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AT49F2048A-70RC

AT49F2048A-70RC

Product Overview

Category

AT49F2048A-70RC belongs to the category of non-volatile memory devices.

Use

This product is primarily used for data storage in various electronic devices such as microcontrollers, embedded systems, and consumer electronics.

Characteristics

  • Non-volatile: The AT49F2048A-70RC retains stored data even when power is removed.
  • High capacity: With a storage capacity of 2,048 kilobits (256 kilobytes), it offers ample space for storing critical information.
  • Fast access time: The device provides quick access to stored data, ensuring efficient operation.
  • Reliable: It has a high endurance level and can withstand numerous read and write cycles without compromising performance.
  • Low power consumption: The AT49F2048A-70RC is designed to consume minimal power during operation, making it suitable for battery-powered devices.

Package

The AT49F2048A-70RC is available in a compact and industry-standard 32-pin TSOP package. This package ensures easy integration into various circuit boards and systems.

Essence

The essence of the AT49F2048A-70RC lies in its ability to provide reliable and high-capacity non-volatile memory storage for electronic devices.

Packaging/Quantity

The AT49F2048A-70RC is typically packaged in reels or tubes, with each containing a specific quantity of devices. The exact packaging and quantity may vary depending on the supplier.

Specifications

  • Memory Type: Flash EEPROM
  • Capacity: 2,048 kilobits (256 kilobytes)
  • Access Time: 70 nanoseconds
  • Supply Voltage: 5V
  • Interface: Parallel
  • Operating Temperature Range: -40°C to +85°C
  • Erase/Write Cycle Endurance: 10,000 cycles

Detailed Pin Configuration

The AT49F2048A-70RC features a 32-pin TSOP package with the following pin configuration:

  1. A0
  2. A1
  3. A2
  4. A3
  5. A4
  6. A5
  7. A6
  8. A7
  9. A8
  10. A9
  11. A10
  12. A11
  13. A12
  14. A13
  15. A14
  16. A15
  17. CE#
  18. OE#
  19. WE#
  20. RESET#
  21. BYTE#
  22. VCC
  23. NC
  24. DQ0
  25. DQ1
  26. DQ2
  27. DQ3
  28. DQ4
  29. DQ5
  30. DQ6
  31. DQ7
  32. GND

Functional Features

  • Easy integration: The AT49F2048A-70RC can be easily integrated into existing circuit designs due to its standard pin configuration and interface.
  • High-speed operation: With a fast access time of 70 nanoseconds, it ensures efficient data retrieval and storage.
  • Versatile functionality: The device supports various operations such as reading, writing, erasing, and programming, providing flexibility for different applications.
  • Reliable data retention: The non-volatile nature of the memory ensures that stored data remains intact even during power loss or system shutdown.

Advantages and Disadvantages

Advantages

  • High storage capacity
  • Fast access time
  • Low power consumption
  • Reliable and durable
  • Easy integration into existing systems

Disadvantages

  • Limited erase/write cycle endurance compared to some other non-volatile memory technologies
  • Requires additional circuitry for proper interfacing and control

Working Principles

The AT49F2048A-70RC utilizes flash EEPROM technology for data storage. It consists of a grid of memory cells, each capable of storing a single bit of information. These cells are organized into blocks and sectors, allowing efficient read, write, and erase operations.

During a read operation, the device retrieves stored data by applying appropriate voltages to the memory cells and sensing the resulting electrical signals. Write and erase operations involve modifying the state of individual memory cells by applying specific voltage levels.

Detailed Application Field Plans

The AT49F2048A-70RC finds applications in various fields, including:

  1. Microcontrollers: Used for program storage in microcontroller-based systems.
  2. Embedded Systems: Provides non-volatile memory storage for critical data in embedded systems.
  3. Consumer Electronics: Enables data storage in devices such as digital cameras, set-top boxes, and gaming consoles.

Detailed and Complete Alternative Models

  1. AT49F1024A-70RC: Similar to AT49F2048A-70RC but with a lower capacity of 1,024 kilobits (128 kilobytes).

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AT49F2048A-70RC en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of AT49F2048A-70RC in technical solutions:

  1. Q: What is the AT49F2048A-70RC? A: The AT49F2048A-70RC is a 2-megabit (256K x 8) CMOS flash memory chip manufactured by Atmel.

  2. Q: What are the key features of the AT49F2048A-70RC? A: Some 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 AT49F2048A-70RC with a microcontroller? A: The AT49F2048A-70RC 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 AT49F2048A-70RC as a storage device for my embedded system? A: Yes, the AT49F2048A-70RC can be used as a non-volatile storage device in various embedded systems, such as industrial control systems, consumer electronics, and automotive applications.

  5. Q: How do I program the AT49F2048A-70RC? A: Programming the AT49F2048A-70RC requires a programming algorithm and a programmer device that supports the chip. You can refer to the datasheet or Atmel's documentation for specific instructions.

  6. Q: Can I erase specific sectors of the AT49F2048A-70RC without affecting others? A: Yes, the AT49F2048A-70RC supports sector erase capability, allowing you to erase specific sectors without affecting the rest of the memory.

  7. Q: What is the typical power consumption of the AT49F2048A-70RC? A: The AT49F2048A-70RC has low power consumption, typically operating at 20mA during read and program operations and 100μA in standby mode.

  8. Q: Is the AT49F2048A-70RC compatible with 3.3V systems? A: Yes, the AT49F2048A-70RC operates at a voltage range of 2.7V to 5.5V, making it compatible with both 3.3V and 5V systems.

  9. Q: Can I use the AT49F2048A-70RC for code execution in a microcontroller? A: While the AT49F2048A-70RC can store program code, it is not typically used for direct code execution. Instead, it is commonly used for data storage or firmware updates.

  10. Q: Are there any limitations or precautions when using the AT49F2048A-70RC? A: Some precautions include following the specified voltage and timing requirements, avoiding excessive write/erase cycles, and ensuring proper handling to prevent electrostatic discharge (ESD) damage.