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NMC27C256QE250 from NSC,National Semiconductor

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NMC27C256QE250

Manufacturer: NSC

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

Partnumber Manufacturer Quantity Availability
NMC27C256QE250 NSC 4000 In Stock

Description and Introduction

250 ns, Vcc=5V+/-10%, 262,144-bit (32k x 8) UV erasable CMOS PROM The **NMC27C256QE250** is a high-performance **256Kbit (32K x 8) UV-erasable programmable read-only memory (EPROM)** designed for applications requiring reliable non-volatile data storage. Manufactured with advanced CMOS technology, this component offers fast access times, low power consumption, and robust endurance, making it suitable for embedded systems, industrial controls, and legacy computing applications.  

Featuring a **250ns access time**, the NMC27C256QE250 ensures efficient data retrieval, while its **single 5V power supply** simplifies integration into various circuit designs. The device supports **standard EPROM programming protocols**, allowing for flexible in-system updates when exposed to ultraviolet light for erasure. Its **28-pin DIP (Dual In-line Package)** provides a familiar footprint for easy PCB mounting and compatibility with existing designs.  

Key characteristics include **high noise immunity**, **low standby current**, and **wide operating temperature ranges**, ensuring stable performance in demanding environments. The NMC27C256QE250 is an ideal solution for applications requiring long-term data retention and reprogrammability without the need for additional power sources.  

Engineers and developers seeking dependable EPROM solutions will find this component a practical choice for firmware storage, microcontroller support, and other memory-intensive tasks.

Application Scenarios & Design Considerations

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

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