The X2816AD25 is a 16K (2K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Xicor Inc. This memory device is designed for applications requiring non-volatile storage with in-system reprogrammability. It's suitable for storing configuration parameters, lookup tables, and other data that needs to be updated occasionally. This particular part number, X2816AD25, indicates a specific speed grade and operating voltage within the X2816A family.

Applications

• Industrial Control Systems: Storing calibration data, configuration settings, and program code for industrial equipment.
• Embedded Systems: Holding system parameters, boot code, and user preferences in embedded applications.
• Robotics: Storing robot arm positions, calibration data, and control algorithms.
• Instrumentation: Storing calibration constants and measurement settings for electronic instruments.
• Data Acquisition Systems: Used for storing configuration data and logged sensor readings.

Features

• 16K (2K x 8) EEPROM: Offers 16 kilobits of non-volatile storage capacity organized as 2048 bytes of 8 bits each.
• In-System Programmability: Allows for easy reprogramming without removing the device from the circuit.
• Fast Access Time (250ns): The "25" in the part number (X2816AD25) typically indicates an access time of 250ns.
• Page Write Mode: Supports page write operations for faster programming.
• Automatic Erase Before Write: Simplifies the write process by automatically erasing the memory location before writing new data.
• TTL Compatible: Directly compatible with TTL logic levels.
• Low Power Consumption: Designed for low power operation.

Benefits

• Non-Volatile Storage: Retains data even when the power is turned off.
• Reprogrammability: Allows for easy updates and modifications to the stored data.
• Fast Access: Provides fast data retrieval for quick system response.
• Simplified Programming: Automatic erase-before-write simplifies the programming process.
• Easy Integration: TTL compatibility facilitates easy integration into existing systems.

Additional Details

The X2816AD25 operates from a single 5V power supply. It's crucial to adhere to the manufacturer's recommended programming procedures to avoid damaging the memory. The datasheet provides detailed information on timing parameters, programming voltages, and data retention specifications. Proper decoupling of the power supply pins with capacitors is essential for stable operation. Be aware of the device's endurance rating (number of write/erase cycles) and avoid exceeding it. Check the datasheet for information on appropriate write protection methods.