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AT29C257-12JC

AT29C257-12JC Description

The AT29C257-12JC is a high-performance, 256Kbit Flash memory IC designed by Microchip Technology. This device is organized as 32K x 8, providing a parallel memory interface that ensures efficient data transfer and storage. It operates within a supply voltage range of 4.5V to 5.5V and is optimized for industrial applications with an operating temperature range of 0°C to 70°C. The AT29C257-12JC features a 120 ns access time and a write cycle time of 10ms for word and page operations, making it suitable for applications requiring fast read and write operations. The device is housed in a surface-mount package, specifically a 32-lead plastic leaded chip carrier (PLCC), which is ideal for compact and reliable board designs. Although this product is now obsolete, it remains a notable option for legacy systems and specific applications where its unique features are still advantageous.

AT29C257-12JC Features

• Memory Organization: 32K x 8, offering a total memory size of 256Kbit.
• Memory Interface: Parallel, enabling efficient data transfer and compatibility with various systems.
• Access Time: 120 ns, ensuring rapid data retrieval and processing.
• Write Cycle Time: 10ms for word and page operations, facilitating quick data updates.
• Operating Temperature: 0°C to 70°C, suitable for a wide range of industrial environments.
• Voltage - Supply: 4.5V to 5.5V, providing flexibility in power supply requirements.
• Package: 32PLCC, surface-mount, ensuring compact and reliable board integration.
• Moisture Sensitivity Level (MSL): Level 2 (1 Year), indicating good resistance to moisture for reliable performance.
• ECCN: EAR99, indicating compliance with export regulations.
• REACH Status: REACH Unaffected, ensuring compliance with environmental regulations.

AT29C257-12JC Applications

The AT29C257-12JC is well-suited for a variety of applications where reliable, non-volatile memory is required. Its fast access time and write cycle time make it ideal for embedded systems, industrial controls, and telecommunications equipment. The device's parallel interface and compact PLCC package make it a versatile choice for systems with space constraints. Specific use cases include:

• Embedded Systems: Providing non-volatile storage for firmware and critical data.
• Industrial Controls: Ensuring reliable operation in harsh industrial environments.
• Telecommunications: Storing configuration data and firmware for communication devices.
• Legacy Systems: Replacing or upgrading existing memory solutions in older systems.

Conclusion of AT29C257-12JC

The AT29C257-12JC is a robust and reliable Flash memory IC that offers a balance of performance and compatibility. Despite its obsolete status, it remains a valuable component for specific applications where its unique features are still relevant. Its fast access time, efficient write cycle, and wide operating temperature range make it a reliable choice for industrial and embedded systems. For designers and engineers working with legacy systems or requiring a compact, reliable memory solution, the AT29C257-12JC is an excellent option to consider.