The CAT28F102N90 is a 1-Megabit CMOS Flash EEPROM manufactured by Catalyst Semiconductor. Organized as 128K x 8, it provides non-volatile storage with fast read access times.

Applications

• Embedded systems
• Networking devices
• Industrial control systems
• Data logging
• BIOS storage

Features

• High Density: 1 Megabit storage capacity.
• Fast Access Time: 90 ns read access time.
• Low Power CMOS Technology: Reduces power consumption.
• Sector Erase Architecture: Allows flexible sector or full chip erase.
• Automatic Page Write Operation: Simplifies programming.
• Data Protection: Prevents accidental writing during power transitions.
• TTL Compatible Inputs and Outputs: Ensures compatibility with standard logic circuits.

Benefits

• Large Storage Capacity: Suitable for storing firmware and data.
• Fast Read Performance: Ensures quick data retrieval.
• Low Power Consumption: Extends battery life in portable applications.
• Flexible Memory Management: Enables efficient memory utilization.
• Simplified Programming: Automatic Page Write simplifies the programming process.
• Data Integrity: Data protection mechanisms ensure data is not corrupted.
• Easy System Integration: TTL compatible interface simplifies integration.

Additional Details

The CAT28F102N90 operates on a single 5V power supply. It features a software data protection scheme to prevent accidental writes. The typical operating temperature range is -40°C to +85°C. It is available in various packages, including DIP and PLCC. The device supports multiple erase and write cycles, ensuring long-term reliability.