The 24AA64T-I/CS16K: A Robust 64K I²C Serial EEPROM Solution from Microchip

In the realm of embedded systems and IoT devices, the reliable and efficient storage of configuration data, calibration constants, or operational logs is paramount. The Microchip 24AA64T-I/CS16K stands out as a dedicated solution for these critical non-volatile memory tasks. This 64-Kbit serial EEPROM memory chip combines a robust feature set with the industry-standard I²C protocol, making it an excellent choice for a vast array of applications.

Engineered for performance and durability, this chip organizes its 64 Kbits of memory as an 8,192 x 8-bit array. A key advantage of the 24AA64T series is its 1.7V to 5.5V wide voltage range, allowing it to operate seamlessly in everything from advanced low-power microcontrollers to legacy 5V systems. This flexibility simplifies design and ensures compatibility across multiple generations of hardware. Furthermore, the device boasts a maximum clock frequency of 1MHz (Fast-mode Plus), enabling rapid data transfer and efficient system operation.

Beyond its core specifications, the 24AA64T-I/CS16K is packed with features designed for enhanced system integrity and design security. It includes hardware write-protection via a dedicated pin, safeguarding critical memory segments from accidental or malicious overwrites. For mission-critical applications, its ±1mA maximum write current ensures minimal power consumption during update cycles, which is crucial for battery-powered devices. The chip also offers page write capability of up to 32 bytes, allowing for more efficient writing of small data blocks compared to single-byte writes.

Housed in a compact CS16K package, this EEPROM is tailored for space-constrained PCB designs. Its extended temperature rating of -40°C to +85°C guarantees reliable operation in demanding industrial and automotive environments. Whether it's used for storing sensor data, device parameters, or security keys, the 24AA64T-I/CS16K provides a dependable and scalable memory foundation.

ICGOODFIND: The Microchip 24AA64T-I/CS16K is a highly versatile and reliable serial EEPROM. Its winning combination of a wide voltage range, Fast-mode Plus speed, hardware write-protection, and robust packaging makes it an superior choice for designers seeking a proven non-volatile memory solution for industrial, consumer, and automotive applications.

Keywords: I²C EEPROM, Non-volatile Memory, Wide Voltage Range, Hardware Write-Protection, Low-Power Operation