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AT49F002-55TI

AT49F002-55TI

Product Overview

Category

AT49F002-55TI belongs to the category of Flash Memory Chips.

Use

It is primarily used for data storage and retrieval in electronic devices such as computers, smartphones, and digital cameras.

Characteristics

  • Non-volatile memory: Retains data even when power is turned off.
  • High storage capacity: The AT49F002-55TI has a storage capacity of 2 megabits (256 kilobytes).
  • Fast read and write speeds: Allows for quick access to stored data.
  • Low power consumption: Optimized for energy efficiency.
  • Wide operating temperature range: Can function reliably in various environmental conditions.

Package

The AT49F002-55TI is available in a Thin Small Outline Package (TSOP) format.

Essence

The essence of AT49F002-55TI lies in its ability to provide reliable and high-capacity data storage in a compact form factor.

Packaging/Quantity

The AT49F002-55TI is typically packaged in reels or trays, with each package containing a specific quantity of chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Storage Capacity: 2 megabits (256 kilobytes)
  • Operating Voltage: 2.7V - 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Interface: Parallel
  • Access Time: 55 nanoseconds
  • Erase/Write Cycle Endurance: 10,000 cycles

Detailed Pin Configuration

The AT49F002-55TI features a standard pin configuration with the following pins:

  1. VCC: Power supply voltage
  2. A0-A16: Address inputs
  3. DQ0-DQ7: Data input/output lines
  4. WE#: Write enable control input
  5. OE#: Output enable control input
  6. CE#: Chip enable control input
  7. RP#/BYTE#: Reset/byte enable control input
  8. VSS: Ground

Functional Features

  • Byte-wise programmable: Allows for selective modification of specific data bytes.
  • Sector erase capability: Enables erasing of large blocks of data for efficient memory management.
  • Automatic sleep mode: Reduces power consumption when the chip is idle.
  • Hardware and software protection mechanisms: Ensures data integrity and prevents unauthorized access.

Advantages and Disadvantages

Advantages

  • High storage capacity for a wide range of applications.
  • Fast read and write speeds enhance overall system performance.
  • Low power consumption prolongs battery life in portable devices.
  • Wide operating temperature range ensures reliability in various environments.

Disadvantages

  • Limited erase/write endurance compared to some other flash memory technologies.
  • Parallel interface may require additional circuitry for compatibility with modern systems.

Working Principles

The AT49F002-55TI utilizes a floating-gate transistor technology known as Flash memory. It stores data by trapping electric charges within insulated floating gates, which can be electrically programmed or erased. When reading data, the stored charges are detected and converted into digital signals.

Detailed Application Field Plans

The AT49F002-55TI finds applications in various electronic devices, including but not limited to: - Personal computers - Laptops and notebooks - Smartphones and tablets - Digital cameras - Printers - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT49F002-55TI include: - AT45DB021D: 2 megabit DataFlash memory chip with SPI interface. - S29GL256P: 256 kilobyte parallel flash memory chip with extended temperature range. - MX25L1606E: 16 megabit serial flash memory chip with low power consumption.

(Note: The above alternative models are provided for reference and may vary in specifications and availability. It is recommended to consult the manufacturer's documentation for detailed information.)

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT49F002-55TI v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT49F002-55TI in technical solutions:

  1. Q: What is the AT49F002-55TI? A: The AT49F002-55TI is a 2-megabit (256K x 8) CMOS flash memory chip manufactured by Atmel.

  2. Q: What are the key features of the AT49F002-55TI? A: Some key features include a 55ns access time, low power consumption, sector erase capability, and compatibility with various microcontrollers.

  3. Q: How can I interface the AT49F002-55TI with a microcontroller? A: The AT49F002-55TI 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 AT49F002-55TI as a boot device for my microcontroller? A: Yes, the AT49F002-55TI can be used as a boot device. It supports both parallel and serial boot modes, allowing you to load your program code during system startup.

  5. Q: What voltage levels does the AT49F002-55TI support? A: The AT49F002-55TI operates at a single power supply voltage of 5V.

  6. Q: How do I erase the AT49F002-55TI memory? A: The AT49F002-55TI supports sector erase, which means you can erase specific sectors of the memory. This can be done using appropriate commands and timing sequences.

  7. Q: Can I write data to the AT49F002-55TI multiple times? A: Yes, the AT49F002-55TI supports both byte and sector programming, allowing you to write data multiple times to specific locations in the memory.

  8. Q: Is the AT49F002-55TI suitable for high-speed applications? A: Yes, with a 55ns access time, the AT49F002-55TI is suitable for many high-speed applications, including data storage, firmware updates, and code execution.

  9. Q: Can I use the AT49F002-55TI in battery-powered devices? A: Yes, the AT49F002-55TI has low power consumption, making it suitable for battery-powered devices where energy efficiency is important.

  10. Q: Are there any application notes or reference designs available for the AT49F002-55TI? A: Yes, Atmel provides application notes and reference designs that can help you understand and implement the AT49F002-55TI in your technical solutions. These resources are available on their website.

Please note that these answers are general and may vary depending on specific requirements and implementation details.