Microchip Technology

AT28C256-15PI

AT28C256-15PI Description

The AT28C256-15PI is a 256Kbit EEPROM memory IC chip, designed for parallel interface applications. Manufactured by Microchip Technology, this chip features a 32K x 8 memory organization, offering a total of 256Kbit of non-volatile storage. The device is housed in a through-hole 28DIP package, making it suitable for a variety of industrial and embedded systems where reliable data storage is essential. The AT28C256-15PI operates within a supply voltage range of 4.5V to 5.5V and has an access time of 150 nanoseconds, ensuring fast data retrieval. With a write cycle time of 10 milliseconds, it provides efficient data writing capabilities. The chip is classified under HTSUS code 8542.32.0051 and has a moisture sensitivity level (MSL) of 1, indicating it is unaffected by moisture and can be stored without time constraints.

AT28C256-15PI Features

• Memory Interface: Parallel interface for straightforward integration with microcontrollers and microprocessors.
• Memory Size: 256Kbit, organized as 32K x 8, providing ample storage for firmware, configuration data, and other critical information.
• Access Time: 150 ns, ensuring rapid data access and minimizing system latency.
• Write Cycle Time: 10 ms, allowing for efficient data updates and modifications.
• Supply Voltage: Operates within a 4.5V to 5.5V range, ensuring compatibility with standard 5V systems.
• Package Type: Through-hole 28DIP, suitable for robust mechanical mounting and easy prototyping.
• Technology: EEPROM, offering non-volatile storage that retains data even when power is lost.
• Compatibility: Compatible with various parallel memory interfaces, making it versatile for different applications.
• Compliance: REACH unaffected, ensuring compliance with environmental regulations.
• Obsolete Status: While marked as obsolete, the AT28C256-15PI remains a reliable choice for legacy systems and applications where its specific features are required.

AT28C256-15PI Applications

The AT28C256-15PI is ideal for applications requiring reliable, non-volatile storage with fast access times. Its parallel interface and EEPROM technology make it suitable for:

• Embedded Systems: Storing firmware and configuration data in embedded devices.
• Industrial Control: Retaining critical parameters and settings in industrial control systems.
• Telecommunications: Storing network configuration and operational data.
• Consumer Electronics: Providing non-volatile storage for devices such as routers, modems, and set-top boxes.
• Automotive Systems: Storing calibration data and firmware in automotive electronic control units (ECUs).

Conclusion of AT28C256-15PI

The AT28C256-15PI is a robust EEPROM memory IC chip that offers a balance of performance and reliability. Its fast access time, efficient write cycle, and non-volatile storage make it a valuable component for a wide range of applications. Despite its obsolete status, the AT28C256-15PI remains a reliable choice for systems where its specific features are required. Its compatibility with standard 5V systems and ease of integration make it an ideal solution for both new designs and legacy systems. For applications requiring reliable data storage and fast access, the AT28C256-15PI is a proven and dependable option.