The AT24C64AN-SU27 is a 64Kbit EEPROM (Electrically Erasable Programmable Read-Only Memory) from Atmel. It is organized as 8192 words of 8 bits each. This EEPROM features a simple two-wire serial interface (I2C) for easy integration into microcontrollers and other digital systems. It is commonly used for storing small amounts of data that need to be retained even when power is removed.

Applications

• Configuration Data Storage: Used to store device configuration settings in embedded systems.
• Serial Number Storage: Storing unique serial numbers for identification purposes.
• User Preferences: Storing user-specific settings in consumer electronics.
• Data Logging: Logging sensor data or other parameters in data acquisition systems.
• System Identification: Storing system parameters or identification information.

Features

• 64Kbit (8192 x 8) EEPROM: Provides ample storage for configuration data and other small data sets.
• Two-Wire Serial Interface (I2C): Simplifies interfacing with microcontrollers and other digital devices.
• Low Voltage Operation: Operates from a wide voltage range, typically 1.8V to 5.5V.
• Write Protect Pin: Prevents accidental data modification.
• Self-Timed Write Cycle: Simplifies the write operation and reduces the need for external timing circuits.
• High Reliability: Offers high endurance and data retention.

Benefits

• Easy Integration: Two-wire serial interface simplifies connection to microcontrollers.
• Non-Volatile Storage: Data is retained even when power is removed.
• Low Power Consumption: Ideal for battery-powered applications.
• Data Protection: Write protect feature prevents accidental data corruption.
• Reliable Operation: High endurance and data retention ensure long-term reliability.

Additional Details

The AT24C64AN-SU27 is available in a variety of packages, including SOIC and TSSOP. It supports page write mode, allowing for faster data writing. The device is widely used in various applications where non-volatile data storage is required.