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AT49F002NT-12PC

AT49F002NT-12PC

Product Overview

Category

AT49F002NT-12PC belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving data in electronic systems.

Characteristics

  • Non-volatile: The stored data is retained even when power is removed.
  • High capacity: The AT49F002NT-12PC has a storage capacity of 2 megabits (256 kilobytes).
  • Fast access time: It operates at a speed of 120 nanoseconds.
  • Low power consumption: The device is designed to minimize power usage.
  • Durable: It can withstand multiple read and write cycles without degradation.

Package

The AT49F002NT-12PC is available in a 32-pin plastic dual in-line package (PDIP).

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

The AT49F002NT-12PC is typically packaged in tubes or trays, with a quantity of 25 pieces per tube/tray.

Specifications

  • Memory Type: Flash
  • Organization: 256K x 8 bits
  • Supply Voltage: 5V
  • Access Time: 120 ns
  • Operating Temperature Range: -40°C to +85°C
  • Erase/Program Cycle Endurance: 10,000 cycles

Detailed Pin Configuration

The AT49F002NT-12PC has a total of 32 pins. Here is the detailed pin configuration:

  1. A16
  2. A14
  3. A12
  4. A7
  5. A6
  6. A5
  7. A4
  8. A3
  9. A2
  10. A1
  11. A0
  12. VPP
  13. WE#
  14. OE#
  15. CE#
  16. BYTE#
  17. NC
  18. DQ0
  19. DQ1
  20. DQ2
  21. DQ3
  22. DQ4
  23. DQ5
  24. DQ6
  25. DQ7
  26. VCC
  27. GND
  28. A8
  29. A9
  30. A11
  31. A13
  32. A15

Functional Features

  • Easy integration: The AT49F002NT-12PC can be easily integrated into various electronic systems.
  • High-speed operation: It offers fast read and write operations, enabling efficient data access.
  • Versatile interface: The device supports a standard parallel interface for easy communication with other components.
  • Reliable data retention: The non-volatile nature of the memory ensures that stored data remains intact over extended periods.

Advantages and Disadvantages

Advantages

  • Non-volatile storage ensures data retention even during power loss.
  • High capacity allows for storing large amounts of data.
  • Fast access time enables quick retrieval of information.
  • Low power consumption helps conserve energy in electronic systems.

Disadvantages

  • Limited erase/program cycle endurance may restrict certain applications.
  • The 32-pin package may require additional space on the circuit board.

Working Principles

The AT49F002NT-12PC utilizes flash memory technology to store data. It consists of a grid of memory cells, each capable of holding one bit of information. These cells are organized into an array, and data is written or read by applying appropriate voltage levels to specific pins. The non-volatile nature of flash memory allows for long-term data storage without the need for continuous power supply.

Detailed Application Field Plans

The AT49F002NT-12PC finds application in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

  1. AT49F002NT-12PI: Similar to AT49F002NT-12PC, but available in a 32-pin plastic leaded chip carrier (PLCC) package.
  2. AT49F002NT-12JI: Similar specifications as AT49F002NT-12PC, but available in a 32-pin ceramic DIP (CDIP) package.

These alternative models offer similar functionality and can be used as substitutes for the AT49F002NT-12PC depending on specific requirements.

In conclusion, the AT49F002NT-12PC is a non-volatile memory device with high capacity, fast access time, and low power consumption. It finds application in various electronic systems and offers reliable data storage. While it has certain limitations, alternative models are available to suit different needs.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT49F002NT-12PC v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT49F002NT-12PC in technical solutions:

  1. Q: What is the AT49F002NT-12PC? A: The AT49F002NT-12PC is a 2-megabit (256K x 8) CMOS flash memory device with a 120ns access time.

  2. Q: What are some typical applications for the AT49F002NT-12PC? A: The AT49F002NT-12PC is commonly used in embedded systems, consumer electronics, automotive applications, and industrial control systems.

  3. Q: How does the AT49F002NT-12PC connect to a microcontroller or processor? A: The AT49F002NT-12PC connects to a microcontroller or processor using a standard parallel interface with address, data, and control signals.

  4. Q: Can the AT49F002NT-12PC be used as a boot device? A: Yes, the AT49F002NT-12PC can be used as a boot device in many systems, allowing the microcontroller or processor to start executing code from the flash memory on power-up.

  5. Q: What is the operating voltage range of the AT49F002NT-12PC? A: The AT49F002NT-12PC operates within a voltage range of 4.5V to 5.5V.

  6. Q: Does the AT49F002NT-12PC support in-system programming (ISP)? A: No, the AT49F002NT-12PC does not support in-system programming. It requires a separate programming device for initial programming.

  7. Q: Can the AT49F002NT-12PC be reprogrammed multiple times? A: Yes, the AT49F002NT-12PC can be reprogrammed multiple times, making it suitable for applications that require frequent updates or firmware upgrades.

  8. Q: What is the typical data retention period of the AT49F002NT-12PC? A: The AT49F002NT-12PC has a typical data retention period of 20 years, ensuring long-term reliability of stored data.

  9. Q: Does the AT49F002NT-12PC have any built-in security features? A: No, the AT49F002NT-12PC does not have built-in security features such as hardware encryption or write protection. Additional measures may need to be implemented for securing the data.

  10. Q: Is the AT49F002NT-12PC RoHS compliant? A: Yes, the AT49F002NT-12PC is RoHS (Restriction of Hazardous Substances) compliant, meeting the environmental standards set by the European Union.

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