SHA-256) security functions.It has one GPIO pin with optional authentication control It has optional chip-generated Pr/Pu key pairs for ECC operations It offers 6Kb of one-time programmable (OTP) for user data, keys, and certificates It has unique and unalterable factory-programmed 64-Bit identification number (ROM ID) It has single-contact, 1-wire interface communication with host at 9.09kbps and 62.5kbps More information:  | | Memory Size: | 6kB | Interface Type: | 1-Wire | Package Type: | 10 TDFN T1034+2 | Pin Count: | 10 | Minimum Operating Supply Voltage: | -0.5 V |
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