AT49LV040-70JC

Product Overview

Category: Integrated Circuit (IC)

Use: The AT49LV040-70JC is a non-volatile memory IC primarily used for data storage in various electronic devices.

Characteristics: - Non-volatile: Retains stored data even when power is turned off. - High capacity: Offers 4 megabits (512 kilobytes) of storage space. - Fast access time: Operates at a speed of 70 nanoseconds. - Low power consumption: Designed to minimize energy usage. - Reliable: Built with robust materials and advanced manufacturing techniques.

Package: The AT49LV040-70JC is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence: This IC is an essential component for storing critical data in electronic devices, ensuring that information is retained even during power interruptions or system shutdowns.

Packaging/Quantity: The AT49LV040-70JC is typically sold in reels containing multiple units. The exact quantity per reel may vary depending on the manufacturer's specifications.

Specifications

• Memory Type: Flash
• Memory Size: 4 Megabits (512 Kilobytes)
• Access Time: 70 Nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin PLCC

Detailed Pin Configuration

The AT49LV040-70JC features a 32-pin PLCC package with the following pin configuration:

1. VCC
2. A16
3. A15
4. A12
5. A7
6. A6
7. A5
8. A4
9. A3
10. A2
11. A1
12. A0
13. CE#
14. OE#
15. WE#
16. BYTE#
17. NC
18. DQ0
19. DQ1
20. DQ2
21. DQ3
22. DQ4
23. DQ5
24. DQ6
25. DQ7
26. VSS
27. RP#
28. PGM#
29. RESET#
30. WP#
31. A8
32. A9

Functional Features

The AT49LV040-70JC offers the following functional features:

• Byte-wide and word-wide operations for flexible data access.
• Sector erase capability for efficient memory management.
• Built-in write protection mechanisms to prevent accidental data modification.
• High-speed programming and erasing operations for quick data updates.
• Low power consumption during standby and active modes.

Advantages and Disadvantages

Advantages: - Non-volatile memory ensures data retention even without power. - High storage capacity suitable for various applications. - Fast access time allows for quick retrieval of stored data. - Low power consumption prolongs battery life in portable devices. - Reliable construction ensures data integrity over extended periods.

Disadvantages: - Limited storage capacity compared to newer memory technologies. - Relatively slower access time compared to some modern alternatives. - Higher cost per unit compared to lower-capacity memory options.

Working Principles

The AT49LV040-70JC utilizes flash memory technology to store data. It employs a combination of floating-gate transistors and charge storage elements to retain information even when power is disconnected. The IC's control pins enable read, write, and erase operations, allowing for efficient data manipulation.

Detailed Application Field Plans

The AT49LV040-70JC finds application in various electronic devices that require non-volatile memory for data storage. Some common application fields include:

1. Consumer Electronics: Used in digital cameras, MP3 players, and portable gaming devices for storing media files and firmware.
2. Automotive Systems: Employed in car audio systems, navigation units, and engine control modules to store critical data and software.
3. Industrial Equipment: Utilized in programmable logic controllers (PLCs), measurement instruments, and automation systems for data logging and configuration storage.

Detailed and Complete Alternative Models

1. AT49LV040-90JC: Similar to the AT49LV040-70JC but with a faster access time of 90 nanoseconds.
2. AT49LV080-20JC: Offers double the storage capacity (8 megabits) compared to the AT49LV040-70JC.
3. AT49LV1604A-33JC: Provides quadruple the storage capacity (16 megabits) and operates at a speed of 33 nanoseconds.

These alternative models offer varying specifications to cater to different application requirements.

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