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NM27C040N-120 from NS,National Semiconductor

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NM27C040N-120

Manufacturer: NS

4,194,304 Bit (512K x 8) High Performance CMOS EPROM

Partnumber Manufacturer Quantity Availability
NM27C040N-120,NM27C040N120 NS 11 In Stock

Description and Introduction

4,194,304 Bit (512K x 8) High Performance CMOS EPROM # Introduction to the NM27C040N-120  

The **NM27C040N-120** is a high-performance **512K x 8-bit (4-megabit) UV-erasable EPROM** designed for applications requiring non-volatile memory storage. Operating at a **120ns access time**, this component is well-suited for systems where fast read operations are essential.  

Built using **CMOS technology**, the NM27C040N-120 offers low power consumption while maintaining reliable data retention. It features a **single 5V power supply**, making it compatible with standard logic levels. The device supports a **wide operating temperature range**, ensuring stability in various environmental conditions.  

The EPROM is organized in a **byte-wide configuration**, allowing straightforward interfacing with microprocessors and microcontrollers. Data can be erased via **ultraviolet (UV) light exposure**, enabling reprogramming for development and testing purposes.  

Key applications include **firmware storage, embedded systems, and legacy industrial equipment** where reprogrammability and long-term data integrity are critical. The **NM27C040N-120** remains a dependable choice for engineers working with older or specialized systems requiring robust EPROM solutions.  

With its **industry-standard pinout**, this component ensures compatibility with existing designs while delivering consistent performance in demanding applications.

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