The AT28BV64B-20SU is a high-performance Electrically Erasable Programmable Read-Only Memory (EEPROM) integrated circuit manufactured by Microchip Technology. This device offers a robust storage solution for applications that require data retention without power, as well as the flexibility of in-system programmability. It is designed to deliver reliable data storage with a fast access time of 200 nanoseconds, making it suitable for high-speed microprocessor systems.

Key Features

• Memory Size: This EEPROM comes with a 64-Kilobit storage capacity, organized as 8,192 x 8 bits, which is ideal for storing configuration data, calibration constants, and other critical application parameters.
• Interface: The AT28BV64B-20SU features a parallel interface for easy integration with a wide range of microcontrollers and microprocessors.
• Operating Voltage: It operates at a voltage range of 2.7V to 5.5V, which allows for compatibility with both 3V and 5V systems, providing design flexibility across different power environments.
• Speed: The device boasts a fast access time of 200 nanoseconds, which ensures quick data retrieval and enhances overall system performance.
• Temperature Range: With an industrial temperature range of -40°C to +85°C, the AT28BV64B-20SU is resilient and can operate reliably in harsh environmental conditions.
• Packaging: It comes in a space-saving 28-lead SOIC package, which is suitable for surface-mount technology, allowing for a more compact PCB design.
• Endurance: Microchip Technology guarantees a minimum of 100,000 write cycles, ensuring a long service life for applications with frequent data updates.
• Data Retention: The device offers data retention of at least 10 years, providing a stable and durable storage solution over time.

Applications

The AT28BV64B-20SU is versatile and can be used in a wide array of applications, including but not limited to:

• Industrial control systems
• Medical devices
• Automotive electronics
• Telecommunication infrastructure
• Consumer electronics

With its combination of speed, reliability, and flexibility, the AT28BV64B-20SU from Microchip Technology is a compelling choice for designers looking for a non-volatile memory solution that can withstand the demands of both complex and simple electronic systems.