Microchip Technology

AT29C040A-12JU  

Memory ICs Products

AT29C040A-12JU Description

The AT29C040A-12JU is a 4Mbit Flash memory IC chip manufactured by Microchip Technology. This device 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 120 nanoseconds. The write cycle time for this Flash memory is 10 milliseconds per word or page. The AT29C040A-12JU is housed in a surface-mount package and is available in a tube format. It is important to note that this product has been marked as obsolete by the manufacturer, but it remains a viable option for legacy systems and specific applications where its unique features are required.

AT29C040A-12JU Features

• Memory Interface: Parallel, ensuring compatibility with systems that require direct, high-speed data transfer.
• Memory Size: 4Mbit, providing a substantial amount of non-volatile storage for firmware, configuration data, and other critical information.
• Access Time: 120 ns, which ensures rapid data retrieval and enhances overall system performance.
• Write Cycle Time: 10ms per word/page, allowing for efficient write operations without compromising system responsiveness.
• Voltage Range: 4.5V to 5.5V, ensuring compatibility with a wide range of power supply configurations.
• Mounting Type: Surface Mount, which is ideal for modern PCB designs and facilitates compact and reliable installations.
• Package: Tube, offering protection and ease of handling during assembly processes.
• Compatibility: The AT29C040A-12JU is designed to be compatible with various microcontrollers and processors that support parallel memory interfaces.
• Durability: With a Moisture Sensitivity Level (MSL) of 2 (1 Year), the device is suitable for a variety of environmental conditions.
• Regulatory Compliance: The AT29C040A-12JU is REACH Unaffected and ROHS3 Compliant, ensuring it meets stringent environmental and safety standards.

AT29C040A-12JU Applications

The AT29C040A-12JU is ideal for applications requiring non-volatile memory with fast access times and reliable performance. Some specific use cases include:

• Embedded Systems: For storing firmware and critical system parameters in devices such as routers, modems, and industrial controllers.
• Consumer Electronics: In devices like digital cameras, where quick access to stored data is essential for performance.
• Automotive Electronics: For storing configuration data and firmware in vehicle control units.
• Medical Devices: To store critical calibration data and operational parameters in medical equipment.
• Legacy Systems: As a replacement or upgrade component in older systems that require Flash memory with parallel interface capabilities.

Conclusion of AT29C040A-12JU

The AT29C040A-12JU is a robust and reliable Flash memory IC chip that offers significant advantages in terms of performance and compatibility. Despite being marked as obsolete, its features make it a valuable component for specific applications where parallel memory interfaces and fast access times are crucial. Its compatibility with a wide range of voltage levels and its compliance with environmental and safety standards further enhance its appeal. For engineers and designers working with legacy systems or requiring a specific set of memory features, the AT29C040A-12JU remains a viable and effective solution.

AT29C040A-12JU Documents

Download datasheets and manufacturer documentation for AT29C040A-12JU

Datasheets :

AT29C040A-90JU,TU,12JU,TU      

PCN Packaging :

Transfer to Microchip/Label/Pkg 5/Sep/2016       MBB/Label Chgs 16/Nov/2018      

HTML Datasheet :

AT29C040A-90JU,TU,12JU,TU      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH