The AM28F020-90PC is a 2 Mbit (256K x 8) CMOS Flash memory device manufactured by AMD. This device is designed for non-volatile storage in embedded systems and other applications where in-system programmability is required.

Applications:

• Embedded Systems: Stores firmware, boot code, and application programs in microcontrollers and embedded processors.
• Industrial Control Systems: Used in industrial machinery for storing operating parameters and control algorithms.
• Telecommunications Equipment: Employed in network devices for storing configuration settings and software.
• Automotive Electronics: Used in engine control units (ECUs) for storing calibration data and control algorithms.
• Computer BIOS: Stores the Basic Input/Output System (BIOS) in personal computers and other computing devices.

Features:

• Non-Volatile Storage: Retains data even when power is removed, ensuring long-term storage reliability.
• In-System Programmability: Can be programmed and erased while installed in the system, allowing for easy updates.
• CMOS Technology: Offers low power consumption for energy-efficient operation.
• High Density: Provides 2 Mbit of storage in a compact package.
• Fast Access Time: Features a 90ns access time for quick data retrieval.
• Sector Erase Capability: Allows for selective erasure of memory sectors, minimizing erase time and maximizing endurance.

Benefits:

• Reliable Data Retention: Ensures data integrity with non-volatile memory technology.
• Easy Updates: In-system programmability simplifies software updates and system maintenance.
• Energy Efficiency: Low power consumption makes it suitable for battery-powered applications.
• Fast Performance: Quick access time allows for efficient system operation.
• Flexibility: Sector erase capability provides flexibility in managing memory.

Technical Specifications:

The AM28F020-90PC operates with a single 5V power supply. It features an access time of 90ns, allowing for fast data access. The device is typically available in a PDIP (Plastic Dual In-line Package) or PLCC (Plastic Leaded Chip Carrier). It is designed for high endurance, with the ability to withstand multiple program and erase cycles, making it suitable for applications requiring frequent updates.