ON Semiconductor
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NM27C256N120
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NM27C256N120

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Non-volatile memory
  • Characteristics: High-speed, electrically erasable programmable read-only memory (EEPROM)
  • Package: DIP (Dual In-line Package)
  • Essence: Stores and retrieves digital information even when power is turned off
  • Packaging/Quantity: Available in tubes of 25 units

Specifications

  • Memory Size: 256 kilobits (32 kilobytes)
  • Access Time: 120 nanoseconds
  • Supply Voltage: 5 volts
  • Operating Temperature Range: -40°C to +85°C
  • Data Retention: 10 years

Pin Configuration

The NM27C256N120 has a total of 28 pins. The pin configuration is as follows:

  1. A15
  2. A12
  3. A7
  4. A6
  5. A5
  6. A4
  7. A3
  8. A2
  9. A1
  10. A0
  11. E (Chip Enable)
  12. G (Output Enable)
  13. Vss (Ground)
  14. Q7
  15. Q6
  16. Q5
  17. Q4
  18. Q3
  19. Q2
  20. Q1
  21. Q0
  22. Vcc (+5V Power Supply)
  23. A14
  24. A13
  25. A8
  26. A9
  27. A11
  28. A10

Functional Features

  • High-speed access and operation
  • Electrically erasable and reprogrammable
  • Non-volatile data storage
  • Low power consumption
  • Reliable and durable

Advantages and Disadvantages

Advantages: - Fast access time - Easy to use and program - Retains data even without power - Suitable for a wide range of applications

Disadvantages: - Limited storage capacity compared to other memory types - Requires careful handling to avoid damage

Working Principles

The NM27C256N120 is based on EEPROM technology. It uses a grid of floating-gate transistors to store digital information. The stored data can be read, erased, and reprogrammed electrically. When the chip enable (E) and output enable (G) pins are activated, the memory can be accessed by providing the appropriate address.

Detailed Application Field Plans

The NM27C256N120 is commonly used in various electronic devices and systems, including:

  1. Microcontrollers
  2. Embedded systems
  3. Industrial control systems
  4. Automotive electronics
  5. Communication equipment
  6. Consumer electronics

Alternative Models

Here are some alternative models that offer similar functionality:

  1. AT28C256-15PU - Atmel Corporation
  2. M27C256B-12F1 - STMicroelectronics
  3. CAT28C256H13I-90T - ON Semiconductor
  4. W27C256-45Z - Winbond Electronics

These alternatives provide comparable memory size, access time, and operating characteristics to the NM27C256N120.

In conclusion, the NM27C256N120 is a high-speed, electrically erasable programmable read-only memory (EEPROM) IC. It offers reliable non-volatile data storage and is widely used in various electronic applications. With its fast access time and easy programmability, it provides an efficient solution for storing and retrieving digital information.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de NM27C256N120 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of NM27C256N120 in technical solutions:

  1. Q: What is NM27C256N120? A: NM27C256N120 is a 32K x 8 low-power CMOS EPROM (Electrically Programmable Read-Only Memory) chip.

  2. Q: What is the maximum operating frequency of NM27C256N120? A: The maximum operating frequency of NM27C256N120 is typically 120 nanoseconds (ns).

  3. Q: How much data can NM27C256N120 store? A: NM27C256N120 can store up to 256 kilobits (32 kilobytes) of data.

  4. Q: Can NM27C256N120 be reprogrammed? A: No, NM27C256N120 is a one-time programmable memory chip and cannot be reprogrammed.

  5. Q: What is the supply voltage range for NM27C256N120? A: The supply voltage range for NM27C256N120 is typically between 4.5V and 5.5V.

  6. Q: Does NM27C256N120 require an external power supply? A: Yes, NM27C256N120 requires an external power supply within the specified voltage range.

  7. Q: What is the typical power consumption of NM27C256N120? A: The typical power consumption of NM27C256N120 is very low, usually less than 100 milliwatts (mW).

  8. Q: Can NM27C256N120 operate in harsh environments? A: NM27C256N120 is not specifically designed for harsh environments and may require additional protection in such conditions.

  9. Q: What is the recommended operating temperature range for NM27C256N120? A: The recommended operating temperature range for NM27C256N120 is typically between -40°C and +85°C.

  10. Q: Can NM27C256N120 be used in battery-powered devices? A: Yes, NM27C256N120's low power consumption makes it suitable for use in battery-powered devices.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer recommendations for NM27C256N120.