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AT49LV002T-70JC

AT49LV002T-70JC

Product Overview

Category

AT49LV002T-70JC 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: The stored data is retained even when power is removed.
  • High capacity: The AT49LV002T-70JC has a storage capacity of 2 megabits (256 kilobytes).
  • Fast access time: It offers a fast access time of 70 nanoseconds.
  • Low power consumption: The device operates at low power levels, making it suitable for battery-powered applications.

Package

The AT49LV002T-70JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of AT49LV002T-70JC lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

The device is typically packaged in reels or tubes, with each containing a specific quantity of AT49LV002T-70JC chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Storage Capacity: 2 Megabits (256 Kilobytes)
  • Access Time: 70 Nanoseconds
  • Supply Voltage: 5V
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: 32-pin PLCC

Detailed Pin Configuration

The AT49LV002T-70JC has a total of 32 pins. The pin configuration is as follows:

  1. VCC - Power supply voltage
  2. A0-A16 - Address inputs
  3. CE - Chip enable
  4. OE - Output enable
  5. WE - Write enable
  6. I/O0-I/O7 - Data input/output lines
  7. RESET - Reset input
  8. NC - No connection (reserved for future use)
  9. VSS - Ground

Functional Features

  • Random Access: The AT49LV002T-70JC allows random access to any location within its memory array.
  • High-Speed Operation: With a fast access time of 70 nanoseconds, it enables quick data retrieval and storage.
  • Low Power Consumption: The device operates at low power levels, making it suitable for battery-powered applications.
  • Data Protection: It incorporates various mechanisms to protect stored data from accidental modification or corruption.

Advantages and Disadvantages

Advantages

  • Non-volatile memory ensures data retention even during power loss.
  • High storage capacity for storing large amounts of digital information.
  • Fast access time allows for quick data retrieval.
  • Low power consumption extends battery life in portable devices.

Disadvantages

  • Limited storage capacity compared to other modern non-volatile memory technologies.
  • Relatively slower access time compared to some newer memory devices.
  • Higher cost per unit compared to certain alternative memory options.

Working Principles

The AT49LV002T-70JC is based on Flash memory technology. It utilizes floating-gate transistors to store and retrieve digital information. When data is written, charges are trapped in the floating gate, altering the transistor's behavior. These charges can be erased by applying a high voltage, allowing the transistor to return to its original state.

Detailed Application Field Plans

The AT49LV002T-70JC finds application 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 the AT49LV002T-70JC include: - AT45DB321D-SU: 32 Megabit DataFlash memory - SST39SF040-70-4C-NHE: 4 Megabit Flash memory - W25Q64FVSSIG: 64 Megabit Serial Flash memory

These alternative models provide different storage capacities, access times, and package options to suit specific application requirements.

In conclusion, the AT49LV002T-70JC is a non-volatile memory device with a capacity of 2 megabits. It offers fast access time, low power consumption, and reliable data storage. While it has certain limitations, it finds applications in various electronic systems and has alternative models available for different requirements.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AT49LV002T-70JC v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AT49LV002T-70JC in technical solutions:

  1. Q: What is the AT49LV002T-70JC? A: The AT49LV002T-70JC is a 2-megabit (256K x 8) CMOS flash memory device manufactured by Atmel.

  2. Q: What are the key features of the AT49LV002T-70JC? 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 AT49LV002T-70JC with a microcontroller? A: The AT49LV002T-70JC 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 AT49LV002T-70JC support? A: The AT49LV002T-70JC operates at a single power supply voltage of 5V.

  5. Q: Can I use the AT49LV002T-70JC in battery-powered applications? A: Yes, the AT49LV002T-70JC has low power consumption, making it suitable for battery-powered devices.

  6. Q: How do I erase and program the AT49LV002T-70JC? A: The AT49LV002T-70JC supports both sector erase and byte programming. You can use specific commands and timing sequences to perform these operations.

  7. Q: What is the maximum operating temperature range of the AT49LV002T-70JC? A: The AT49LV002T-70JC can operate within a temperature range of -40°C to +85°C.

  8. Q: Can I use the AT49LV002T-70JC in automotive applications? A: Yes, the AT49LV002T-70JC is suitable for automotive applications as it meets the necessary requirements for temperature and reliability.

  9. Q: Does the AT49LV002T-70JC have any built-in security features? A: No, the AT49LV002T-70JC does not have built-in security features like hardware encryption or write protection.

  10. Q: Are there any application notes or reference designs available for the AT49LV002T-70JC? A: Yes, Atmel provides application notes and reference designs that can help you understand and implement the AT49LV002T-70JC in your technical solutions.

Please note that these answers are general and may vary depending on specific requirements and use cases. It's always recommended to refer to the datasheet and documentation provided by the manufacturer for detailed information.