Microchip 4.5 kB EEPROM 550 ns 8-Pin SOIC Serial-I2C Memory Chip ATSHA204A-SSHDA-B

Microchip ATSHA204A-SSHDA-B 4.5 kB EEPROM memory chip delivers fast, secure, and cost-effective symmetric authentication in an 8-pin SOIC surface mount package. Designed with a Serial-I2C interface, this device supports a maximum clock frequency of 1 MHz and a maximum random access time of 550 nanoseconds, enabling responsive data communication and retrieval.

The chip operates between supply voltages of 2 V and 5.5 V, consuming a low supply current of 2 mA, making it suitable for power-sensitive applications. With an operating temperature range of -40°C to 85°C, it performs reliably across harsh environmental conditions commonly found in industrial, automotive, and consumer electronics.

The ATSHA204A is engineered with hardware-based protected key storage and supports the Secure Hash Algorithm SHA-256 standard, making it a robust choice for cryptographic authentication and counterfeit prevention in diverse fields such as industrial automation, security systems, and IoT devices.

Measuring 3.05 mm in length and 2.64 mm in width, the compact SOIC packaging facilitates efficient PCB layout and surface mounting. This device retains data effectively for up to 50 years, ensuring long-term integrity and performance in applications requiring secure and persistent data storage.

As the first device in Microchip's SHA device family, it provides an easy-to-integrate solution requiring no cryptographic expertise while offering versatile authentication capabilities. It is upward compatible with ATECC108A and ATECC508A devices, thereby supporting scalable security implementations.

Offers 4.5 kB EEPROM memory capacity suitable for secure data storage. Features a fast maximum random access time of 550 nanoseconds. Supports Serial-I2C communication interface for easy integration. Contains 8 pins in a SOIC surface mount package.

Operates over a voltage range of 2 V to 5.5 V with low supply current. Wide operating temperature range from -40°C to 85°C for robust applications. Data retention capability of up to 50 years ensuring long-term reliability.

Complies with secure symmetric authentication using SHA-256 algorithm. Provides hardware-based protected key storage for enhanced security. Ideal for authentication, counterfeit prevention, and cryptographic applications.

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