onsemi

NM27C256N120

NM27C256N120 Description

The NM27C256N120 is an EPROM (Erasable Programmable Read-Only Memory) IC chip designed for a wide range of applications requiring non-volatile memory storage. Manufactured by onsemi, this 256Kbit memory device is organized as 32K x 8 bits and features a parallel memory interface. The NM27C256N120 operates within a supply voltage range of 4.5V to 5.5V and an ambient temperature range of 0°C to 70°C. It is housed in a through-hole package, specifically a tube, making it suitable for applications where robust mechanical stability is required. The chip has an access time of 120 nanoseconds, ensuring efficient data retrieval. Although the product is now obsolete, its technical specifications and performance characteristics still make it a viable option for certain legacy systems.

NM27C256N120 Features

• Memory Size and Organization: The NM27C256N120 offers a memory size of 256Kbit, organized as 32K x 8 bits. This configuration provides a substantial amount of non-volatile storage, ideal for applications requiring significant data retention.
• Parallel Memory Interface: The parallel interface allows for high-speed data transfer, making it suitable for systems that require rapid access to stored data.
• Operating Temperature and Voltage: With an operating temperature range of 0°C to 70°C and a supply voltage range of 4.5V to 5.5V, the NM27C256N120 is designed to perform reliably in a variety of environmental conditions.
• Access Time: The 120 ns access time ensures quick data retrieval, enhancing the overall performance of systems utilizing this memory chip.
• Through-Hole Mounting: The through-hole mounting type and tube packaging provide mechanical stability and durability, making the NM27C256N120 suitable for applications where physical robustness is crucial.
• Obsolete Status: While the NM27C256N120 is now obsolete, its technical specifications and performance benefits still make it a valuable component for certain legacy systems and applications.

NM27C256N120 Applications

The NM27C256N120 is ideal for a variety of applications that require non-volatile memory storage and efficient data retrieval. Some specific use cases include:

• Embedded Systems: The NM27C256N120 can be used in embedded systems where non-volatile memory is required to store firmware or critical data that must be retained even when power is lost.
• Industrial Control Systems: The robust mechanical stability and wide operating temperature range make this memory chip suitable for industrial control systems that operate in harsh environments.
• Telecommunications: The NM27C256N120 can be utilized in telecommunications equipment for storing configuration data and firmware, ensuring reliable operation and data integrity.
• Legacy Systems: Given its obsolete status, the NM27C256N120 is particularly valuable for maintaining and upgrading legacy systems that were originally designed with this component.

Conclusion of NM27C256N120

The NM27C256N120 is a reliable and efficient EPROM IC chip that offers significant non-volatile memory storage and fast data retrieval capabilities. Despite its obsolete status, its technical specifications and performance benefits make it a suitable choice for certain legacy systems and applications. The parallel memory interface, wide operating temperature range, and robust through-hole mounting type ensure that the NM27C256N120 can perform reliably in a variety of environments. For applications requiring non-volatile memory storage and efficient data access, the NM27C256N120 remains a viable option.