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AT29C040A-90PI

AT29C040A-90PI Description

The AT29C040A-90PI is a 4Mbit Flash memory IC chip designed by Microchip Technology, featuring a parallel memory interface and a 512K x 8 memory organization. This Through Hole mounted chip operates within a voltage range of 4.5V to 5.5V and offers an access time of 90 ns. The write cycle time for a word or page is 10ms, making it suitable for applications requiring reliable and relatively fast data storage and retrieval. The AT29C040A-90PI is housed in a tube package and is classified under HTSUS code 8542.32.0071. It is important to note that this product is obsolete, but it still holds value for legacy systems and specific applications where its features are advantageous.

AT29C040A-90PI Features

• Memory Interface: Parallel, ensuring compatibility with systems that require direct, high-speed data transfer.
• Memory Organization: 512K x 8, providing a substantial amount of storage space in a compact form factor.
• Access Time: 90 ns, which is relatively fast for its memory capacity, ensuring efficient data retrieval.
• Write Cycle Time: 10ms for word or page writes, balancing speed with reliability.
• Voltage Range: 4.5V to 5.5V, offering flexibility in power supply requirements.
• Package: Tube, which is suitable for through-hole mounting and ensures robust physical protection.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), indicating that the chip is not sensitive to moisture, enhancing its reliability in various environmental conditions.
• REACH Status: REACH Unaffected, ensuring compliance with environmental and health regulations.
• ECCN: EAR99, indicating that the product is subject to the Export Administration Regulations (EAR) but is not specifically controlled.

AT29C040A-90PI Applications

The AT29C040A-90PI is ideal for a variety of applications where non-volatile memory is required. Its parallel interface and moderate access time make it suitable for embedded systems, industrial control units, and legacy computer systems that rely on flash memory for firmware storage and data retention. The chip's robustness and compatibility with a wide range of voltage levels make it a reliable choice for environments where power supply stability may vary.

Conclusion of AT29C040A-90PI

The AT29C040A-90PI, despite being obsolete, remains a valuable component for specific applications requiring a reliable 4Mbit flash memory solution with a parallel interface. Its 90 ns access time and 10ms write cycle time ensure efficient data handling, while its robust physical package and moisture resistance make it suitable for a variety of industrial and embedded environments. For systems that need to maintain compatibility with older hardware or require a specific memory configuration, the AT29C040A-90PI offers a viable and dependable option.