The X28C64J-25 is a 64K CMOS EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Intersil. It's a non-volatile memory device allowing for electrical erasure and reprogramming, making it useful for applications where in-system updates and reliable data retention are needed. The "-25" indicates an access time of 250ns.

Applications

• Embedded systems for storing configuration data and firmware.
• Industrial control systems for storing program parameters and calibration data.
• Telecommunications equipment for storing network configurations.
• Data logging applications for storing sensor readings and event data.
• Medical devices for storing patient data and device settings.
• Automotive electronics for storing engine control parameters and diagnostic information.
• Aerospace applications for storing flight control data and system configurations.
• Robotics for storing robot control programs and sensor data.

Features

• Capacity: 64Kbit (8K x 8) memory organization.
• Access Time: 250ns access time.
• Non-Volatile: Retains data even when power is removed.
• Electrically Erasable: Enables in-system reprogramming and updates.
• Low Power Consumption: CMOS technology for efficient power use.
• Page Write Mode: Allows for faster write operations.
• Data Protection: Prevents accidental data corruption.
• High Endurance: Supports a large number of erase/write cycles.
• JEDEC Standard Pinout: Ensures compatibility with industry-standard sockets.
• TTL Compatible: Compatible with TTL logic levels.

Benefits

• Flexibility: Facilitates easy updates and modifications to stored data without needing physical device replacement.
• Reliability: Guarantees data integrity and retention in critical systems.
• Efficiency: Reduces power consumption, which is beneficial for battery-powered applications.
• Cost-Effectiveness: Presents a cost-efficient solution for non-volatile memory requirements.
• Ease of Integration: Simplifies system design and implementation.
• Data Security: Protects against data loss and data corruption.

Additional Details

The X28C64J-25 operates with a single 5V power supply. It typically comes in a 28-pin PDIP (Plastic Dual In-Line Package). The device includes features like data polling and toggle bits to indicate the completion of write operations. This EEPROM provides a good combination of speed, reliability, and ease of use for a wide variety of embedded and industrial applications that require non-volatile memory with in-system programmability.