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AT28C256-25JC

AT28C256-25JC Description

The AT28C256-25JC is a 256Kbit EEPROM memory IC chip manufactured by Microchip Technology. This device is organized as 32K x 8, providing a parallel memory interface suitable for various embedded systems and applications requiring non-volatile memory storage. The AT28C256-25JC operates within a voltage range of 4.5V to 5.5V and features an access time of 250 ns, ensuring fast data retrieval. The write cycle time for a word or page is 10ms, making it efficient for applications that require frequent data updates.

This EEPROM chip is housed in a 32-lead plastic leaded chip carrier (PLCC) package and is designed for surface-mount applications. It operates within a temperature range of 0°C to 70°C, making it suitable for commercial and industrial environments. The AT28C256-25JC is REACH unaffected and classified under HTSUS code 8542.32.0051. The device is packaged in a tube and has a moisture sensitivity level (MSL) of 2, indicating a 1-year shelf life under controlled conditions.

AT28C256-25JC Features

• Non-V Memoryolatile: The AT28C256-25JC retains data even when power is removed, making it ideal for applications requiring persistent storage.
• Fast Access Time: With an access time of 250 ns, this EEPROM chip ensures quick data retrieval, enhancing system performance.
• Efficient Write Cycle: The 10ms write cycle time for words or pages allows for efficient data updates, suitable for dynamic applications.
• Parallel Interface: The parallel memory interface facilitates straightforward integration with microcontrollers and other system components.
• Wide Operating Voltage Range: The 4.5V to 5.5V supply voltage range provides flexibility in power supply design.
• Surface-Mount Compatibility: The surface-mount package type is ideal for modern PCB designs, ensuring compact and reliable installations.
• Commercial Temperature Range: The 0°C to 70°C operating temperature range makes it suitable for a wide range of commercial and industrial applications.

AT28C256-25JC Applications

The AT28C256-25JC is well-suited for applications that require reliable non-volatile memory storage and fast data access. Some specific use cases include:

• Embedded Systems: Ideal for storing firmware and configuration data in embedded devices.
• Industrial Control Systems: Provides persistent storage for critical system parameters and calibration data.
• Consumer Electronics: Used in devices such as printers, scanners, and other peripherals for user storing settings and operational data.
• Telecommunications: Suitable for storing network configuration and management data in communication equipment.
• Automotive Systems: Used in automotive electronics for storing calibration data and other critical information.

Conclusion of AT28C256-25JC

The AT28C256-25JC EEPROM memory IC chip from Microchip Technology offers a robust and reliable solution for non-volatile memory storage in various applications. Its fast access time efficient, write cycle, and wide operating voltage range make it a versatile choice for embedded systems, industrial control systems, and consumer electronics. Despite being marked as obsolete, the AT28C256-25JC remains a valuable component for applications requiring persistent data storage and quick data retrieval. Its surface-mount package and commercial temperature range further enhance its suitability for modern electronic designs.