Microchip Technology Tariff Inquiry

AT29C256-90PI

AT29C256-90PI Description

The AT29C256-90PI is a 256Kbit Flash memory IC chip manufactured by Microchip Technology. This device is designed with a parallel memory interface and organized in a 32K x 8 memory format, providing efficient data storage and retrieval capabilities. The AT29C256-90PI features an access time of 90 nanoseconds and a write cycle time of 10 milliseconds for word and page operations, ensuring high-speed performance in various applications. It operates within a supply voltage range of 4.5V to 5.5V, making it suitable for systems requiring stable power supply levels. The chip is housed in a through-hole package, specifically a tube, and has a moisture sensitivity level (MSL) of 1, indicating it is unaffected by moisture and can be stored without limitations. Although the product status is marked as obsolete, its robust technical specifications and performance benefits continue to make it a valuable component for certain legacy systems and applications.

AT29C256-90PI Features

• Memory Size and Organization: The AT29C256-90PI offers a total memory size of 256Kbit, organized in a 32K x 8 configuration. This structure allows for efficient storage and retrieval of data, making it ideal for applications requiring moderate to high data capacity.
• Access and Write Cycle Times: With an access time of 90 nanoseconds and a write cycle time of 10 milliseconds, the AT29C256-90PI ensures rapid data processing and storage. These timings are crucial for applications where quick data access and modification are essential.
• Voltage Range: The device operates within a supply voltage range of 4.5V to 5.5V, providing flexibility and stability in power supply requirements. This wide voltage range ensures compatibility with various power sources and reduces the need for additional voltage regulation components.
• Parallel Memory Interface: The parallel memory interface of the AT29C256-90PI allows for high-speed data transfer and efficient communication with other system components. This interface is particularly beneficial in applications where fast data throughput is required.
• Through-Hole Mounting: The through-hole package type ensures robust mechanical stability and ease of integration into printed circuit boards (PCBs). This mounting type is preferred in applications where durability and reliability are paramount.
• Moisture Sensitivity Level: With an MSL of 1, the AT29C256-90PI is unaffected by moisture, making it suitable for storage and operation in various environmental conditions without the need for special handling or packaging.

AT29C256-90PI Applications

The AT29C256-90PI is well-suited for a variety of applications, including:

• Embedded Systems: Ideal for embedded systems requiring non-volatile memory for storing firmware, configuration data, and other critical information. The fast access times and reliable performance make it a suitable choice for real-time applications.
• Industrial Control: In industrial control systems, the AT29C256-90PI can be used for storing calibration data, control algorithms, and operational parameters. Its robustness and stability ensure reliable performance in harsh industrial environments.
• Telecommunications: The device can be employed in telecommunications equipment for storing communication protocols, network configurations, and other essential data. The parallel interface and fast access times support efficient data handling in high-speed communication systems.
• Consumer Electronics: In consumer electronics, the AT29C256-90PI can be used for storing firmware and user settings in devices such as set-top boxes, digital cameras, and other appliances. Its compact size and reliable performance make it a suitable choice for these applications.

Conclusion of AT29C256-90PI

The AT29C256-90PI, despite being marked as obsolete, remains a reliable and efficient Flash memory IC chip with a wide range of applications. Its technical specifications, including a 256Kbit memory size, 90 nanosecond access time, and 10 millisecond write cycle time, make it a valuable component for systems requiring moderate to high data storage and fast data access. The parallel memory interface, through-hole mounting, and moisture sensitivity level of 1 further enhance its versatility and reliability. While newer alternatives may exist, the AT29C256-90PI continues to offer unique features and advantages, making it an ideal choice for legacy systems and specific applications where its performance benefits are crucial.