The AT28C64B20DM/883 is a high-performance, 64K (8K x 8) parallel EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by E2V. This EEPROM offers fast access times, low power consumption, and high endurance, making it suitable for a wide range of applications requiring non-volatile memory storage. The /883 designation indicates compliance with military-grade specifications, ensuring reliability and performance in harsh environments.

Applications

• Military Systems: Used in military communication equipment, radar systems, and other defense applications where high reliability is critical.
• Aerospace Applications: Implemented in aircraft control systems, satellite systems, and avionics equipment.
• Industrial Control Systems: Utilized in industrial automation equipment, programmable logic controllers (PLCs), and robotics.
• Data Logging: Suitable for data logging applications in industrial, scientific, and medical instruments.
• Embedded Systems: Integrated into embedded systems for storing configuration data, calibration parameters, and program code.
• Medical Equipment: Used in medical devices such as patient monitoring systems and diagnostic equipment.

Features

• 64K (8K x 8) Memory Organization: Provides a storage capacity of 64 kilobits, organized as 8192 bytes of 8 bits each.
• Fast Access Time: Features a fast read access time (e.g., 200ns), enabling quick retrieval of stored data.
• Low Power Consumption: Operates with low power consumption, making it suitable for battery-powered applications.
• High Endurance: Offers high endurance with a large number of erase/write cycles (e.g., 10,000 cycles), ensuring long-term data retention.
• Page Mode Write: Supports page mode write operations for faster programming.
• JEDEC Standard Pinout: Conforms to the JEDEC standard pinout, simplifying design and integration.
• Military Temperature Range: Operates over a wide military temperature range (-55°C to +125°C).
• /883 Screening: Undergoes stringent testing and screening processes to meet military-grade specifications.

Benefits

• Non-Volatile Data Storage: Retains data even when power is removed, ensuring reliable storage of critical information.
• Fast Access: Provides fast read access times, enabling quick retrieval of stored data.
• Low Power Operation: Consumes minimal power, making it suitable for battery-powered applications.
• High Reliability: Designed and tested to meet military-grade specifications, ensuring reliable operation in harsh environments.
• Easy Integration: JEDEC standard pinout simplifies design and integration into existing systems.

Additional Details

The AT28C64B20DM/883 EEPROM typically comes in a ceramic DIP (Dual In-line Package) or other hermetic packages suitable for military applications. It requires a single 5V power supply for operation. The device is programmed and erased electrically, allowing for in-system programmability. It is important to adhere to the manufacturer's recommended programming and erase procedures to ensure proper operation and data integrity. The datasheet provides detailed information on timing characteristics, electrical specifications, and application notes.