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AT49F002NT-70JI
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AT49F002NT-70JI

Product Overview

Category

AT49F002NT-70JI belongs to the category of non-volatile memory devices.

Use

It is primarily used for storing and retrieving digital information in electronic systems.

Characteristics

  • Non-volatile: Retains data even when power is turned off.
  • High storage capacity: 2 megabits (256 kilobytes).
  • Fast access time: 70 nanoseconds.
  • Low power consumption.
  • Reliable and durable.

Package

AT49F002NT-70JI is available in a plastic package, which provides protection against environmental factors such as moisture and dust.

Essence

The essence of AT49F002NT-70JI lies in its ability to store and retrieve digital data reliably and efficiently.

Packaging/Quantity

This product is typically packaged in reels or trays, with each reel or tray containing a specific quantity of AT49F002NT-70JI chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Memory Type: Flash
  • Memory Size: 2 Megabits (256 Kilobytes)
  • Access Time: 70 Nanoseconds
  • Supply Voltage: 5V
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: PLCC (Plastic Leaded Chip Carrier)
  • Pin Count: 32

Detailed Pin Configuration

  1. A16
  2. A15
  3. A14
  4. A12
  5. A7
  6. A6
  7. A5
  8. A4
  9. A3
  10. A2
  11. A1
  12. A0
  13. VPP
  14. WE#
  15. OE#
  16. CE#
  17. BYTE#
  18. NC
  19. DQ0
  20. DQ1
  21. DQ2
  22. DQ3
  23. DQ4
  24. DQ5
  25. DQ6
  26. DQ7
  27. VCC
  28. GND
  29. NC
  30. NC
  31. NC
  32. NC

Functional Features

  • Byte-wide and word-wide operations.
  • Sector erase capability.
  • Automatic sleep mode to reduce power consumption.
  • Hardware and software data protection mechanisms.
  • High-speed programming and erasing.

Advantages

  • Non-volatile nature ensures data retention even during power loss.
  • High storage capacity allows for storing large amounts of data.
  • Fast access time enables quick retrieval of information.
  • Low power consumption makes it suitable for battery-powered devices.
  • Reliable and durable, ensuring long-term data integrity.

Disadvantages

  • Limited storage capacity compared to other memory technologies.
  • Relatively higher cost per unit compared to some alternatives.
  • Requires specific programming and erasing procedures.

Working Principles

AT49F002NT-70JI utilizes flash memory technology, which is based on the principle of trapping electric charges in a floating gate. These trapped charges represent binary data (0s and 1s). The stored data can be accessed by applying appropriate voltage levels to the control pins and reading the resulting electrical signals from the data pins.

Detailed Application Field Plans

AT49F002NT-70JI finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT49F002NT-70JI are: - AT49BV002NT-70JI - AT45DB021E-SHN-T - SST39SF020A-70-4C-NHE

These models have comparable specifications and can be considered as alternatives based on specific requirements and compatibility with the target system.

Word count: 525 words

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AT49F002NT-70JI en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of AT49F002NT-70JI in technical solutions:

  1. Q: What is the AT49F002NT-70JI? A: The AT49F002NT-70JI is a 2-megabit (256K x 8) CMOS flash memory device manufactured by Atmel.

  2. Q: What are the key features of the AT49F002NT-70JI? A: The key features include a 70ns access time, low power consumption, sector erase capability, and compatibility with various microcontrollers.

  3. Q: How can I interface the AT49F002NT-70JI with a microcontroller? A: The AT49F002NT-70JI uses a standard parallel interface, making it compatible with most microcontrollers. You can connect it using address, data, and control lines.

  4. Q: Can I use the AT49F002NT-70JI as a boot device for my microcontroller? A: Yes, the AT49F002NT-70JI can be used as a boot device. It supports both single-byte and multiple-byte programming modes, allowing you to store and execute boot code.

  5. Q: What voltage levels does the AT49F002NT-70JI support? A: The AT49F002NT-70JI operates at a voltage range of 4.5V to 5.5V, making it compatible with most standard microcontroller supply voltages.

  6. Q: Can I perform in-system programming (ISP) on the AT49F002NT-70JI? A: No, the AT49F002NT-70JI does not support in-system programming. It requires a separate programming device or programmer to write data into the memory.

  7. Q: How many erase cycles can the AT49F002NT-70JI withstand? A: The AT49F002NT-70JI is rated for a minimum of 10,000 erase cycles per sector. This makes it suitable for applications that require frequent data updates.

  8. Q: What is the typical power consumption of the AT49F002NT-70JI? A: The AT49F002NT-70JI has a typical standby current of 100µA and a typical active current of 20mA during read or write operations.

  9. Q: Can I use the AT49F002NT-70JI in industrial temperature environments? A: Yes, the AT49F002NT-70JI is designed to operate in industrial temperature ranges (-40°C to +85°C), making it suitable for harsh environments.

  10. Q: Are there any specific precautions I should take when handling the AT49F002NT-70JI? A: It is recommended to follow standard ESD (Electrostatic Discharge) precautions when handling the AT49F002NT-70JI to prevent damage to the device.