The AT24C64C-CWU-T is a 64 Kbit (8192 x 8) Serial Electrically Erasable and Programmable Read-Only Memory (EEPROM) from Microchip (formerly Atmel). This device features a 2-wire serial interface and is optimized for use in many industrial and commercial applications where low power and low voltage operation are essential. It's organized as 8192 words of 8 bits each. The device is available in a variety of packages including SOIC and TSSOP.

Applications

• Consumer Electronics: Used for storing configuration data and user settings in devices like TVs, set-top boxes, and DVD players.
• Industrial Control Systems: Employed in PLCs, motor drives, and other industrial equipment for storing calibration data and program parameters.
• Automotive Electronics: Used in automotive ECUs for storing sensor data, diagnostic codes, and other critical information.
• Medical Devices: Integrated into medical equipment for storing patient data, configuration settings, and calibration information.
• Networking Equipment: Used in routers, switches, and other networking devices for storing configuration settings and network parameters.

Features

• 64 Kbit (8192 x 8) EEPROM: Provides non-volatile storage for data and program parameters.
• 2-Wire Serial Interface: Uses a simple 2-wire interface (I2C) for easy communication with microcontrollers and other devices.
• Low Voltage Operation: Operates from a single 1.7V to 5.5V power supply.
• Low Power Consumption: Consumes very little power during operation and standby.
• Schmitt Triggered Inputs: Provides improved noise immunity on the SDA and SCL inputs.
• Write Protect Pin: Allows for hardware write protection of the entire memory array.
• Self-Timed Write Cycle: Automatically handles the write cycle, simplifying programming.

Benefits

• Non-Volatile Storage: Retains data even when power is removed.
• Easy to Use: The 2-wire interface simplifies communication and reduces the number of pins required.
• Low Power Consumption: Makes it suitable for battery-powered applications.
• High Reliability: Provides reliable data storage with a long endurance rating.
• Versatile: Can be used in a wide variety of applications.

Additional Details

The AT24C64C-CWU-T has a typical write cycle time of 5 ms. The device supports both byte write and page write operations. The page write mode allows for writing up to 64 bytes in a single operation, improving write performance. The I2C address is configurable, allowing multiple devices to be connected to the same bus. The device is typically available in an 8-lead SOIC package. Detailed specifications, including timing diagrams, electrical characteristics, and package information, can be found in the manufacturer's datasheet.