AT49LV002-90PC

Product Overview

Category

AT49LV002-90PC belongs to the category of Flash Memory ICs.

Use

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

Characteristics

• Non-volatile memory: The stored data is retained even when power is removed.
• High storage capacity: The AT49LV002-90PC has a capacity of 2 megabits (256 kilobytes).
• Fast access time: It offers a fast access time of 90 nanoseconds.
• Low power consumption: This flash memory IC operates on low power, making it suitable for battery-powered devices.

Package

The AT49LV002-90PC is available in a 32-pin PDIP (Plastic Dual In-line Package) format.

Essence

The essence of this product lies in its ability to store and retrieve digital information reliably and efficiently.

Packaging/Quantity

The AT49LV002-90PC is typically packaged in reels or tubes, with each package containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Type: Flash
• Memory Size: 2 Megabits (256 Kilobytes)
• Access Time: 90 Nanoseconds
• Interface: Parallel
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT49LV002-90PC has a total of 32 pins, which are assigned specific functions. The pin configuration is as follows:

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. DQ0
24. DQ1
25. DQ2
26. DQ3
27. DQ4
28. DQ5
29. DQ6
30. DQ7
31. GND
32. NC

Functional Features

• Erase and Program Operations: The AT49LV002-90PC supports both sector erase and byte program operations, allowing for flexible data manipulation.
• Automatic Write Timing: This flash memory IC features an automatic write timing generator, simplifying the programming process.
• Data Protection: The product incorporates various mechanisms to protect stored data from accidental modification or corruption.

Advantages and Disadvantages

Advantages

• High storage capacity
• Fast access time
• Low power consumption
• Reliable data retention
• Easy integration into electronic devices

Disadvantages

• Limited endurance: Flash memory has a finite number of erase/write cycles before it becomes unreliable.
• Relatively higher cost compared to other types of memory.

Working Principles

The AT49LV002-90PC utilizes a floating gate transistor structure to store digital information. It employs a combination of electrical charges to represent binary data (0s and 1s). The stored data can be accessed by applying appropriate voltage levels to specific pins.

Detailed Application Field Plans

The AT49LV002-90PC finds applications in various electronic devices that require non-volatile storage capabilities. Some common application fields include: - Computer systems - Mobile devices - Digital cameras - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

• AT49LV002-70TC: Similar to AT49LV002-90PC but with a slower access time of 70 nanoseconds.
• AT49LV002-120JC: Similar to AT49LV002-90PC but designed for extended temperature range (-40°C to +125°C).
• AT49LV004-15JC: A higher capacity alternative with 4 megabits (512 kilobytes) and a slower access time of 150 nanoseconds.

These alternative models offer different specifications and may be suitable for specific application requirements.

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