AT49BV040A-70JU

Product Overview

Category

AT49BV040A-70JU belongs to the category of Flash Memory ICs.

Use

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

Characteristics

• Non-volatile memory: The stored data is retained even when power is removed.
• High-speed operation: Allows for fast read and write operations.
• Low power consumption: Optimized for energy efficiency.
• Wide temperature range: Can operate reliably in extreme temperature conditions.
• High reliability: Designed to withstand frequent read/write cycles without data corruption.

Package

AT49BV040A-70JU is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of this product lies in its ability to provide reliable and high-speed data storage in a compact form factor.

Packaging/Quantity

AT49BV040A-70JU is typically packaged in reels or tubes, with each containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Size: 4 Megabits (512 Kbytes)
• Organization: 512K x 8 bits
• Supply Voltage: 2.7V - 3.6V
• Access Time: 70 ns
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

1. A16
2. A14
3. A12
4. A7
5. A6
6. A5
7. A4
8. A3
9. A2
10. A1
11. A0
12. VCC
13. A15
14. A13
15. A8
16. A9
17. A11
18. A10
19. OE#
20. CE#
21. WE#
22. I/O0
23. I/O1
24. I/O2
25. I/O3
26. I/O4
27. I/O5
28. I/O6
29. I/O7
30. GND
31. RP#
32. BYTE#

Functional Features

• Byte-wide and word-wide operations: Allows for flexible data access.
• Erase and program operations: Enables modification of stored data.
• Sector erase capability: Provides the ability to erase specific memory sectors.
• Hardware and software protection mechanisms: Ensures data security.

Advantages and Disadvantages

Advantages

• High-speed operation allows for quick data access.
• Non-volatile memory ensures data retention even during power loss.
• Wide temperature range makes it suitable for various environments.
• Low power consumption helps conserve energy.
• Reliable performance with high endurance.

Disadvantages

• Limited storage capacity compared to other flash memory options.
• Parallel interface may not be compatible with all systems.
• Higher cost per unit compared to some alternative models.

Working Principles

AT49BV040A-70JU utilizes a combination of floating gate transistors and control circuitry to store and retrieve data. The memory cells are organized into sectors, which can be individually erased or programmed. When data is written, charges are trapped in the floating gate, altering the transistor's behavior and storing the desired information. During read operations, the stored charges are detected, allowing the retrieval of the stored data.

Detailed Application Field Plans

AT49BV040A-70JU finds applications in various electronic devices, including but not limited to: - Computer motherboards - Mobile phones - Digital cameras - Set-top boxes - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

1. AT49BV040B-70JU: Similar to AT49BV040A-70JU with minor improvements in performance.
2. AT49BV080A-70JU: Double the memory size of AT49BV040A-70JU, offering 8 Megabits of storage.
3. AT49BV0164A-70JU: Quadruple the memory size of AT49BV040A-70JU, providing 16 Megabits of storage.

These alternative models offer different memory capacities and may have slight variations in specifications, but they serve similar purposes and can be used as substitutes for AT49BV040A-70JU depending on specific requirements.

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