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AT49LV002-12JC

AT49LV002-12JC

Product Overview

Category

AT49LV002-12JC 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: The AT49LV002-12JC has a storage capacity of 2 megabits (256 kilobytes).
  • Fast access time: It has a fast access time of 120 nanoseconds.
  • Low power consumption: Designed to operate with low power requirements.
  • Reliable: Offers high endurance and data retention capabilities.
  • Easy integration: Compatible with various microcontrollers and electronic systems.

Package

The AT49LV002-12JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of AT49LV002-12JC lies in its ability to provide reliable and non-volatile storage for electronic systems, ensuring data integrity and accessibility.

Packaging/Quantity

The AT49LV002-12JC is typically packaged in reels or tubes and is available in quantities suitable for both small-scale and large-scale production.

Specifications

  • Memory Type: Flash EEPROM
  • Organization: 256K x 8 bits
  • Supply Voltage: 2.7V - 3.6V
  • Access Time: 120 ns
  • Operating Temperature Range: -40°C to +85°C
  • Erase/Write Cycle Endurance: 10,000 cycles
  • Data Retention: 20 years

Detailed Pin Configuration

The AT49LV002-12JC has a total of 32 pins, each serving a specific purpose. Here is a detailed pin configuration:

  1. A0 - Address Input
  2. A1 - Address Input
  3. A2 - Address Input
  4. A3 - Address Input
  5. A4 - Address Input
  6. A5 - Address Input
  7. A6 - Address Input
  8. A7 - Address Input
  9. A8 - Address Input
  10. A9 - Address Input
  11. A10 - Address Input
  12. A11 - Address Input
  13. A12 - Address Input
  14. A13 - Address Input
  15. A14 - Address Input
  16. A15 - Address Input
  17. CE - Chip Enable Input
  18. OE - Output Enable Input
  19. WE - Write Enable Input
  20. RESET - Reset Input
  21. VCC - Power Supply
  22. GND - Ground
  23. DQ0 - Data Input/Output
  24. DQ1 - Data Input/Output
  25. DQ2 - Data Input/Output
  26. DQ3 - Data Input/Output
  27. DQ4 - Data Input/Output
  28. DQ5 - Data Input/Output
  29. DQ6 - Data Input/Output
  30. DQ7 - Data Input/Output
  31. NC - No Connection
  32. NC - No Connection

Functional Features

  • Fast Read Access: The AT49LV002-12JC offers quick access to stored data, enabling efficient retrieval and processing.
  • Flexible Write Operations: It supports both byte and page-level write operations, providing flexibility in data storage and modification.
  • Sector Erase Capability: The memory can be erased at the sector level, allowing selective erasure of specific portions of the memory.
  • Hardware Reset: The RESET pin allows for a hardware reset, facilitating system initialization and recovery.

Advantages and Disadvantages

Advantages

  • Non-volatile nature ensures data retention even during power loss.
  • High storage capacity suitable for various applications.
  • Fast access time enables quick data retrieval.
  • Low power consumption prolongs battery life in portable devices.
  • Compatibility with different microcontrollers and systems simplifies integration.

Disadvantages

  • Limited erase/write endurance compared to other non-volatile memory technologies.
  • Relatively higher cost per bit compared to some alternative memory solutions.
  • Requires careful handling to prevent damage from electrostatic discharge (ESD).

Working Principles

The AT49LV002-12JC utilizes flash EEPROM technology, which combines the benefits of both electrically erasable programmable read-only memory (EEPROM) and floating-gate transistors. It stores data by trapping electrical charges within a floating gate, allowing the information to be retained even when power is removed. The memory can be written to and erased electronically, making it an ideal choice for applications requiring non-volatile storage.

Detailed Application Field Plans

The AT49LV002-12JC finds application in various fields, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

技術ソリューションにおける AT49LV002-12JC の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of AT49LV002-12JC in technical solutions:

  1. Q: What is the AT49LV002-12JC? A: The AT49LV002-12JC is a 2-megabit (256K x 8) CMOS flash memory chip manufactured by Atmel.

  2. Q: What are the key features of the AT49LV002-12JC? A: Some key features include a 12ns access time, low power consumption, sector erase capability, and compatibility with various microcontrollers.

  3. Q: How can I interface the AT49LV002-12JC with a microcontroller? A: The AT49LV002-12JC uses a standard parallel interface, making it compatible with most microcontrollers. You can connect it using address, data, and control lines.

  4. Q: What voltage levels does the AT49LV002-12JC support? A: The AT49LV002-12JC supports a single power supply voltage range of 2.7V to 3.6V.

  5. Q: Can I use the AT49LV002-12JC in battery-powered devices? A: Yes, the AT49LV002-12JC has low power consumption, making it suitable for battery-powered applications.

  6. Q: How do I erase and program the AT49LV002-12JC? A: The AT49LV002-12JC supports both sector erase and byte programming operations. You can use specific commands and timing sequences to perform these operations.

  7. Q: What is the maximum operating frequency of the AT49LV002-12JC? A: The AT49LV002-12JC can operate at a maximum frequency of 83MHz.

  8. Q: Can I use the AT49LV002-12JC as a storage device for firmware or data? A: Yes, the AT49LV002-12JC is commonly used as a non-volatile memory for storing firmware, configuration data, or other types of data in embedded systems.

  9. Q: Are there any specific precautions I need to take while handling the AT49LV002-12JC? A: It is recommended to follow proper ESD (Electrostatic Discharge) precautions when handling the AT49LV002-12JC to prevent damage to the chip.

  10. Q: Where can I find more information about the AT49LV002-12JC? A: You can refer to the datasheet and application notes provided by Atmel for detailed technical information about the AT49LV002-12JC.