Microchip Technology

AT28C64B-15SA  

Memory ICs Products

AT28C64B-15SA Description

The AT28C64B-15SA is a 64Kbit EEPROM memory IC chip designed by Microchip Technology. This device offers a parallel memory interface and is organized in an 8K x 8 configuration, providing efficient data storage and retrieval capabilities. It is housed in a 28SOIC package and is suitable for surface mount applications. The AT28C64B-15SA operates within a supply voltage range of 4.5V to 5.5V and features an access time of 150 nanoseconds, ensuring rapid data access. The write cycle time for this EEPROM is 10 milliseconds, making it suitable for applications requiring frequent data updates. Despite its obsolescence, the AT28C64B-15SA remains a reliable choice for various electronic systems.

AT28C64B-15SA Features

• Memory Size and Organization: The AT28C64B-15SA offers a total memory size of 64Kbit, organized as 8K x 8, providing a substantial amount of storage space for data.
• Parallel Interface: The parallel memory interface allows for high-speed data transfer, making it suitable for applications requiring rapid data access and manipulation.
• Fast Access Time: With an access time of 150 nanoseconds, the AT28C64B-15SA ensures quick data retrieval, enhancing the overall performance of the system.
• Reliable Write Cycle: The write cycle time of 10 milliseconds ensures that data can be written and updated efficiently without significant delays.
• Wide Voltage Range: Operating within a supply voltage range of 4.5V to 5.5V, the AT28C64B-15SA is compatible with a variety of power supply configurations.
• Surface Mount Compatibility: The surface mount mounting type allows for easy integration into modern PCB designs, ensuring compatibility with contemporary manufacturing processes.
• Moisture Sensitivity Level: With a moisture sensitivity level (MSL) of 2 (1 Year), the AT28C64B-15SA is suitable for use in environments with varying humidity levels, ensuring long-term reliability.

AT28C64B-15SA Applications

The AT28C64B-15SA is ideal for a range of applications due to its robust performance and compatibility. Some specific use cases include:

• Embedded Systems: The AT28C64B-15SA is well-suited for embedded systems where reliable and fast data storage is required. Its parallel interface and fast access time make it an excellent choice for applications such as microcontroller-based systems.
• Industrial Control: In industrial environments, the AT28C64B-15SA can be used for storing configuration data, calibration parameters, and other critical information that needs to be accessed quickly and reliably.
• Telecommunications: For telecommunications equipment, the AT28C64B-15SA can store firmware and other essential data, ensuring that the system operates efficiently and can be updated as needed.
• Consumer Electronics: In consumer electronics, the AT28C64B-15SA can be used for storing user settings, device configurations, and other data that needs to be retained between power cycles.

Conclusion of AT28C64B-15SA

The AT28C64B-15SA is a versatile EEPROM memory IC chip that offers a combination of high-speed data access, reliable write cycles, and compatibility with a wide range of voltage supplies. Despite its obsolescence, its technical specifications and performance benefits make it a reliable choice for various applications, particularly in embedded systems, industrial control, telecommunications, and consumer electronics. The surface mount design and moisture sensitivity level ensure that it can be easily integrated into modern PCB designs and used in diverse environmental conditions.

AT28C64B-15SA Documents

Download datasheets and manufacturer documentation for AT28C64B-15SA

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       MBB/Label Chgs 16/Nov/2018      

Design Resources :

AT28C64B Development Tool Selector      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH