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NMC27C256QE-250 from NS,National Semiconductor

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NMC27C256QE-250

Manufacturer: NS

250 ns, Vcc=5V+/-10%, 262,144-bit (32k x 8) UV erasable CMOS PROM

Partnumber Manufacturer Quantity Availability
NMC27C256QE-250,NMC27C256QE250 NS 45 In Stock

Description and Introduction

250 ns, Vcc=5V+/-10%, 262,144-bit (32k x 8) UV erasable CMOS PROM # Introduction to the NMC27C256QE-250  

The **NMC27C256QE-250** is a high-performance **UV-erasable programmable read-only memory (EPROM)** designed for applications requiring reliable non-volatile data storage. With a capacity of **256 kilobits (32K x 8 bits)**, this component provides ample space for firmware, boot code, or system configurations in embedded systems and industrial electronics.  

Operating at a **250-nanosecond access time**, the NMC27C256QE-250 ensures efficient data retrieval, making it suitable for systems with strict timing requirements. It features a **single 5V power supply**, simplifying integration into various circuit designs. The device supports standard **parallel interface protocols**, ensuring compatibility with a wide range of microcontrollers and processors.  

A key characteristic of this EPROM is its **UV-erasability**, allowing multiple reprogramming cycles after exposure to ultraviolet light. This feature makes it ideal for development environments where frequent firmware updates are necessary. Additionally, the NMC27C256QE-250 offers **low power consumption** in standby mode, enhancing energy efficiency in power-sensitive applications.  

Common uses include legacy computing, industrial automation, and telecommunications equipment where long-term data retention is critical. Its robust design and proven reliability make it a preferred choice for engineers working with older or specialized systems requiring stable, reprogrammable memory solutions.

Application Scenarios & Design Considerations

250 ns, Vcc=5V+/-10%, 262,144-bit (32k x 8) UV erasable CMOS PROM

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