The X28HC64JM-12 is a 64K-bit (8K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Xicor, now part of Intersil/Renesas. This memory device is designed for applications requiring non-volatile data storage with relatively fast access times. The "-12" likely indicates a 120ns access time.

Applications

• Embedded Systems
• Industrial Control Systems
• Instrumentation
• Robotics
• Firmware Storage
• Data Logging

Features

• 64K-bit (8K x 8) EEPROM
• Fast Access Time (likely 120 ns)
• 5V Single Supply Operation
• Self-Timed Write Cycle
• Automatic Page Write
• Data Polling for End-of-Write Detection
• High Endurance
• JEDEC Standard Pinout
• Available in various packages (likely DIP, SOIC)

Benefits

• Non-Volatile Data Storage: Retains data even when power is removed, ensuring critical information is preserved.
• Fast Access Time: Allows for quick retrieval of stored data, improving system performance.
• Simple Interface: Easy to integrate into microcontroller-based systems.
• High Endurance: Can withstand a significant number of write/erase cycles, extending the lifespan of the device.
• Reduced System Complexity: Self-timed write cycle and automatic page write simplify the write process.
• Improved System Reliability: Data polling feature enables accurate write cycle management.
• Cost-Effective Solution: Provides a reliable and affordable non-volatile memory option.

The X28HC64JM-12 operates from a single 5V power supply. It features a self-timed write cycle, simplifying the write operation and reducing the need for external timing circuitry. The automatic page write feature allows for efficient writing of multiple bytes of data. The data polling feature allows the host system to determine when the write cycle is complete, improving system efficiency. The high endurance of the device makes it suitable for applications where data is frequently updated. Its JEDEC standard pinout ensures compatibility with existing systems. The X28HC64JM-12 is commonly available in DIP (Dual In-line Package) and SOIC (Small Outline Integrated Circuit) packages, offering flexibility in PCB design. Overall, the X28HC64JM-12 provides a reliable and cost-effective solution for non-volatile data storage in a variety of embedded applications.