Electronic components ATSHA204A-SSHDA-B

Description

ATSHA204A-SSHDA-B: EEPROM Serial-I2C 4.5K-bit 256 x 16 2.5V/3.3V/5V 8-Pin SOIC Bulk

Package: SOIC-8

Mfr. Part#: ATSHA204A-SSHDA-B

Mfr.:MICROCHIP

Datasheet:(e-mail or chat us for PDF file)

ROHS Status:

Quality: 100% Original

Warranty: 180 days

The Microchip ATSHA204A is a full turnkey security device. It includes a 4.5Kb EEPROM divided into 16 slots. This array can be used for storage of keys, miscellaneous read/write, read-only, password or secret data, and consumption tracking. Access to the various sections of memory can be restricted in a variety of ways and then the configuration locked to prevent changes.Access to the chip is through a standard I²C interface at speeds up to 1Mb/sec. The chip also supports a single-wire interface that can reduce the number of GPIOs required on the system processor and/or reduce the number of pins on connectors. It is compatible with most UART or serial I/O controllers. System integration is eased with a wide supply voltage range and an ultra-low sleep current of less than 100nA.

Key FeaturesCrypto Element with Protected Hardware-based Key StorageSecure Symmetric Authentication Device Host and Client OperationsSuperior SHA-256 Hash Algorithm with Message Authentication Code (MAC) and Hash-based Message Authentication Code (HMAC) OptionsBest-in-class, 256-bit Key Length; Storage for Up to 16 KeysGuaranteed Unique 72-bit Serial NumberInternal, High-quality Random Number Generator (RNG)4.5Kb EEPROM for Keys and Data512 bit OTP (One Time Programmable) Bits for Fixed InformationMultiple I/O OptionsUART-compatible High-Speed, Single-Wire Interface1MHz I2 C Interface2.0V to 5.5V Supply Voltage Range1.8V to 5.5V Communications Voltage Range<150nA Sleep CurrentSecure Download and BootEcosystem ControlMessage SecurityAnti-Cloning8-lead SOIC, 8-lead TSSOP(2), 3-lead SOT23, 8-pad UDFN, 8-pad XDFN, and 3-lead ConTACT Packages

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