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AT28HC256-90SA

AT28HC256-90SA Description

The AT28HC256-9SA0 is a 256Kbit EEPROM memory IC chip designed by Microchip Technology. This device is organized as 32K x 8, offering a parallel memory interface and a surface-mount mounting type. The AT28HC256-90SA operates within a supply voltage range of 4.5V to 5.5V and features an access time of 90 ns, making it suitable for high-speed data storage and retrieval applications. The write cycle time this for EEPROM is 10ms, ensuring reliable data writing capabilities. The chip is packaged in a tube and is categorized under the Memory IC Chips category. Despite its obsolescence, the AT28HC256-90SA remains a robust solution for specific applications requiring non-volatile memory storage.

AT28HC256-90SA Features

• Memory Organization: 32K x 8, providing a total memory size of 256Kbit.
• Memory Interface: Parallel, enabling efficient data transfer and communication with other system components.
• Access Time: 90 ns, ensuring rapid data access and retrieval.
• Write Cycle Time: 10ms, allowing for reliable and efficient data writing.
• Supply Voltage: 4.5V to 5.5V, ensuring compatibility with a wide range of power supply systems.
• Mounting Type: Surface Mount, facilitating easy integration into compact and space-constrained designs.
• Package Type: Tube, ensuring robust packaging for handling and storage.
• Moisture Sensitivity Level: MSL 2 (1 Year), indicating the chip's resistance to moisture, which is crucial for long-term reliability in various environmental conditions.
• Compliance: REACH Unaffected and ECCN EAR99, ensuring compliance with international regulations and standards.

AT28HC256-90SA Applications

The AT28HC256-90SA is ideal for applications requiring-v nonolatile memory storage with fast access times and reliable data writing capabilities. Specific use cases include:

• Embedded Systems: Ideal for storing firmware and configuration data in embedded systems where quick data access and reliability are critical.
• Industrial Automation: Suitable for industrial control systems that require robust and long-lasting memory solutions.
• Telecommunications: Can be used in telecommunication equipment for storing essential data and parameters.
• Consumer Electronics: Applicable in consumer electronics devices for storing user settings and data critical that need to be retained even when power is lost.
• Medical Devices: Useful in medical equipment for storing calibration data and patient information.

Conclusion of AT28HC256-90SA

The AT28HC256-90SA, despite being marked as obsolete, remains a reliable and efficient EEPROM memory IC chip. Its fast access time of 90 ns and write cycle time of 10ms make it suitable for applications requiring quick data retrieval and reliable writing. The chip's compatibility with a supply voltage range of 4.5V to 5.5V and its surface-mount mounting type ensure easy integration into various electronic designs. The AT28HC256-90SA's robust packaging and moisture sensitivity level of MSL 2 (1 Year) further enhance its reliability in diverse environmental conditions. While newer technologies may offer additional features, the AT28HC256-90SA remains a viable option for applications that require proven, reliable, and cost-effective non-volatile memory solutions.