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AT27C040-12RI
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AT27C040-12RI Description
AT27C040-12RI Description
The AT27C040-12RI is a 4Mbit EPROM (Erasable Programmable Read-Only Memory) IC designed for high-performance applications requiring reliable non-volatile storage. Manufactured by Microchip Technology, this memory IC chip features a parallel memory interface and is organized as 512K x 8, providing a robust solution for various electronic systems. The AT27C040-12RI operates within a supply voltage range of 4.5V to 5.5V and offers an access time of 120 ns, ensuring fast and efficient data retrieval. The device is packaged in a 32-pin SOIC (Small Outline Integrated Circuit) tube, making it suitable for surface-mount applications. Although the product is now obsolete, its technical specifications and performance benefits continue to make it a notable choice for specific use cases.
AT27C040-12RI Features
- Memory Size and Organization: The AT27C040-12RI provides 4Mbit of memory organized as 512K x 8, offering ample storage capacity for complex applications.
- Access Time: With an access time of 120 ns, this EPROM ensures rapid data retrieval, making it suitable for time-sensitive operations.
- Voltage Range: The device operates within a supply voltage range of 4.5V to 5.5V, providing flexibility in power supply requirements.
- Memory Interface: The parallel memory interface allows for efficient communication with other system components, enhancing overall system performance.
- Surface-Mount Compatibility: The 32SOIC package supports surface-mount technology, facilitating easy integration into modern printed circuit boards.
- Moisture Sensitivity Level: The MSL rating of 2 (1 Year) ensures the device remains protected from moisture during storage and handling, reducing the risk of damage.
- Compliance and Status: The AT27C040-12RI is REACH unaffected and classified under ECCN 3A991B1B1 and HTSUS 8542.32.0061, ensuring compliance with international regulations.
AT27C040-12RI Applications
The AT27C040-12RI is ideal for applications requiring non-volatile memory with fast access times and reliable performance. Specific use cases include:
- Embedded Systems: Ideal for embedded systems where non-volatile storage is necessary for firmware or critical data.
- Industrial Control: Suitable for industrial control applications where robust memory solutions are required for long-term data storage.
- Telecommunications: Can be used in telecommunications equipment for storing configuration data and firmware.
- Medical Devices: Provides reliable memory storage for medical devices requiring non-volatile data retention.
- Automotive Systems: Suitable for automotive applications where fast access times and reliable memory are crucial.
Conclusion of AT27C040-12RI
The AT27C040-12RI is a high-performance EPROM IC that offers significant advantages over similar models. Its 4Mbit memory capacity, organized as 512K x 8, combined with a fast 120 ns access time, makes it a reliable choice for applications requiring efficient data storage and retrieval. The device's compatibility with surface-mount technology and its compliance with international regulations further enhance its appeal. Although now obsolete, the AT27C040-12RI remains a viable option for specific applications, particularly in embedded systems, industrial control, telecommunications, medical devices, and automotive systems. Its robust design and performance benefits ensure that it continues to meet the needs of various industries.



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