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AT28C040-20FI

AT28C040-20FI Description

The AT28C040-20FI is a 4Mbit EEPROM Memory IC Chip from Microchip Technology, designed for high performance and reliability in a variety of electronic applications. This IC features a parallel memory interface and is organized in a 512K x 8 memory format, providing substantial storage capacity. The AT28C040-20FI operates within a supply voltage range of 4.5V to 5.5V and offers an access time of 200 ns, ensuring rapid data retrieval. The write cycle time for word and page operations is 10ms, making it suitable for applications requiring frequent updates. The IC is packaged in a surface-mount 32FLATPACK, which is ideal for compact and space-efficient designs. Although the product is now obsolete, its robust design and performance characteristics make it a reliable choice for legacy systems and specific applications where its features are still highly valued.

AT28C040-20FI Features

• Memory Interface: Parallel interface for straightforward integration with microcontrollers and other system components.
• Memory Organization: 512K x 8, providing a total memory size of 4Mbit, which is ideal for applications requiring significant storage capacity.
• Access Time: 200 ns, ensuring fast data access and efficient system performance.
• Write Cycle Time: 10ms for word and page operations, balancing speed and reliability for frequent data updates.
• Voltage Range: 4.5V to 5.5V, offering flexibility and compatibility with various power supply configurations.
• Mounting Type: Surface mount, allowing for compact and space-efficient designs in modern electronic systems.
• Package: 32FLATPACK, which is robust and suitable for a wide range of industrial and consumer applications.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited), indicating high resistance to moisture and suitability for various environmental conditions.
• REACH Status: REACH Unaffected, ensuring compliance with environmental and safety regulations.
• ECCN: 3A001A2C, providing clarity on export control classification.

AT28C040-20FI Applications

The AT28C040-20FI is well-suited for a variety of applications where reliable, high-capacity EEPROM storage is required. Its fast access time and moderate write cycle time make it ideal for systems that need to frequently read and update data. Some specific use cases include:

• Embedded Systems: Ideal for embedded systems where non-volatile memory is essential for storing configuration data, firmware, and other critical information.
• Industrial Control: Suitable for industrial applications where robustness and reliability are paramount, such as programmable logic controllers (PLCs) and automation systems.
• Consumer Electronics: Can be used in consumer electronics for storing user settings, calibration data, and other non-volatile information.
• Telecommunications: Useful in telecommunications equipment for storing network configurations and other critical data that needs to be preserved across power cycles.
• Medical Devices: Applicable in medical devices where reliable data storage is crucial for patient safety and regulatory compliance.

Conclusion of AT28C040-20FI

The AT28C040-20FI from Microchip Technology is a high-performance EEPROM Memory IC Chip that offers a balance of speed, capacity, and reliability. Its parallel memory interface and 512K x 8 memory organization make it suitable for a wide range of applications, from embedded systems to industrial control. Despite being obsolete, the AT28C040-20FI remains a reliable choice for legacy systems and specific applications where its features are still highly valued. Its robust design, surface-mount package, and compliance with environmental regulations make it a versatile component in the electronics industry.