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AT27C040-15PI

AT27C040-15PI Description

The AT27C040-15PI is a 4Mbit EPROM (Erasable Programmable Read-Only Memory) device manufactured by Microchip Technology. This memory IC chip is designed for parallel memory interface applications and features a 512K x 8 memory organization. It operates within a supply voltage range of 4.5V to 5.5V and offers an access time of 150 ns. The AT27C040-15PI is housed in a through-hole package, specifically a 32-pin DIP (Dual In-line Package) and is available in a tube packaging format. This product is classified under the HTSUS code 8542.32.0061 and has an ECCN (Export Control Classification Number) of 3A991B1B1. It is important to note that the AT27C040-15PI is currently in an obsolete product status, indicating that it is no longer in active production. However, it remains a viable option for legacy systems and specific applications where its unique features are required. The device is REACH unaffected, ensuring compliance with environmental and chemical regulations.

AT27C040-15PI Features

• High-Density Memory Storage: The AT27C040-15PI provides 4Mbit of memory storage, organized as 512K x 8, making it suitable for applications requiring substantial data storage.
• Fast Access Time: With an access time of 150 ns, this EPROM ensures rapid data retrieval, enhancing system performance in time-sensitive applications.
• Wide Operating Voltage Range: The device operates within a supply voltage range of 4.5V to 5.5V, providing flexibility and compatibility with various power supply configurations.
• Parallel Memory Interface: The parallel memory interface allows for efficient data transfer and integration with other parallel bus systems.
• Through-Hole Mounting: The through-hole mounting type ensures robust mechanical stability and is ideal for applications requiring high reliability and durability.
• Moisture Sensitivity Level (MSL): The AT27C040-15PI has an MSL of 1 (Unlimited), indicating it is not sensitive to moisture, which is beneficial for storage and handling in various environments.
• Programmability: Although the DigiKey programmability status is not verified, the device can be programmed using standard EPROM programming techniques, allowing for customized data storage solutions.

AT27C040-15PI Applications

The AT27C040-15PI is ideal for a variety of applications that require non-volatile memory storage with fast access times. 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 Systems: Suitable for industrial applications where reliable and durable memory solutions are required.
• Telecommunications: Can be used in telecommunication equipment for storing essential configuration and operational data.
• Medical Devices: Applicable in medical devices where data integrity and quick access are crucial.
• Automotive Systems: Useful in automotive applications for storing critical system parameters and firmware.
• Legacy Systems: Perfect for maintaining and upgrading legacy systems where the AT27C040-15PI's specific features are already integrated.

Conclusion of AT27C040-15PI

The AT27C040-15PI, despite its obsolete status, remains a valuable component for specific applications requiring a 4Mbit EPROM with a parallel memory interface. Its fast access time, wide operating voltage range, and robust through-hole mounting make it a reliable choice for various industrial, embedded, and legacy systems. While it may not be suitable for new designs, the AT27C040-15PI continues to provide a reliable memory solution for existing systems and applications where its unique features are essential.