AT24C256 I2C Interface EEPROM Memory Module

The AT24C256 I2C EEPROM Memory Module is a non-volatile memory solution based on the AT24C256 chip, offering 256Kb (32KB) of electrically erasable programmable memory. It communicates via the I²C interface, allowing easy integration with microcontrollers such as Arduino, Raspberry Pi, ESP32, and STM32. The module retains stored data even when power is removed, making it ideal for data logging and configuration storage applications.

Technical Specifications:

EEPROM IC: AT24C256
Memory Capacity: 256Kb (32KB)
Interface: I²C (Two-wire)
Operating Voltage: 2.7V – 5.5V
I²C Address Selection: A0, A1, A2 pins
Page Write Size: 64 bytes
Data Retention: Up to 100 years
Write Endurance: 1,000,000 write cycles
PCB Type: Breakout module with DIP pins
Compatibility: Arduino, ESP8266, ESP32, STM32, Raspberry Pi

Features:

Non-volatile memory retains data without power
Standard I²C communication for easy interfacing
Supports multiple devices on the same I²C bus
Configurable I²C address using onboard jumpers
Low power consumption
High endurance and long data retention
Compact PCB design for breadboard and PCB mounting

Applications:

Data logging systems
Configuration and parameter storage
IoT devices and embedded systems
Robotics memory expansion
Sensor calibration data storage
Industrial control systems
Arduino and microcontroller projects