The Microchip 24AA64-I/MS: A Benchmark in Reliable Serial Memory

In the realm of embedded systems and IoT devices, the need for reliable, non-volatile memory for storing configuration data, calibration constants, or event logs is paramount. The Microchip 24AA64-I/MS stands out as a quintessential solution, offering 64 Kbits (8 KB) of robust EEPROM storage in a minuscule MSOP-8 package. This memory IC leverages the ubiquitous I2C serial interface, making it an ideal choice for space-constrained designs requiring simple and efficient communication with a host microcontroller.

Engineered for performance and endurance, this EEPROM supports byte-level and page-level write operations, with a page size of 32 bytes. This allows for flexible data management, enabling both fine-grained updates and efficient block writes. The device boasts a remarkable 1,000,000 erase/write cycles per cell and a data retention period of over 200 years, ensuring data integrity for the lifetime of virtually any product. Its wide voltage range (1.7V to 5.5V) makes it perfectly suited for both low-power battery-operated applications and standard 3.3V or 5V systems.

A key feature of the 24AA64 series is its built-in hardware write-protect pin. When asserted, this pin safeguards the entire memory array from unintended writes, providing a crucial layer of data security. Furthermore, the device incorporates noise suppression circuitry on the SCL and SDA lines, ensuring stable data transmission even in electrically noisy environments. With its combination of density, reliability, and a compact form factor, the 24AA64-I/MS continues to be a go-to component for designers across consumer electronics, industrial automation, and medical devices.

ICGOODFIND: The Microchip 24AA64-I/MS is a highly reliable and versatile serial EEPROM, offering an optimal blend of storage capacity, endurance, and security features in a miniature package, making it a superior choice for modern electronic designs.

Keywords: I2C Interface, Serial EEPROM, Non-Volatile Memory, Low-Power Operation, Data Retention