AT24C02D-XHM-T

The AT24C02D-XHM-T is a 2-wire serial EEPROM (Electrically Erasable Programmable Read-Only Memory) IC with a storage capacity of 2K bits. It features a wide voltage operation range and is capable of both read and write operations through a simple I2C interface, making it suitable for various embedded system applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• A0-A2: Device address input pins
• GND: Ground connection
• VCC: Positive power supply
• SDA: Serial data input/output
• SCL: Serial clock input

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the AT24C02D-XHM-T IC for a visual representation.

Key Features

• 2K-Bit Storage Capacity: Provides 256 bytes of storage for data retention.
• Wide Voltage Operation Range: Operates from 1.7V to 5.5V, allowing compatibility with various systems.
• I2C Interface: Supports simple two-wire communication for easy integration into designs.
• Read and Write Operations: Enables data retrieval and storage capabilities in the EEPROM.
• Self-Timed Write Cycle: Facilitates efficient write operations without the need for additional control signals.
• Multiple Device Address Options: Allows for implementation of multiple EEPROMs on the same bus with different addresses.

Note: For detailed technical specifications, please refer to the AT24C02D-XHM-T datasheet.

Application

• Embedded Systems: Ideal for storing configuration parameters, calibration data, and other information in embedded systems.
• Data Logging: Suitable for data logging applications where non-volatile memory is required for storing collected data.
• Security Systems: Used in security systems for storing access control information, user settings, and event logs.

Functionality

The AT24C02D-XHM-T provides non-volatile memory storage with easy interfacing through the I2C protocol. It offers reliable data retention and retrieval capabilities for various electronic applications.

Usage Guide

• Addressing: Configure the device address using the A0-A2 pins for communication in multi-device setups.
• Connection: Connect SDA and SCL pins to the microcontroller's corresponding I2C communication lines.
• Read/Write Operations: Use the I2C protocol commands to read from and write to the EEPROM memory.

Frequently Asked Questions

Q: What is the maximum clock frequency supported by the AT24C02D-XHM-T?
A: The AT24C02D-XHM-T can support clock frequencies up to 400kHz for fast data transfers.

Q: Is the AT24C02D-XHM-T compatible with 5V systems?
A: Yes, the AT24C02D-XHM-T has a wide voltage range and can be used with both 3.3V and 5V systems.