The Microchip 24LC01BHT-I/ST: A Benchmark in 1K Serial EEPROM Memory

In the realm of embedded systems and IoT devices, reliable non-volatile memory for data storage is a fundamental requirement. The Microchip 24LC01BHT-I/ST stands out as a quintessential solution, offering a robust and efficient method for storing critical parameters, calibration data, and system settings. This 1Kbit I2C serial EEPROM memory chip encapsulates a powerful combination of density, interface simplicity, and packaging in a single, tiny component.

Engineered for versatility, this chip provides 128 x 8 (1Kbit) of Electrically Erasable Programmable Read-Only Memory (EEPROM). The use of the I2C (Inter-Integrated Circuit) serial interface is a significant advantage, allowing communication with a microcontroller or processor using only two bidirectional open-drain lines: Serial Data (SDA) and Serial Clock (SCL). This drastically reduces the number of I/O pins required on the host controller, simplifying board layout and minimizing system cost.

A key feature of the 24LC01BHT-I/ST is its robust reliability and endurance. It is specified for over 1 million erase/write cycles and features a data retention period exceeding 200 years. This makes it an ideal choice for applications where data integrity over the product's lifetime is non-negotiable. The device operates across a broad voltage range (1.7V to 5.5V), supporting everything from modern low-power microcontrollers to legacy 5V systems. Its low power consumption is critical for battery-powered applications, further enhancing its appeal for portable and wireless designs.

The "H" in its part number denotes a high-temperature grade, indicating an operational range of -40°C to +125°C. This makes it suitable for deployment in harsh automotive, industrial, and aerospace environments where extreme temperature fluctuations are common. Housed in a space-saving SOT-23-5 package, it is perfect for applications where printed circuit board (PCB) real estate is at a premium.

Typical applications are vast and include:

Storing user settings in consumer electronics.

Data logging in industrial sensor nodes.

Storing calibration constants in medical devices.

Parameter storage in automotive modules.

Serving as a unique serial number or MAC ID repository in network devices.

In summary, the Microchip 24LC01BHT-I/ST delivers a compact, highly reliable, and easy-to-integrate non-volatile memory solution. Its adherence to the ubiquitous I2C standard, combined with its impressive specifications, ensures it remains a go-to component for engineers worldwide.

ICGOODFIND: The Microchip 24LC01BHT-I/ST is a high-reliability, low-power 1Kbit serial EEPROM in an ultra-small package, offering exceptional endurance and wide voltage operation for demanding design challenges.

Keywords:

I2C EEPROM

Non-volatile Memory

Serial Memory Chip

Low-Power Consumption

SOT-23 Package