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NM27C512Q

Manufacturer: NS

524,288-Bit (64K x 8) High Performance CMOS EPROM

Partnumber Manufacturer Quantity Availability
NM27C512Q NS 190 In Stock

Description and Introduction

524,288-Bit (64K x 8) High Performance CMOS EPROM The NM27C512Q is a high-performance, 512-kilobit (64K x 8) UV-erasable and electrically programmable read-only memory (EPROM) integrated circuit. Designed for applications requiring non-volatile storage, this component offers reliable data retention and fast access times, making it suitable for embedded systems, industrial controls, and legacy computing applications.  

Featuring a single 5V power supply, the NM27C512Q ensures compatibility with standard TTL logic levels, simplifying integration into existing designs. Its UV-erasable window allows for multiple reprogramming cycles, providing flexibility during development and testing phases. The device supports a typical access time of 150 ns, enabling efficient operation in time-sensitive environments.  

The NM27C512Q is housed in a durable 28-pin ceramic or plastic package, ensuring robustness in various operating conditions. Its low standby current consumption enhances power efficiency, making it a practical choice for battery-powered or energy-conscious systems.  

While newer flash memory technologies have largely replaced EPROMs in modern designs, the NM27C512Q remains relevant in applications requiring long-term stability, radiation resistance, or legacy system maintenance. Its straightforward interface and proven reliability continue to make it a dependable choice for engineers working with older architectures or specialized industrial solutions.

Application Scenarios & Design Considerations

524,288-Bit (64K x 8) High Performance CMOS EPROM

Alternative Part Number

  • M27C512-10F1 --: Pin-compatible 512Kbit UV EPROM with similar access time and DIP package, widely available as a direct substitute.
  • AM27C512-150DC --: Equivalent 512Kbit CMOS EPROM in 28-pin DIP with matching pinout and timing, suitable drop-in replacement.
  • TMS27C512-15JL --: 512Kbit UV-erasable EPROM with compatible organization and DIP footprint, usable as an alternative with slightly slower access time.
  • M27C512-15F1 --: Pin-compatible 512Kbit UV EPROM with similar access time and DIP package, widely available and a common drop-in replacement.

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