Microchip 4.5 kB EEPROM, 550 ns Maximum Random Access Time, 3-Pin SOT-23 Serial-1 Wire ATSHA204A-STUCZ-T

Microchip ATSHA204A-STUCZ-T is a high-security EEPROM device featuring 4.5 kB memory with 550 ns maximum random access time. It is housed in a compact 3-pin SOT-23 surface mount package, making it ideal for space-constrained applications.

This device supports a Serial-1 Wire interface and operates reliably within 2 V to 5.5 V supply voltage range and at clock speeds up to 1 MHz. The ATSHA204A integrates advanced cryptographic functions based on the SHA-256 standard, providing fast and secure symmetric authentication suitable for counterfeit prevention and secure device authentication.

Operating temperature ranges from -40°C to +85°C, enabling its use in demanding industrial, automotive, and commercial environments. It consumes low power with a supply current of just 2 mA and guarantees data retention for over 50 years, ensuring long-term reliability.

The device offers protected hardware-based key storage and simple host/client operation, making it easy to integrate with existing cryptographic architectures without requiring expert knowledge in cryptography.

Fast and secure symmetric authentication with SHA-256 encryption. 4.5 kB EEPROM memory organized as 512 x 8 bits for data storage. Compact 3-pin SOT-23 surface mount package for space optimization. Low power consumption and wide temperature operating range.

Supports counterfeit prevention and secure key management. Long data retention time of up to 50 years. Compatible with industrial, automotive, laboratory, and commercial security applications.

This Microchip series CryptoAuthentication device is ideal for manufacturers and system integrators requiring reliable, secure authentication for embedded systems and critical infrastructure. Explore EnvMart’s extensive catalog for complementary semiconductor and security components.