The X28C256DI-20 is a 256K 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 programmability and relatively fast access times.

Applications:

• Embedded Systems: Storing configuration data, calibration parameters, and firmware in microcontrollers and embedded processors.
• Industrial Control: Storing program code and data in PLCs, motor drives, and process controllers.
• Data Logging: Recording sensor data, event logs, and diagnostic information in industrial and automotive applications.
• Instrumentation: Storing calibration data and program parameters in test equipment and measurement instruments.
• Aerospace: Flight recorders and configuration storage where non-volatility is a must.

Features:

• 256Kbit Density: Provides 256 kilobits (32KB) of non-volatile storage capacity.
• Fast Access Time: Features an access time of 200ns allowing for fast read operations.
• In-System Programmability: Allows for reprogramming the memory without removing it from the circuit.
• Page Mode Write: Supports page mode write operations for faster programming.
• Automatic Page Write Operation: Simplifies the programming process.
• Data Protection: Incorporates data protection mechanisms to prevent accidental data corruption.
• JEDEC Standard Pinout: Conforms to JEDEC standard pinout for compatibility with other memory devices.

Benefits:

• Non-Volatile Storage: Retains data even when power is removed, ensuring data integrity.
• In-System Programmability: Allows for flexible updates and modifications without removing the memory from the system.
• Fast Access Time: Enables high-speed data retrieval and storage.
• Data Protection: Protects data from accidental corruption.
• Wide Application Range: Suitable for a variety of embedded systems and industrial applications.

Additional Details: The X28C256DI-20 typically operates on a 5V power supply. Its endurance is specified at a certain number of write/erase cycles. The device is available in various package options.