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NM27C128QE-150 from NS,National Semiconductor

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NM27C128QE-150

Manufacturer: NS, NSC

131,072-Bit (16K x 8) High Performance CMOS EPROM

Partnumber Manufacturer Quantity Availability
NM27C128QE-150,NM27C128QE150 NS, NSC 5320 In Stock

Description and Introduction

131,072-Bit (16K x 8) High Performance CMOS EPROM The **NM27C128QE-150** is a high-performance **128K (16K x 8) UV-erasable programmable read-only memory (EPROM)** designed for applications requiring reliable non-volatile data storage. Operating at a **150ns access time**, this component ensures efficient data retrieval, making it suitable for embedded systems, industrial controls, and legacy computing applications.  

Featuring a **single 5V power supply**, the NM27C128QE-150 offers low power consumption while maintaining robust performance. Its **UV-erasable** capability allows for multiple reprogramming cycles, providing flexibility during development and testing phases. The device supports **standard EPROM interface protocols**, ensuring compatibility with a wide range of microprocessors and microcontrollers.  

Encased in a **32-pin ceramic DIP (Dual In-line Package)**, the NM27C128QE-150 is built for durability and long-term reliability. Its **industrial-grade** specifications make it suitable for harsh environments where consistent operation is critical.  

As an EPROM, the NM27C128QE-150 requires exposure to **ultraviolet light** for erasure before reprogramming, a characteristic that distinguishes it from modern EEPROM or Flash memory solutions. Despite newer alternatives, this component remains relevant in systems where stability and proven performance are prioritized over reprogramming convenience.  

For engineers working with legacy or specialized hardware, the NM27C128QE-150 provides a dependable solution for non-volatile memory needs.

Application Scenarios & Design Considerations

131,072-Bit (16K x 8) High Performance CMOS EPROM

Alternative Part Number

  • M27C128B-15F1 --: 128Kbit EPROM with 150ns access time, pin-compatible DIP-28 package and same 5V programming, a direct functional equivalent.
  • TMS27C128-15JL --: 128Kbit UV-erasable EPROM with 150ns speed in a 28-pin DIP, matches density, access time and interface of the original.
  • M27C128A-15F1 --: Alternative 128Kbit EPROM from a different series with 150ns timing and compatible pinout, usable as a drop-in replacement.
  • M27C128-15F1 --: 128Kbit EPROM with 150ns access time, pin-compatible DIP-28 replacement for the NM27C128QE-150.
  • MBM27C128-15 --: 128Kbit CMOS EPROM with 150ns access time, compatible pinout and timing for direct substitution.

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