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AT28C256E-15PI

AT28C256E-15PI Description

The AT28C256E-15PI is a 256 Kbit EEPROM memory IC chip from Microchip Technology, designed for parallel interfacing applications. This device is organized as 32K x 8, providing a substantial memory capacity in a compact form factor. The AT28C256E-15PI features a parallel memory interface, enabling efficient data transfer and communication with microprocessors and other system components. It operates within a supply voltage range of 4.5V to 5.5V, ensuring compatibility with a wide range of power supply configurations. The chip's access time of 150 ns ensures rapid data retrieval, while its write cycle time of 10ms for word and page operations provides reliable and efficient data storage capabilities. The AT28C256E-15PI is housed in a through-hole package, specifically a 28-pin DIP (Dual Inline Package) format, making it suitable for applications requiring robust mechanical stability and ease of integration into printed circuit boards. This product is categorized under Memory IC Chips and is identified by the base product number AT28C256. It is important to note that the AT28C256E-15PI has been marked as obsolete by the manufacturer, Microchip Technology, indicating that it may no longer be in active production. However, its technical specifications and performance characteristics continue to make it a viable option for certain legacy systems and applications.

AT28C256E-15PI Features

• Memory Organization: The AT28C256E-15PI is organized as 32K x 8, providing a total memory capacity of 256 Kbit. This configuration allows for efficient storage and retrieval of data in 8-bit chunks, making it suitable for a variety of embedded systems and microcontroller applications.
• Parallel Interface: The parallel memory interface of the AT28C256E-15PI enables high-speed data transfer and seamless integration with microprocessors and other system components. This feature is particularly advantageous in applications requiring rapid data access and manipulation.
• Access Time: With an access time of 150 ns, the AT28C256E-15PI ensures quick data retrieval, enhancing the overall performance of the system. This fast access time is crucial for applications that require real-time data processing and quick response times.
• Write Cycle Time: The write cycle time of 10ms for word and page operations ensures reliable and efficient data storage. This characteristic is essential for applications that require frequent updates and modifications to stored data.
• Voltage Range: The AT28C256E-15PI operates within a supply voltage range of 4.5V to 5.5V, providing flexibility in power supply configurations. This wide voltage range ensures compatibility with various power sources and makes the device suitable for a broad range of applications.
• Through-Hole Mounting: The through-hole package of the AT28C256E-15PI, specifically the 28-pin DIP format, offers robust mechanical stability and ease of integration into printed circuit boards. This mounting type is ideal for applications requiring high reliability and durability.
• Obsolescence Status: While the AT28C256E-15PI is marked as obsolete by Microchip Technology, its technical specifications and performance characteristics continue to make it a viable option for certain legacy systems and applications. This status may also present opportunities for cost savings in scenarios where new production is not required.

AT28C256E-15PI Applications

The AT28C256E-15PI is well-suited for a variety of applications that require reliable and efficient data storage and retrieval. Some specific use cases include:

• Embedded Systems: The AT28C256E-15PI is ideal for embedded systems where a compact and reliable memory solution is required. Its parallel interface and fast access time make it suitable for applications such as microcontroller-based systems, industrial control units, and automotive electronics.
• Microcontroller Applications: The device's memory organization and parallel interface make it a suitable companion for microcontrollers, enabling efficient data storage and retrieval. This is particularly beneficial in applications that require frequent updates and modifications to stored data, such as firmware updates and configuration settings.
• Legacy Systems: Given its obsolescence status, the AT28C256E-15PI can be a cost-effective solution for maintaining and upgrading legacy systems. Its technical specifications and performance characteristics ensure compatibility with existing hardware and software, making it an ideal choice for prolonging the life of older systems.
• Industrial Control Units: The robust mechanical stability and through-hole mounting of the AT28C256E-15PI make it suitable for industrial control units that require high reliability and durability. Its fast access time and efficient data storage capabilities ensure smooth operation in demanding industrial environments.

Conclusion of AT28C256E-15PI

The AT28C256E-15PI is a versatile and reliable EEPROM memory IC chip that offers a range of technical specifications and performance benefits. Its parallel interface, fast access time, and efficient write cycle time make it suitable for a variety of applications, particularly in embedded systems and microcontroller-based designs. The through-hole mounting and wide voltage range further enhance its compatibility and ease of integration. Although marked as obsolete, the AT28C256E-15PI continues to be a viable option for certain legacy systems and applications, providing a cost-effective and reliable memory solution.