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AT27C512R-45PC
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AT27C512R-45PC Description
AT27C512R-45PC Description
The AT27C512R-45PC is an EPROM (Erasable Programmable Read-Only Memory) device manufactured by Microchip Technology. This 512 Kbit memory IC chip features a parallel memory interface and is organized as 64K x 8 bits. It is designed for through-hole mounting and comes in a tube package, making it suitable for applications requiring robust physical installation. The AT27C512R-45PC operates within a voltage range of 4.5V to 5.5V and has an access time of 45 nanoseconds, ensuring fast data retrieval. Its operating temperature range is 0°C to 70°C, making it ideal for use in standard industrial environments. This product is classified under ECCN 3A991B1B2 and HTSUS 8542.32.0061, and it is REACH unaffected. The moisture sensitivity level (MSL) is 1 (unlimited), indicating it is not sensitive to moisture exposure. Although the product status is marked as obsolete, it remains a reliable choice for legacy systems and specific applications where its features are still highly valued.
AT27C512R-45PC Features
- Memory Size and Organization: The AT27C512R-45PC offers a memory size of 512 Kbit, organized as 64K x 8 bits, providing ample storage for firmware and other non-volatile data.
- Parallel Interface: The parallel memory interface ensures efficient data transfer and compatibility with a wide range of systems that require direct memory access.
- Fast Access Time: With an access time of 45 nanoseconds, this EPROM delivers quick data retrieval, enhancing overall system performance.
- Wide Operating Voltage Range: The device operates reliably within a voltage range of 4.5V to 5.5V, offering flexibility in power supply requirements.
- Robust Through-Hole Mounting: The through-hole mounting type ensures secure installation, making it suitable for applications where mechanical stability is crucial.
- Standard Operating Temperature Range: The operating temperature range of 0°C to 70°C makes it suitable for use in typical industrial and commercial environments.
- REACH Compliance: Being REACH unaffected, the AT27C512R-45PC meets stringent environmental and safety regulations, ensuring compliance with global standards.
- Moisture Resistance: With an MSL of 1 (unlimited), the device is highly resistant to moisture, reducing the risk of damage in humid environments.
AT27C512R-45PC Applications
The AT27C512R-45PC is well-suited for a variety of applications where non-volatile memory storage is required. Its robust design and fast access time make it ideal for:
- Embedded Systems: Providing reliable storage for firmware and critical data in embedded systems.
- Industrial Control: Ensuring stable operation in industrial control systems where data integrity and quick access are essential.
- Telecommunications: Storing configuration data and firmware in telecommunications equipment.
- Consumer Electronics: Used in legacy consumer electronics where its features and compatibility are still relevant.
- Automotive Systems: Suitable for automotive applications where the device’s operating temperature range and robustness are advantageous.
Conclusion of AT27C512R-45PC
The AT27C512R-45PC is a reliable and efficient EPROM device, offering a balance of performance, durability, and compliance with industry standards. Despite being marked as obsolete, its features and capabilities make it a valuable component for specific applications and legacy systems. Its fast access time, wide operating voltage range, and robust through-hole mounting ensure it remains a viable option for engineers and designers who require a dependable memory solution.



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