The X28HC256SI-90 is a 256K (32K x 8) High Endurance CMOS EEPROM manufactured by Xicor Inc. It is designed for applications requiring frequent write cycles and non-volatile data storage.

Applications:

• Data Logging
• Industrial Control Systems
• Instrumentation
• Robotics
• Calibration Data Storage

Features:

• 256K (32K x 8) bit organization
• High endurance: 100,000 write cycles per byte
• Self-timed write cycle
• TTL compatible inputs and outputs
• Low power CMOS technology
• Single 5V power supply
• Automatic page write operation

Benefits:

• Reliable data storage even with frequent write operations
• Simplified write operations with self-timed write cycle
• Easy integration with other logic devices
• Reduced power consumption for extended battery life
• Simplified system design with single power supply requirement
• Faster write times due to automatic page write

Additional Details:

The X28HC256SI-90 EEPROM is designed with Xicor's advanced CMOS technology, providing high endurance and reliable data storage. The self-timed write cycle simplifies the write operation and eliminates the need for external timing components. The automatic page write feature significantly reduces write times. The high endurance of 100,000 write cycles per byte makes it suitable for applications requiring frequent data updates. Its TTL compatible inputs and outputs allow for easy interfacing with other TTL logic devices.

Access Time: 90 ns

Write Cycle Time: 5 ms (maximum)

Operating Temperature: 0°C to +70°C