The Microchip 24LC01BT-I/SN: A Cornerstone of Serial Non-Volatile Memory

In the realm of embedded systems and electronics, the reliable storage of configuration data, calibration constants, or operational logs is a fundamental requirement. The Microchip 24LC01BT-I/SN stands as a quintessential solution, offering 1 Kbit of robust, non-volatile memory in a compact and industry-standard package. This serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chip provides a simple and highly effective method for adding memory functionality to a vast array of designs.

At its core, the 24LC01BT-I/SN is a 1Kbit (128 x 8) memory array organized as 128 bytes. It utilizes the ubiquitous I2C (Inter-Integrated Circuit) serial communication protocol, making it compatible with a tremendous range of microcontrollers, processors, and digital systems. This two-wire interface (comprising Serial Data - SDA and Serial Clock - SCL) drastically reduces the number of I/O pins required for communication, simplifying board layout and minimizing component count.

The device is designed for low-power operation, a critical feature for battery-powered and portable applications. It features a standby current of just 1 µA (max) and an active read current of 1 mA (max), ensuring minimal impact on overall system power budgets. Furthermore, it is rated for high endurance, capable of supporting over 1 million erase/write cycles per byte, and boasts a data retention period exceeding 200 years, guaranteeing data integrity over the lifetime of the product.

Housed in a space-saving 8-lead SOIC (SN) package, the 24LC01BT-I/SN is ideal for high-density PCB designs. Its operational voltage range of 1.7V to 5.5V allows for seamless integration into both 3.3V and 5.0V systems without the need for level shifters. Built-in hardware data protection is provided via write-protect (WP) pin functionality, safeguarding memory contents from accidental corruption.

Typical applications are extensive, including:

Storage of system parameters and configuration data in smart sensors.

Data logging in portable medical devices and meters.

Storing calibration coefficients in industrial control systems.

Preserving user settings in consumer electronics.

ICGOODFIND: The Microchip 24LC01BT-I/SN remains a highly reliable and versatile choice for designers seeking a proven, low-power, and easy-to-implement serial EEPROM solution. Its adherence to the standard I2C protocol and robust feature set make it a go-to component for countless non-volatile memory applications across industries.

Keywords: I2C EEPROM, Non-Volatile Memory, Low-Power, Serial Communication, SOIC Package.