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AT29C256-90JC

AT29C256-90JC Description

The AT29C256-90JC is a 256Kbit Flash memory IC chip designed by Microchip Technology. This device is organized as 32K x8 , providing a parallel memory interface. It features a surface-mount package, specifically a 32-lead plastic leaded chip carrier (PLCC), and is housed in a tube for convenient handling and storage. The AT29C256-90JC operates within a voltage range of 4.5V to 5.5V and is specified for an operating temperature range of 0°C to 70°C. With an access time of 90 nanoseconds and a write cycle time of 10 milliseconds for word or page operations, this Flash memory chip offers reliable performance for various applications. Although the product status is marked as obsolete, it remains a viable option for legacy systems and specific use cases. The AT29C256-90JC is classified under HTSUS code 8542.32.0071 and is REACH unaffected, ensuring compliance with environmental and safety regulations.

AT29C256-90JC Features

• Memory Organization: 32K x 8, providing a total of 256Kbit of Flash memory.
• Access Time: 90 ns, ensuring fast data retrieval.
• Write Cycle Time: 10 ms for word or page operations, balancing speed and reliability.
• Voltage Range: 4.5V to 5.5V, compatible with standard 5V systems.
• Operating Temperature: 0°C to 70°C, suitable for a wide range of environmental conditions.
• Parallel Interface: Efficient data transfer with parallel memory access.
• Surface Mount: 32-lead PLCC package, ideal for compact and high-density designs.
• Moisture Sensitivity Level: MSL 2 (1 Year), ensuring robustness in manufacturing processes.
• Compliance: REACH unaffected and EAR99 classification, adhering to international standards.

AT29C256-90JC Applications

The AT29C256-90JC is well-suited for applications requiring non-volatile memory storage with fast access times and reliable write cycles. Its parallel interface and 256Kbit capacity make it ideal for embedded systems, firmware storage, and small-scale data logging applications. The device's operating temperature range and surface-mount package further enhance its versatility, making it suitable for use in:

• Embedded Systems St:oring firmware and critical system data.
• Data Logging: Recording sensor data and operational parameters.
• Consumer Electronics: Providing non-volatile storage for configuration and user data.
• Industrial Control Systems: Ensuring reliable data retention in harsh environments.
• Legacy Systems: Replacing or upgrading older memory modules in existing designs.

Conclusion of AT29C256-90JC

The AT29C256-90JC, despite being marked as obsolete, remains a robust and reliable Flash memory solution for various applications. Its fast access time, balanced write cycle, and compatibility with standard 5V systems make it an attractive option for designers working with legacy systems or specific use cases. The device's compliance with environmental and safety regulations ensures its suitability for modern manufacturing processes. For applications requiring non-volatile memory storage with efficient data transfer and reliable performance, the AT29C256-90JC is a proven and effective choice.