Microchip Technology

AT28HC256-12UM/883  

Memory ICs Products

AT28HC256-12UM/883 Description

The AT28HC256-12UM/883 is a 256Kbit EEPROM memory IC chip manufactured by Microchip Technology. This device features a parallel memory interface and is organized as 32K x 8, providing robust data storage capabilities. It operates within a supply voltage range of 4.5V to 5.5V and has an access time of 120 nanoseconds, ensuring rapid data retrieval. The write cycle time for a word or page is 10 milliseconds, making it suitable for applications requiring reliable and efficient data storage.

The AT28HC256-12UM/883 is housed in a through-hole package, specifically a 28-pin ceramic PGA (Pin Grid Array), which is ideal for applications where physical robustness and thermal stability are critical. This package type also facilitates easy integration into various electronic systems. The device is classified under ECCN 3A001A2C and HTSUS 8542.32.0051, and it is REACH unaffected, ensuring compliance with international regulations.

AT28HC256-12UM/883 Features

• Memory Size: 256Kbit EEPROM, providing ample storage for a variety of applications.
• Memory Organization: 32K x 8, allowing for efficient data organization and retrieval.
• Access Time: 120 ns, ensuring fast data access and minimal latency.
• Write Cycle Time: 10ms for word or page writes, balancing speed with reliability.
• Voltage Range: 4.5V to 5.5V supply voltage, ensuring compatibility with a wide range of power supplies.
• Package Type: 28-pin ceramic PGA, offering robustness and thermal stability.
• Mounting Type: Through-hole, facilitating secure and reliable integration into electronic systems.
• Moisture Sensitivity Level: MSL 1 (Unlimited), making it suitable for storage and use in various environmental conditions.
• Compliance: REACH unaffected and classified under ECCN 3A001A2C and HTSUS 8542.32.0051, ensuring regulatory compliance.

AT28HC256-12UM/883 Applications

The AT28HC256-12UM/883 is well-suited for a variety of applications where reliable and efficient data storage is required. Its robust design and performance characteristics make it ideal for:

• Embedded Systems: Providing non-volatile storage for firmware and critical data in embedded devices.
• Industrial Control Systems: Ensuring data integrity and reliability in harsh industrial environments.
• Telecommunications: Storing configuration data and firmware in communication equipment.
• Automotive Systems: Offering reliable data storage for automotive control units and infotainment systems.
• Medical Devices: Ensuring data integrity and reliability in medical equipment where data accuracy is critical.

Conclusion of AT28HC256-12UM/883

The AT28HC256-12UM/883 is a versatile and reliable EEPROM memory IC chip that offers a balance of performance and robustness. Its 256Kbit storage capacity, fast access time, and reliable write cycle time make it suitable for a wide range of applications. The through-hole 28-pin ceramic PGA package ensures physical durability and thermal stability, while its compliance with international regulations ensures ease of use in various markets.

Despite being marked as obsolete, the AT28HC256-12UM/883 remains a valuable component for applications where its specific features and performance characteristics are required. Its robust design and compliance with regulatory standards make it a reliable choice for engineers and designers in the electronics industry.

AT28HC256-12UM/883 Documents

Download datasheets and manufacturer documentation for AT28HC256-12UM/883

PCN Assembly/Origin :

AT28yyy 29/Aug/2019      

Datasheets :

AT28HC256      

PCN Packaging :

Boxes 07/Dec/2016       Transfer to Microchip/Label/Pkg 5/Sep/2016      

Design Resources :

AT28HC256 Development Tool Selector      

PCN Obsolescence/ EOL :

Reinstated 03/Jun/2019       PGA Pkg EOL 16/Sep/2016      

HTML Datasheet :

AT28HC256      

PCN Design/Specification :

AT28HC256 06/Jan/2021       AT28HC256 13/May/2020      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH