Click here for production status of specific part numbers. 2 DS28C50 DeepCover I C Secure SHA-3 Authenticator with ChipDNA PUF Protection General Description Benefits and Features The DS28C50 secure authenticator combines Robust Countermeasures Protect Against Security FIPS202-compliant secure hash algorithm (SHA-3) chal- Attacks lenge and response authentication with Maxims patented Patented Physically Unclonable Function Secures ChipDNA technology, a physically unclonable function Device Data (PUF) to provide a cost-effective solution with the ultimate Actively Monitored Die Shield Detects and Reacts protection against security attacks. The ChipDNA imple- to Intrusion Attempts mentation utilizes the random variation of semiconductor All Stored Data Cryptographically Protected from device characteristics that naturally occur during wafer Discovery fabrication. The ChipDNA circuit generates a unique out- Efficient Secure Hash Algorithm Authenticates put value that is repeatable over time, temperature, and Peripherals operating voltage. Attempts to probe or observe ChipDNA FIPS 202-Compliant SHA-3 Algorithm for operation modifies the underlying circuit characteristics, Challenge/Response Authentication thus preventing discovery of the unique value used by the FIPS 198-Compliant Keyed-Hash Message chip cryptographic functions. The DS28C50 utilizes the Authentication Code (HMAC) ChipDNA output as key content to cryptographically se- TRNG with NIST SP 800-90B Compliant Entropy cure all device-stored data. With ChipDNA capability, the Source device provides a core set of cryptographic tools derived Supplemental Features Enable Easy Integration into from integrated blocks including a SHA-3 engine, a FIPS/ End Application NIST compliant true random number generator (TRNG), 17-Bit One-Time Settable, Nonvolatile Decrement 2Kb of secured EEPROM, a decrement-only counter and Only Counter with Authenticated Read a unique 64-bit ROM identification number (ROM ID). The One GPIO Pin with Optional Authentication Control unique ROM ID is used as a fundamental input parameter 2Kb of EEPROM for User Data, Key, and Control for cryptographic operations and serves as an electronic Registers serial number within the application. The DS28C50 com- Unique and Unalterable Factory Programmed 2 municates over a I C network. 64-Bit Identification Number (ROM ID) Operating Range: 3.3V 10%, -40C to +85C Applications 6-Pin TDFN-EP Package (3mm x 3mm) Authentication of Medical Sensors and Tools 2 I C Communication, Up to 1MHz Secure Management of Limited Use Consumables IoT Node Crypto-Protection Accessory and Peripheral Secure Authentication Printer Cartridge Identification and Authentication Ordering Information appears at end of data sheet. DeepCover is a registered trademark and ChipDNA is a trademark of Maxim Integrated Products, Inc. 19-100643 Rev 0 9/192 DS28C50 DeepCover I C Secure SHA-3 Authenticator with ChipDNA PUF Protection Typical Application Circuit V CC V CC 2 I C PORT C GND V V CC CC PIO IO GPIO IO SDA SDA DS28C50 DS2477 SCL SCL IO GND GND 19-100643 www.maximintegrated.com Maxim Integrated 2