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AT27C256R-45PI

AT27C256R-45PI Description

The AT27C256R-45PI is a 256Kbit EPROM (Erasable Programmable Read-Only Memory) device manufactured by Microchip Technology. This memory IC is designed with a parallel memory interface and organized in a 32K x 8 configuration. It is housed in a through-hole 28DIP package and is suitable for a wide range of applications requiring non-volatile storage. The AT27C256R-45PI operates within a supply voltage range of 4.5V to 5.5V and offers an access time of 45 ns, ensuring fast data retrieval. This product is classified under HTSUS code 8542.32.0061 and is REACH unaffected. It is important to note that this product is currently marked as obsolete by the manufacturer, Microchip Technology.

AT27C256R-45PI Features

• Memory Organization: The AT27C256R-45PI features a 32K x 8 memory organization, providing a total memory capacity of 256Kbit. This configuration is ideal for applications requiring moderate storage capacity.
• Access Time: With an access time of 45 ns, the AT27C256R-45PI ensures rapid data retrieval, making it suitable for time-sensitive applications.
• Voltage Range: The device operates within a supply voltage range of 4.5V to 5.5V, providing flexibility in power supply requirements.
• Parallel Interface: The parallel memory interface allows for efficient data transfer and integration with various microcontroller and microprocessor systems.
• Packaging: The through-hole 28DIP package ensures robust mechanical stability and ease of integration into printed circuit boards.
• Moisture Sensitivity Level: The AT27C256R-45PI has a moisture sensitivity level (MSL) of 1 (unlimited), making it suitable for storage and handling in various environmental conditions.
• Compliance: The device is REACH unaffected, ensuring compliance with environmental and safety regulations.

AT27C256R-45PI Applications

The AT27C256R-45PI is well-suited for a variety of applications that require non-volatile storage and fast data access. Some specific use cases include:

• Embedded Systems: Ideal for embedded systems where firmware or configuration data needs to be stored and accessed quickly.
• Industrial Control: Suitable for industrial control applications where reliable and fast memory access is crucial for system performance.
• Telecommunications: Can be used in telecommunication equipment for storing critical data and ensuring system stability.
• Consumer Electronics: Applicable in consumer electronics for storing firmware and other non-volatile data.

Conclusion of AT27C256R-45PI

The AT27C256R-45PI is a reliable and efficient EPROM device that offers a balance of performance and capacity. Its fast access time and parallel interface make it suitable for applications requiring quick data retrieval. Despite being marked as obsolete, the AT27C256R-45PI remains a viable option for legacy systems and applications where its specific features are required. The device's compliance with environmental regulations and its robust packaging further enhance its suitability for a wide range of industrial and consumer applications.