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NM27C256QE150 from NSC,National Semiconductor

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NM27C256QE150

Manufacturer: NSC, NS

256K-Bit (32K x 8) High Performance CMOS EPROM

Partnumber Manufacturer Quantity Availability
NM27C256QE150 NSC, NS 6104 In Stock

Description and Introduction

256K-Bit (32K x 8) High Performance CMOS EPROM The **NM27C256QE150** is a high-performance **256K-bit (32K 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 **150ns**, making it suitable for systems where speed and efficiency are critical.  

Built with advanced CMOS technology, the NM27C256QE150 offers low power consumption while maintaining robust performance. Its **single 5V power supply** requirement simplifies integration into various digital systems. The device supports standard **TTL-compatible inputs and outputs**, ensuring seamless compatibility with a wide range of microprocessors and logic circuits.  

The EPROM's **UV-erasable** capability allows for multiple reprogramming cycles, making it ideal for development and prototyping environments. Data retention is guaranteed for **at least 10 years**, ensuring long-term reliability in industrial, automotive, and embedded applications.  

With a **28-pin DIP (Dual In-line Package)**, the NM27C256QE150 is easy to handle and install. Its robust design and proven architecture make it a dependable choice for engineers seeking a cost-effective, high-density memory solution.  

Whether used in legacy systems or specialized hardware, the NM27C256QE150 remains a versatile and enduring component in the world of non-volatile memory.

Application Scenarios & Design Considerations

256K-Bit (32K x 8) High Performance CMOS EPROM

Alternative Part Number

  • M27C256B-15F1 --: Same 256Kbit EPROM density and 150ns access time, pin-compatible DIP-28 package, widely available from ST.
  • AT27C256R-15PU --: 256Kbit OTP EPROM with 150ns speed and DIP-28 pinout, direct functional replacement with good availability.
  • TMS27C256-15JL --: Equivalent 256Kbit EPROM with 150ns access time in DIP-28, suitable drop-in alternative for legacy designs.

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