AT24C02-10PC EEPROM Detailed Introduction:
Overview:
The AT24C02-10PC is a 2-wire serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chip manufactured by Microchip Technology. It offers 256 bytes of memory storage organized into 32 pages of 8 bytes each.
Parameters:
- Memory Size: 256 bytes (2K bits).
- I2C Interface: 2-wire bus communication for interfacing with microcontrollers.
- Operating Voltage: Voltage range required for proper operation.
- Operating Speed: Speed at which data can be read/written.
- Retain time: Data retention time when power is removed.
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DataSheet AT24C02-10PC PDF
Main Uses:
- Data Storage: Storing configuration data, calibration constants, or small amounts of user data.
- Embedded Systems: Used in various embedded applications requiring non-volatile memory.
- Identification: Storing unique device identifiers or settings.
- Security Tokens: Secure storage of encryption keys or authentication data.
Features:
- 2-Wire Interface: Utilizes I2C protocol for communication.
- Non-Volatile: Retains data even when power is removed.
- Small Footprint: Compact size for integration into various systems.
- Low Power Consumption: Ideal for power-sensitive applications.
- Page Write Capability: Allows for efficient batch writing of data.
Application Fields:
- Embedded Systems: Common in microcontroller-based designs.
- IoT Devices: Providing non-volatile memory in Internet of Things applications.
- Smart Sensors: Storing calibration data and device settings.
- Wearables: Configuration storage in small electronic devices.
Working Principle:
- I2C Communication: Data transfer between the EEPROM and the microcontroller using serial communication.
- Write Operation: Data is written by providing the device address, memory address, and data bytes to be stored.
- Read Operation: Data retrieval involves specifying the device address and memory location to read from.
- Addressing: Chips are typically addressable, allowing the connection of multiple devices on the same bus.
Alternative Models:
- AT24C04: Higher capacity 4K-bit (512 bytes) EEPROM from the same AT24C series.
- AT24C01A: Lower capacity 1K-bit (128 bytes) EEPROM for smaller storage needs.
- 24LC16B: Similar I2C EEPROM from Microchip with 16K-bit capacity.
The AT24C02-10PC EEPROM is a versatile memory chip suitable for various embedded applications requiring non-volatile memory storage. Consider alternative models like the AT24C04 or 24LC16B for higher-capacity requirements or specific project constraints. Detailed datasheets and specifications should guide your selection process based on the project's memory storage needs and compatibility with the system architecture.
