The X28C64J is a 64K CMOS EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Intersil. This non-volatile memory device is designed for applications requiring in-system programmability and reliable data storage. It can be electrically erased and reprogrammed, offering flexibility for firmware updates and data logging.

Applications

• Embedded systems requiring non-volatile storage for configuration data.
• Industrial control systems for storing program code and calibration parameters.
• Telecommunications equipment for storing network settings and firmware.
• Data logging applications in instrumentation and monitoring devices.
• Medical devices for storing calibration data and patient information.
• Automotive electronics for storing engine control parameters.
• Smart cards for storing personal data and application code.
• Consumer electronics for storing user preferences and settings.

Features

• Capacity: 64 Kbit (8K x 8) memory organization.
• Non-Volatile: Retains data without power.
• Electrically Erasable and Programmable: Allows for in-system updates and modifications.
• CMOS Technology: Low power consumption.
• Page Mode Write: Simplifies write operations and improves write performance.
• Data Protection: Prevents accidental data corruption.
• High Endurance: Capable of withstanding a large number of erase/write cycles.
• JEDEC Standard Pinout: Facilitates easy integration into existing systems.
• TTL Compatible: Interfaces directly with TTL logic levels.

Benefits

• Flexibility: In-system programmability reduces maintenance costs and downtime.
• Reliability: Non-volatile storage ensures data integrity even in power loss situations.
• Low Power: Suitable for battery-powered and energy-efficient applications.
• Ease of Use: Simplified write operations and standard pinout simplify system design.
• Data Security: Data protection features enhance data reliability.
• Long Lifespan: High endurance ensures reliable operation over time.

Additional Details

The X28C64J operates from a single 5V power supply. It is commonly available in a 28-pin DIP (Dual In-Line Package). Access times vary depending on the specific variant but are typically fast enough for most embedded applications. The device includes features such as data polling and toggle bit to indicate the completion of write operations. This EEPROM is a versatile and reliable solution for a wide range of applications needing non-volatile memory and in-system programmability.