ON Semiconductor
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NM27C256NE150
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NM27C256NE150

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Non-volatile memory
  • Characteristics: High-speed, electrically erasable programmable read-only memory (EEPROM)
  • Package: 28-pin DIP (Dual In-line Package)
  • Essence: Stores and retrieves digital information even when power is turned off
  • Packaging/Quantity: Available in tubes or trays, quantity varies based on supplier

Specifications

  • Memory Size: 256 kilobits (32 kilobytes)
  • Organization: 32K x 8 bits
  • Access Time: 150 nanoseconds
  • Supply Voltage: 5 volts
  • Operating Temperature: -40°C to +85°C
  • Data Retention: More than 10 years
  • Endurance: 1,000,000 write/erase cycles

Pin Configuration

The NM27C256NE150 has a total of 28 pins. The pin configuration is as follows:

  1. A14
  2. A12
  3. A7
  4. A6
  5. A5
  6. A4
  7. A3
  8. A2
  9. A1
  10. A0
  11. VPP
  12. A8
  13. A9
  14. A11
  15. A10
  16. CE
  17. OE
  18. WE
  19. I/O0
  20. I/O1
  21. I/O2
  22. I/O3
  23. I/O4
  24. I/O5
  25. I/O6
  26. I/O7
  27. GND
  28. VCC

Functional Features

  • High-speed access and operation
  • Electrically erasable and programmable
  • Non-volatile memory retains data even without power
  • Easy integration into various electronic systems
  • Reliable and durable

Advantages and Disadvantages

Advantages: - High-speed access allows for quick data retrieval - Electrically erasable and programmable, enabling easy updates - Non-volatile memory ensures data retention during power loss - Versatile integration options in different electronic systems

Disadvantages: - Limited storage capacity compared to other memory types - Relatively higher cost per kilobit compared to larger memory chips

Working Principles

The NM27C256NE150 is based on EEPROM technology. It utilizes a grid of floating-gate transistors to store digital information. The stored data can be read, erased, and reprogrammed electrically. When the chip receives appropriate signals, it enables reading or writing operations by controlling the voltage levels on specific pins.

Detailed Application Field Plans

The NM27C256NE150 finds applications in various fields, including:

  1. Embedded Systems: Used for firmware storage in microcontrollers and other embedded devices.
  2. Automotive Electronics: Stores critical data such as calibration values, configuration settings, and diagnostic information.
  3. Industrial Control Systems: Provides non-volatile memory for storing program code, configuration parameters, and historical data.
  4. Consumer Electronics: Utilized in devices like set-top boxes, gaming consoles, and audio/video equipment for data storage and firmware updates.

Detailed and Complete Alternative Models

  1. AT28C256: Manufactured by Atmel, similar specifications and pin configuration.
  2. M27C256B: Produced by STMicroelectronics, comparable features and package type.
  3. 27C256: A widely available alternative from various manufacturers, compatible with NM27C256NE150.

These alternative models offer similar functionality and can be used as replacements for the NM27C256NE150 in various applications.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van NM27C256NE150 in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of NM27C256NE150 in technical solutions:

  1. Q: What is NM27C256NE150? A: NM27C256NE150 is a type of non-volatile memory chip, specifically an EPROM (Erasable Programmable Read-Only Memory), with a capacity of 256 kilobits.

  2. Q: What are some typical applications of NM27C256NE150? A: NM27C256NE150 is commonly used in various technical solutions such as embedded systems, microcontrollers, industrial control systems, automotive electronics, and legacy computer systems.

  3. Q: How does NM27C256NE150 store data? A: NM27C256NE150 stores data using floating-gate transistors that can be electrically programmed and erased.

  4. Q: Can NM27C256NE150 be reprogrammed? A: No, NM27C256NE150 is not electrically erasable or reprogrammable. Once programmed, the data remains stored permanently until it is erased using UV light.

  5. Q: What is the operating voltage range for NM27C256NE150? A: The operating voltage range for NM27C256NE150 is typically between 4.5V and 5.5V.

  6. Q: How fast can NM27C256NE150 access data? A: NM27C256NE150 has a typical access time of around 150 nanoseconds.

  7. Q: Can NM27C256NE150 withstand high temperatures? A: Yes, NM27C256NE150 is designed to operate reliably at extended temperature ranges, typically from -40°C to +85°C.

  8. Q: Does NM27C256NE150 require any special programming equipment? A: Yes, NM27C256NE150 requires a device programmer that supports EPROMs and provides the necessary voltage levels for programming.

  9. Q: Can NM27C256NE150 be used as a direct replacement for other EPROM chips? A: In most cases, yes. NM27C256NE150 has a standard pinout and can be used as a drop-in replacement for other 28-pin EPROMs with similar specifications.

  10. Q: Are there any limitations or considerations when using NM27C256NE150? A: Some important considerations include the need for UV erasure, limited endurance (typically around 10,000 erase/write cycles), and the requirement to handle the chip with proper ESD precautions during handling and installation.

Please note that these answers are general and may vary depending on specific datasheet information and application requirements.