The X28C512P-25 is a 512K-bit CMOS EEPROM (Electrically Erasable Programmable Read-Only Memory) organized as 64K words by 8 bits. It is manufactured by Xicor Inc. and is designed for non-volatile memory applications requiring in-system electrical erasure and reprogramming. This particular model has an access time of 250ns.

Applications

• Storing configuration data in industrial control equipment.
• Non-volatile memory in programmable logic controllers (PLCs).
• Data storage in smart cards.
• Storing calibration parameters in instrumentation.
• Firmware storage in embedded systems.

Features

• Fast Access Time: 250ns access time ensures reasonable data retrieval speed.
• Single 5V Power Supply: Operates from a single 5V power source for ease of integration.
• In-System Programmable: Data can be electrically erased and reprogrammed without removing the device.
• Automatic Page Write: Simplifies the write operation by automatically handling the page write cycle.
• Data Protection: Prevents accidental data loss during power failures.
• TTL Compatible Inputs and Outputs: Enables seamless interfacing with TTL logic circuits.
• 64K x 8 Organization: Provides a memory capacity of 512 kilobits.

Benefits

• Easy Reprogrammability: Allows for firmware updates and data changes without physical removal of the chip.
• Data Security: Built-in protection features prevent unauthorized data access or modification.
• Simple Integration: The single 5V supply and TTL compatibility make it easy to incorporate into various designs.
• Reliable Operation: Provides non-volatile data storage with high endurance and data retention.
• Versatile Use: Suitable for a wide range of applications requiring non-volatile memory that can be updated.

Additional Details

The X28C512P-25 utilizes advanced CMOS technology to achieve reliable performance and low power consumption. The device's automatic page write feature streamlines the write process, reducing the complexity of system programming. It also provides data protection mechanisms to prevent data corruption during power loss or other unexpected events. The X28C512P-25 is often used in applications where periodic updates to stored data or firmware are necessary, and where reliable non-volatile storage is critical.