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NMC27C256Q17 from NSC,National Semiconductor

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NMC27C256Q17

Manufacturer: NSC

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

Partnumber Manufacturer Quantity Availability
NMC27C256Q17 NSC 3 In Stock

Description and Introduction

170 ns, Vcc=5V+/-5%, 262,144-bit (32k x 8) UV erasable CMOS PROM # Introduction to the NMC27C256Q17  

The **NMC27C256Q17** is a high-performance **256Kbit (32K x 8) UV-erasable programmable read-only memory (EPROM)** designed for applications requiring non-volatile data storage. This component features a fast access time of **170ns**, making it suitable for systems where quick data retrieval is essential.  

Built with **CMOS technology**, the NMC27C256Q17 offers low power consumption while maintaining reliable performance. It supports a **single +5V power supply**, simplifying integration into various digital circuits. The device is organized as **32,768 words of 8 bits each**, providing ample storage for firmware, system BIOS, or other critical data.  

Key features include **UV-erasability**, allowing for multiple reprogramming cycles, and a **wide operating temperature range**, ensuring stability in diverse environments. The **JEDEC-standard pinout** ensures compatibility with industry-standard EPROM sockets and programmers.  

The NMC27C256Q17 is commonly used in **embedded systems, industrial controls, and legacy computing applications** where durable, reprogrammable memory is required. Its robust design and proven reliability make it a trusted choice for engineers working with older or specialized hardware.  

For optimal performance, proper handling and UV erasure procedures should be followed to maintain data integrity and extend the device's lifespan.

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