The Microchip 24LC64T-E/SN: A Benchmark in Reliable Serial Memory

In the realm of embedded systems and IoT devices, the need for reliable, non-volatile memory for data storage and configuration parameters is paramount. The Microchip 24LC64T-E/SN stands out as a quintessential solution, offering 64 Kbits (8192 x 8) of robust EEPROM memory in a compact 8-lead SOIC package. This device serves as a critical component for designers seeking to add dependable, serial-electrically erasable memory to their applications.

Operating over a broad voltage range of 1.7V to 5.5V, the 24LC64T-E/SN is exceptionally versatile, making it suitable for a wide array of applications from battery-powered portable electronics to industrial mainframes. Its low-power consumption characteristics are a significant advantage, ensuring minimal drain on power resources, which is crucial for energy-sensitive designs.

Communication is handled via the ubiquitous I2C (Inter-Integrated Circuit) serial interface, supporting speeds of up to 400 kHz. This two-wire interface drastically reduces the number of I/O pins required on the host microcontroller, simplifying board layout and minimizing system cost. The chip features hardware write-protection via a dedicated pin, safeguarding critical data from unintended overwrites or corruption. Furthermore, it boasts a endurance of 1,000,000 erase/write cycles and data retention of over 200 years, underscoring its long-term reliability.

The 24LC64T-E/SN is designed with page write capability, allowing up to 32 bytes of data to be written in a single operation, thereby optimizing write efficiency. Its industry-standard SOIC package ensures easy integration and compatibility with standard assembly processes. Typical applications range from storing system setup data, user preferences, and calibration constants to logging data in medical devices, smart meters, automotive systems, and consumer electronics.

ICGOODFIND: The Microchip 24LC64T-E/SN is a highly reliable and efficient serial EEPROM solution. Its combination of a wide voltage range, low power consumption, robust I2C interface, and exceptional data retention makes it an ideal choice for engineers designing next-generation electronic products that demand non-volatile memory integrity.

Keywords: EEPROM, I2C Interface, Non-volatile Memory, Low-power, SOIC Package