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AT27C256R-12PC
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AT27C256R-12PC Description
AT27C256R-12PC Description
The AT27C256R-12PC is a 256Kbit EPROM (Erasable Programmable Read-Only Memory) IC designed by Microchip Technology. This memory chip features a parallel memory interface and is organized in a 32K x 8 configuration, providing a total memory capacity of 256Kbit. It is housed in a through-hole 28DIP package and is suitable for a wide range of applications requiring non-volatile memory storage. The AT27C256R-12PC operates within a voltage range of 4.5V to 5.5V and has an access time of 120 ns, ensuring fast data retrieval. The operating temperature range is from 0°C to 70°C, making it suitable for commercial applications. This product is classified under ECCN EAR99 and HTSUS 8542.32.0061. It is REACH unaffected and has a moisture sensitivity level (MSL) of 1, indicating it is not sensitive to moisture exposure.
AT27C256R-12PC Features
- Memory Organization: The AT27C256R-12PC is organized as 32K x 8, providing a total of 256Kbit of non-volatile memory. This organization allows for efficient storage and retrieval of data.
- Parallel Interface: The parallel memory interface ensures high-speed data transfer, making it suitable for applications requiring rapid access to stored information.
- Fast Access Time: With an access time of 120 ns, the AT27C256R-12PC ensures quick data retrieval, enhancing overall system performance.
- Wide Operating Voltage Range: The chip operates within a voltage range of 4.5V to 5.5V, providing flexibility in power supply requirements.
- Commercial Temperature Range: The operating temperature range of 0°C to 70°C makes it suitable for a variety of commercial applications.
- Through-Hole Mounting: The through-hole mounting type ensures robust mechanical stability and is ideal for applications requiring high reliability.
- Obsolete Status: While the AT27C256R-12PC is now obsolete, it remains a reliable choice for legacy systems and applications where its specific features are still required.
AT27C256R-12PC Applications
The AT27C256R-12PC is well-suited for a variety of applications that require non-volatile memory storage. Some specific use cases include:
- Legacy Systems: Ideal for maintaining and upgrading older systems that rely on EPROM technology.
- Embedded Systems: Suitable for embedded applications where non-volatile memory is needed for firmware storage.
- Industrial Control: Can be used in industrial control systems where reliable memory storage is crucial for maintaining operational parameters.
- Consumer Electronics: Applicable in consumer electronics that require non-volatile memory for storing configuration data and firmware.
- Telecommunications: Useful in telecommunication equipment for storing critical data and configuration settings.
Conclusion of AT27C256R-12PC
The AT27C256R-12PC is a robust and reliable EPROM IC designed for applications requiring non-volatile memory storage. Its fast access time, parallel interface, and wide operating voltage range make it a versatile choice for various commercial applications. Despite its obsolete status, the AT27C256R-12PC remains a valuable component for legacy systems and specific applications where its unique features are still in demand. Its through-hole mounting and commercial temperature range further enhance its reliability and suitability for a wide range of environments.



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