Secure and High-Density Serial EEPROM Memory Solution: Microchip AT24CM01-SSHM-T

In the rapidly evolving landscape of embedded systems and IoT, the demand for reliable, secure, and high-density non-volatile memory is paramount. Addressing this need, Microchip Technology’s AT24CM01-SSHM-T stands out as a robust serial EEPROM solution, offering an optimal blend of high-density storage, advanced security features, and exceptional reliability.

This 1-Mbit (131,072 x 8) EEPROM is built on Microchip’s proven and durable technology, ensuring high endurance of 1 million write cycles and a long data retention period of up to 100 years. Its serial configuration, utilizing the industry-standard I²C interface, allows for easy integration into space-constrained designs while minimizing pin count and simplifying board layout. Operating across a broad voltage range (1.7V to 5.5V), it supports a wide spectrum of applications, from low-power portable devices to industrial systems.

A key differentiator of the AT24CM01-SSHM-T is its integrated hardware and software security. The device features a 128-bit security register capable of storing a unique, factory-programmed or user-defined key. This enables robust authentication protocols, ensuring that only authorized systems can access the stored data—a critical capability for preventing firmware cloning, unauthorized access, and counterfeiting in sensitive applications.

Furthermore, the EEPROM supports advanced write protection schemes. Through both hardware (WP pin) and software control, the memory array can be entirely locked or partitioned into sections with individual protection, safeguarding vital parameters or firmware from accidental or malicious overwrites.

Housed in a space-saving 8-lead SOIC package, the AT24CM01-SSHM-T is designed for high-density applications where board real estate is at a premium. Its extended industrial temperature range (-40°C to +85°C) ensures stable performance in harsh environments, making it suitable for automotive, industrial, medical, and consumer applications.

ICGOODFIND: The Microchip AT24CM01-SSHM-T is an exemplary solution for designers seeking a secure, high-density, and reliable serial EEPROM. Its combination of a large 1-Mbit memory, robust security features for authentication, and flexible write protection makes it an ideal choice for securing intellectual property and sensitive data in next-generation connected devices.

Keywords:

Secure Authentication

High-Density EEPROM

I²C Interface

Hardware Write Protection

Non-Volatile Memory