Microchip Technology

AT28HC256-70SU-T

AT28HC256-70SU-T Description

The AT28HC256-70SU-T is an advanced 256Kbit EEPROM memory IC chip designed by Microchip Technology. This device is organized as 32K x 8, offering parallel memory interface capabilities. It is optimized for surface mount applications and comes in a 28-pin SOIC package, making it ideal for compact and high-density designs. The AT28HC256-70SU-T operates within a supply voltage range of 4.5V to 5.5V and features an access time of 70 nanoseconds, ensuring rapid data retrieval. The write cycle time for a word or page is 10 milliseconds, providing reliable and efficient data storage solutions. This EEPROM is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. Packaged in tape and reel (TR) format, it is suitable for automated assembly processes and has a moisture sensitivity level (MSL) of 2 (1 year).

AT28HC256-70SU-T Features

• Memory Organization: 32K x 8, providing a total of 256Kbit storage capacity.
• Access Time: 70 nanoseconds, ensuring fast read operations.
• Write Cycle Time: 10 milliseconds for word or page writes, balancing speed and reliability.
• Voltage Range: 4.5V to 5.5V supply voltage, offering flexibility in power requirements.
• Parallel Interface: Facilitates straightforward integration with parallel data buses.
• Surface Mount: Ideal for compact and high-density PCB designs.
• Environmental Compliance: REACH unaffected and RoHS3 compliant, ensuring safety and sustainability.
• Packaging: Tape and reel (TR) format, suitable for automated assembly processes.
• Moisture Sensitivity Level: MSL 2 (1 year), ensuring robustness in various environments.

AT28HC256-70SU-T Applications

The AT28HC256-70SU-T is well-suited for a variety of applications where reliable and efficient data storage is crucial. Its fast access time and moderate write cycle time make it ideal for systems requiring frequent read operations and occasional write operations. Some specific use cases include:

• Embedded Systems: Ideal for storing firmware and configuration data in embedded devices.
• Industrial Control: Suitable for storing calibration data and operational parameters in industrial control systems.
• Consumer Electronics: Can be used in devices such as digital cameras, printers, and gaming consoles for storing user settings and system configurations.
• Automotive Applications: Reliable storage solution for automotive electronics, such as engine control units and infotainment systems.
• Telecommunications: Used in networking equipment for storing configuration data and firmware updates.

Conclusion of AT28HC256-70SU-T

The AT28HC256-70SU-T from Microchip Technology is a versatile and reliable EEPROM memory IC chip. Its combination of fast access time, moderate write cycle time, and surface mount packaging make it an excellent choice for a wide range of applications. The device's compliance with environmental standards and its robustness against moisture further enhance its appeal. Whether used in embedded systems, industrial control, consumer electronics, automotive applications, or telecommunications, the AT28HC256-70SU-T provides a dependable and efficient data storage solution, ensuring that critical information is always accessible and secure.