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AT27C256R-90PI

AT27C256R-90PI Description

The AT27C256R-90PI is a 256Kbit EPROM (Erasable Programmable Read-Only Memory) IC, designed for high-performance applications requiring reliable data storage and retrieval. Manufactured by Microchip Technology, this memory IC chip features a parallel memory interface and is organized in a 32K x 8 configuration. The AT27C256R-90PI operates with a supply voltage range of 4.5V to 5.5V and offers an access time of 90 nanoseconds, ensuring rapid data access and efficient performance.

This IC is packaged in a through-hole 28DIP format, making it suitable for applications where robust mechanical stability and ease of installation are critical. The AT27C256R-90PI is housed in a tube package, which provides additional protection and ease of handling during assembly processes. Despite its obsolete status, the AT27C256R-90PI remains a reliable choice for legacy systems and applications that require compatibility with older hardware.

AT27C256R-90PI Features

• Memory Size: 256Kbit, organized as 32K x 8, providing ample storage for firmware and critical data.
• Access Time: 90 nanoseconds, ensuring fast data retrieval and efficient operation in time-sensitive applications.
• Voltage Range: 4.5V to 5.5V, offering flexibility and compatibility with a wide range of power supply configurations.
• Memory Interface: Parallel, allowing for high-speed data transfer and integration with various microcontrollers and processors.
• Package Type: Through-hole 28DIP, providing robust mechanical stability and ease of installation on printed circuit boards.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), indicating high resistance to moisture and suitability for various environmental conditions.
• ECCN: EAR99, indicating compliance with export regulations and ease of international deployment.
• REACH Status: REACH Unaffected, ensuring compliance with environmental and safety regulations.

AT27C256R-90PI Applications

The AT27C256R-90PI is ideal for applications requiring reliable and non-volatile memory storage. Its fast access time and robust design make it suitable for:

• Embedded Systems: Storing firmware and configuration data in embedded devices.
• Industrial Control Systems: Providing stable and reliable memory for PLCs and other industrial automation equipment.
• Telecommunications: Storing critical data in communication devices and infrastructure.
• Legacy Systems: Maintaining compatibility with older hardware and systems that require EPROM technology.
• Automotive Applications: Storing essential data in automotive control units and electronic systems.

Conclusion of AT27C256R-90PI

The AT27C256R-90PI is a high-performance EPROM IC that offers reliable data storage and fast access times. Its robust through-hole packaging and compatibility with a wide range of voltage supplies make it a versatile choice for various applications. Despite being obsolete, the AT27C256R-90PI remains a valuable component for legacy systems and applications where EPROM technology is still in use. Its compliance with international regulations and environmental standards ensures that it can be deployed with confidence in a variety of settings. For applications requiring non-volatile memory with fast access times and reliable performance, the AT27C256R-90PI is an excellent choice.