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The AT24C64AN is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Atmel (now part of Microchip Technology). Below are its key specifications, descriptions, and features:

Specifications:

• Memory Size: 64 Kbit (8 KB)
• Organization: 8192 x 8 bits
• Interface: I²C-compatible (2-wire serial)
• Operating Voltage: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Cycle Endurance: 1,000,000 cycles
• Data Retention: 100 years
• Page Size: 32 bytes
• Clock Frequency: Up to 400 kHz (I²C Fast Mode)
• Package Options: 8-lead PDIP, 8-lead SOIC, 8-lead TSSOP

Descriptions:

• The AT24C64AN is a low-power, high-reliability EEPROM designed for storing small amounts of non-volatile data.
• It supports sequential read operations for faster data access.
• Features a hardware write-protect pin (WP) to prevent accidental writes.
• Uses an I²C interface, making it compatible with a wide range of microcontrollers.

Features:

• Low Power Consumption:
• Active Read Current: 1 mA (typical)
• Standby Current: 6 µA (typical)
• Built-in Error Correction: Ensures data integrity.
• Self-Timed Write Cycle: No external timing components required.
• Partial Page Writes: Allows writing up to 32 bytes per operation.
• Device Addressing: Supports up to eight devices on the same bus (3 address pins).

This EEPROM is commonly used in applications such as data logging, configuration storage, and firmware updates in embedded systems.

Would you like additional details on pin configurations or application notes?