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NM27C040V150 from NSC,National Semiconductor

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NM27C040V150

Manufacturer: NSC

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

Partnumber Manufacturer Quantity Availability
NM27C040V150 NSC 1153 In Stock

Description and Introduction

4,194,304 Bit (512K x 8) High Performance CMOS EPROM The **NM27C040V150** is a high-performance **4-megabit (512K x 8) UV-erasable programmable read-only memory (EPROM)** designed for applications requiring reliable non-volatile data storage. This component features a fast access time of **150 nanoseconds**, making it suitable for systems where speed and efficiency are critical.  

Built with **CMOS technology**, the NM27C040V150 offers low power consumption while maintaining robust performance. It operates on a single **5V power supply**, ensuring compatibility with a wide range of digital systems. The device supports **standard EPROM programming methods** and can be erased via **ultraviolet (UV) light exposure**, allowing for reprogramming as needed.  

With a **JEDEC-standard pinout**, the NM27C040V150 is easy to integrate into existing circuit designs. Its **wide temperature range** and durable construction make it suitable for industrial, automotive, and embedded applications. Additionally, the chip includes a **programming voltage (VPP) lockout feature**, enhancing data security during operation.  

Engineers and developers favor the NM27C040V150 for its **balance of speed, reliability, and reprogrammability**, making it a practical choice for firmware storage, microcontroller support, and legacy system upgrades. Its proven design ensures long-term stability in demanding environments.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • M27C4001-15F1 --: 4 Mbit UV EPROM with similar 150 ns access time and DIP-32 pinout, a direct functional replacement for the NM27C040.
  • AM27C040-150DC --: 4 Mbit CMOS EPROM with 150 ns speed grade and compatible pinout, widely used as a second source for 27C040 devices.
  • TMS27C040-15JL --: 4 Mbit EPROM with 150 ns access time and matching DIP-32 footprint, suitable as a drop-in alternative.

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