The XM28C040MHR-20 is a 4Mbit CMOS Flash Memory device manufactured by Xicor Inc. (later acquired by Intersil and then Renesas). It is a non-volatile memory solution, providing reliable data storage for a variety of applications.

Applications:

• Embedded Systems: Used for storing firmware and configuration data in embedded systems.
• Data Logging: Employed in data loggers for storing sensor data and other recorded information.
• Industrial Control Systems: Integrated into industrial control systems for storing program code and calibration parameters.
• Consumer Electronics: Found in consumer electronics devices for storing user settings and application data.
• Medical Devices: Used in medical devices for storing patient data and device configuration.
• Networking Equipment: Integrated into networking equipment for storing boot code and configuration files.

Features:

• 4Mbit Capacity: Provides 4 megabits of non-volatile storage.
• CMOS Technology: Utilizes CMOS technology for low power consumption.
• Fast Access Time: Offers a fast access time of 200ns, enabling quick data retrieval.
• Sector Erase: Supports sector erase, allowing for selective erasure of memory blocks.
• Single 5V Supply: Operates on a single 5V power supply.
• High Endurance: Offers a high endurance rating, ensuring long-term data retention.

Benefits:

• Non-Volatile Storage: Retains data even when power is removed, ensuring data integrity.
• Low Power Consumption: Minimizes power consumption, making it suitable for battery-powered applications.
• Fast Access Time: Enables quick data retrieval, improving system performance.
• Sector Erase: Allows for selective erasure of memory blocks, optimizing memory management.
• High Reliability: Provides reliable data storage for critical applications.

Technical Specifications (Typical):

• Memory Size: 4Mbit (512K x 8)
• Access Time: 200ns
• Operating Voltage: 5V ±10%
• Operating Temperature: -40°C to +85°C
• Endurance: 100,000 write cycles per sector
• Data Retention: 10 years

The XM28C040MHR-20 is a reliable and versatile flash memory solution for a wide range of applications requiring non-volatile data storage and fast access times.