Microchip Technology

AT29C257-70JI  

Memory ICs Products

AT29C257-70JI Description

The AT29C257-70JI is an obsolete but highly reliable 256Kbit Flash memory IC from Microchip Technology, designed for parallel memory interface applications. This device features a 32K x 8 memory organization, providing a total memory size of 256Kbit. It is housed in a 32-lead plastic leaded chip carrier (PLCC) package, suitable for surface-mount applications. The AT29C257-70JI operates within a supply voltage range of 4.5V to 5.5V and offers an access time of 70 nanoseconds, ensuring rapid data retrieval. The write cycle time for words or pages is 10 milliseconds, making it efficient for various memory-intensive tasks. This Flash memory IC is REACH unaffected and classified under ECCN EAR99, with a moisture sensitivity level (MSL) of 2 (1 Year), ensuring robustness in various environmental conditions.

AT29C257-70JI Features

• Memory Organization: The AT29C257-70JI features a 32K x 8 memory organization, providing a total memory size of 256Kbit. This configuration ensures efficient memory management and data storage.
• Parallel Memory Interface: The parallel memory interface allows for high-speed data transfer, making it suitable for applications requiring rapid data access and processing.
• Fast Access Time: With an access time of 70 nanoseconds, the AT29C257-70JI ensures quick data retrieval, enhancing overall system performance.
• Efficient Write Cycle Time: The write cycle time of 10 milliseconds for words or pages ensures efficient data writing, making it suitable for applications requiring frequent updates.
• Wide Supply Voltage Range: Operating within a supply voltage range of 4.5V to 5.5V, the AT29C257-70JI offers flexibility in power supply requirements.
• Surface-Mount Packaging: The 32-lead plastic leaded chip carrier (PLCC) package is designed for surface-mount applications, providing a compact and reliable solution for modern electronics.
• Environmental Compliance: The AT29C257-70JI is REACH unaffected and classified under ECCN EAR99, ensuring compliance with environmental regulations and standards.
• Moisture Sensitivity Level: With an MSL of 2 (1 Year), the AT29C257-70JI is suitable for various environmental conditions, ensuring long-term reliability and performance.

AT29C257-70JI Applications

The AT29C257-70JI is ideal for a variety of applications requiring reliable and efficient Flash memory solutions. Some specific use cases include:

• Embedded Systems: The fast access time and efficient write cycle time make it suitable for embedded systems requiring rapid data processing and storage.
• Industrial Control Systems: The robustness and wide supply voltage range ensure reliable performance in industrial environments.
• Networking Equipment: The parallel memory interface and high memory capacity make it ideal for networking applications requiring efficient data management.
• Consumer Electronics: The compact surface-mount package and environmental compliance make it suitable for consumer electronics requiring reliable memory solutions.

Conclusion of AT29C257-70JI

The AT29C257-70JI is a reliable and efficient 256Kbit Flash memory IC from Microchip Technology, offering a combination of fast access time, efficient write cycle time, and a wide supply voltage range. Its parallel memory interface and surface-mount packaging make it suitable for a variety of applications, including embedded systems, industrial control systems, networking equipment, and consumer electronics. Despite being obsolete, the AT29C257-70JI remains a robust and versatile memory solution, ensuring long-term reliability and performance in various electronic systems.

AT29C257-70JI Documents

Download datasheets and manufacturer documentation for AT29C257-70JI

Datasheets :

AT29C257      

PCN Packaging :

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

HTML Datasheet :

AT29C257      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH