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NMC27C512AQE250 from NSC,National Semiconductor

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NMC27C512AQE250

Manufacturer: NSC

250 ns, Vcc=5V+/-10%, 524,288-bit (64k x 8) UV erasable CMOS PROM

Partnumber Manufacturer Quantity Availability
NMC27C512AQE250 NSC 2 In Stock

Description and Introduction

250 ns, Vcc=5V+/-10%, 524,288-bit (64k x 8) UV erasable CMOS PROM # Introduction to the NMC27C512AQE250  

The NMC27C512AQE250 is a high-performance EPROM (Erasable Programmable Read-Only Memory) component designed for applications requiring reliable, non-volatile data storage. With a capacity of 512 kilobits (64K x 8 bits), this device is well-suited for embedded systems, industrial controls, and legacy computing applications where firmware or critical data must be retained without power.  

Operating at a speed of 250 ns, the NMC27C512AQE250 provides efficient read access, making it suitable for systems with moderate timing requirements. It features a single 5V power supply, simplifying integration into various circuit designs. The device utilizes ultraviolet (UV) light for erasure, allowing for reprogramming when necessary, though care must be taken to avoid accidental exposure to UV sources during normal operation.  

Housed in a durable ceramic or plastic package, the NMC27C512AQE250 offers robust performance in demanding environments. Its compatibility with industry-standard pinouts ensures easy replacement in existing designs. While newer flash memory technologies have largely replaced EPROMs in modern applications, this component remains a dependable choice for legacy systems and specialized use cases requiring proven reliability.  

For engineers working with older hardware or needing a stable, reprogrammable memory solution, the NMC27C512AQE250 continues to be a relevant and practical option.

Application Scenarios & Design Considerations

250 ns, Vcc=5V+/-10%, 524,288-bit (64k x 8) UV erasable CMOS PROM

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