IC Phoenix logo

Home ›  N  › N18 > NMC27C256Q-25

NMC27C256Q-25 from NS,National Semiconductor

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

NMC27C256Q-25

Manufacturer: NS, NSC

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

Partnumber Manufacturer Quantity Availability
NMC27C256Q-25,NMC27C256Q25 NS, NSC 17 In Stock

Description and Introduction

250 ns, Vcc=5V+/-5%, 262,144-bit (32k x 8) UV erasable CMOS PROM **Introduction to the NMC27C256Q-25 EPROM**  

The NMC27C256Q-25 is a high-performance 256K-bit (32K x 8) erasable programmable read-only memory (EPROM) designed for reliable data storage in embedded systems and industrial applications. Operating at a speed of 250 ns, this component ensures efficient data retrieval, making it suitable for firmware storage, microcontroller-based systems, and legacy hardware upgrades.  

Featuring a single 5V power supply, the NMC27C256Q-25 offers low power consumption while maintaining robust performance. Its non-volatile memory retains data even when power is removed, ensuring long-term reliability. The device supports standard EPROM programming methods, including UV erasure for reusability, providing flexibility in development and testing phases.  

With a durable ceramic package and industrial-grade temperature tolerance, the NMC27C256Q-25 is built to withstand demanding environments. Its compatibility with industry-standard pinouts ensures seamless integration into existing designs.  

Engineers and developers favor this EPROM for its balance of speed, endurance, and cost-effectiveness, making it a practical choice for applications requiring stable, long-term data storage without frequent updates. Whether used in industrial controls, telecommunications, or retro computing, the NMC27C256Q-25 remains a dependable solution for non-volatile memory needs.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • M27C256B-25F1 --: Pin-compatible 256Kbit UV EPROM with 250ns access time, direct functional replacement from a major EPROM vendor.
  • TMS27C256-25JL --: Equivalent 32K x 8 UV EPROM with 250ns speed grade, widely available and pin-compatible.
  • AM27C256-250DC --: Industry-standard 256Kbit CMOS EPROM with 250ns access time, drop-in compatible with the original device.

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips