Microchip Technology Tariff Inquiry

AT27C256R-55PI

AT27C256R-55PI Description

The AT27C256R-55PI is a 256Kbit EPROM (Erasable Programmable Read-Only Memory) IC designed for parallel memory interface applications. Manufactured by Microchip Technology, this memory IC chip is housed in a through-hole 28-pin DIP package and is organized as 32K x 8 bits. It operates within a supply voltage range of 4.5V to 5.5V and offers an access time of 55 nanoseconds. The AT27C256R-55PI is classified under the HTSUS code 8542.32.0061 and is REACH unaffected, ensuring compliance with environmental regulations. The device is packaged in a tube and has a moisture sensitivity level (MSL) of 1, indicating it is not moisture-sensitive and can be stored without special precautions.

AT27C256R-55PI Features

• Memory Organization: The AT27C256R-55PI is organized as 32K x 8 bits, providing a total memory size of 256Kbit. This configuration is ideal for applications requiring moderate memory capacity with efficient data access.
• Access Time: With an access time of 55 nanoseconds, the AT27C256R-55PI ensures fast data retrieval, making it suitable for systems that require quick memory access to maintain high performance.
• Voltage Range: The device operates within a supply voltage range of 4.5V to 5.5V, offering flexibility in power supply requirements and ensuring compatibility with various electronic systems.
• Parallel Interface: The parallel memory interface allows for efficient data transfer and is well-suited for applications where high-speed data communication is essential.
• Through-Hole Mounting: The through-hole mounting type provides robust mechanical stability and is ideal for applications where reliability and durability are critical.
• Obsolete Status: Although the AT27C256R-55PI is marked as obsolete, it remains a reliable choice for legacy systems and applications where its specific features are still required.

AT27C256R-55PI Applications

The AT27C256R-55PI is well-suited for a variety of applications, particularly those requiring non-volatile memory with fast access times and moderate capacity. Key applications include:

• Embedded Systems: Ideal for embedded systems where non-volatile memory is needed to store firmware or critical data that must be retained even when power is lost.
• Industrial Control Systems: Suitable for industrial applications where reliability and durability are paramount, and the through-hole mounting ensures robustness in harsh environments.
• Telecommunications: Can be used in telecommunication equipment for storing configuration data and firmware that need to be accessed quickly and reliably.
• Automotive Electronics: Applicable in automotive systems for storing essential data and firmware, benefiting from the device's robustness and reliability.
• Consumer Electronics: Useful in consumer electronics for storing firmware and critical data, ensuring that the device can function correctly even after power loss.

Conclusion of AT27C256R-55PI

The AT27C256R-55PI is a reliable and efficient EPROM IC designed for parallel memory interface applications. Its 256Kbit memory size, organized as 32K x 8 bits, and fast 55 ns access time make it suitable for a wide range of applications requiring moderate memory capacity and quick data access. The device's through-hole mounting and robust design ensure durability and reliability, making it ideal for industrial, automotive, and consumer electronics applications. Despite its obsolete status, the AT27C256R-55PI remains a valuable component for legacy systems and applications where its specific features are still required.