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AT27C256R-12RI

AT27C256R-12RI Description

The AT27C256R-12RI is an EPROM (Erasable Programmable Read-Only Memory) device manufactured by Microchip Technology, designed for parallel memory interface applications. This 256Kbit memory IC chip is organized as 32K x 8, providing a substantial storage capacity for various electronic systems. The AT27C256R-12RI operates within a supply voltage range of 4.5V to 5.5V and features an access time of 120 ns, ensuring rapid data retrieval. The device is housed in a surface-mount 28SOIC package, making it suitable for compact and space-constrained designs. Despite its obsolete status, the AT27C256R-12RI remains a reliable choice for applications requiring non-volatile memory solutions.

AT27C256R-12RI Features

• Memory Organization: The AT27C256R-12RI is organized as 32K x 8, offering a total memory size of 256Kbit. This configuration allows for efficient storage and retrieval of data in a parallel memory interface.
• Access Time: With an access time of 120 ns, the AT27C256R-12RI ensures quick data access, making it suitable for applications requiring high-speed data processing.
• Voltage Range: The device operates within a supply voltage range of 4.5V to 5.5V, providing flexibility in power supply requirements.
• Surface Mount Packaging: The 28SOIC package is designed for surface-mount technology, enabling compact and reliable integration into modern electronic systems.
• Moisture Sensitivity Level (MSL): The AT27C256R-12RI has an MSL rating of 2 (1 Year), ensuring robustness against moisture-related issues during storage and handling.
• Compliance: The device is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations and standards.

AT27C256R-12RI Applications

The AT27C256R-12RI is ideal for a variety of applications that require non-volatile memory storage. Its parallel memory interface and fast access time make it suitable for:

• Embedded Systems: Providing reliable storage for firmware and critical data in embedded systems.
• Industrial Control: Storing configuration data and control parameters in industrial automation and control systems.
• Telecommunications: Used in telecommunication equipment for storing network configuration and operational data.
• Consumer Electronics: Ideal for consumer electronics where non-volatile memory is required for storing user settings and system data.

Conclusion of AT27C256R-12RI

The AT27C256R-12RI, despite being obsolete, remains a valuable component for applications requiring a reliable and efficient EPROM solution. Its 256Kbit memory capacity, organized as 32K x 8, and fast 120 ns access time make it suitable for high-speed data retrieval. The surface-mount 28SOIC package ensures easy integration into compact designs, while its compliance with REACH and ECCN standards ensures regulatory adherence. Although newer alternatives may exist, the AT27C256R-12RI continues to offer a robust and dependable memory solution for various electronic systems.