AT49LV040-90JI

Product Overview

Category: Integrated Circuit (IC)

Use: The AT49LV040-90JI is a non-volatile memory IC primarily used for data storage and retrieval in electronic devices.

Characteristics: - Non-volatile: Retains data even when power is turned off - High capacity: 4 megabits (512 kilobytes) - Fast access time: 90 nanoseconds - Low power consumption - Wide operating voltage range: 2.7V to 5.5V

Package: The AT49LV040-90JI is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence: This IC is designed to provide reliable and efficient non-volatile memory storage for various electronic applications.

Packaging/Quantity: The AT49LV040-90JI is typically sold in reels, with each reel containing a quantity of 250 units.

Specifications

• Memory Type: Flash
• Memory Size: 4 Megabits (512 Kilobytes)
• Access Time: 90 Nanoseconds
• Operating Voltage Range: 2.7V to 5.5V
• Package Type: 32-pin PLCC

Detailed Pin Configuration

The AT49LV040-90JI has a total of 32 pins. Here is the detailed pin configuration:

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

Functional Features

• Non-volatile memory: Retains data even without power supply
• High-speed access: 90 nanoseconds access time for quick data retrieval
• Low power consumption: Efficient power usage for extended battery life in portable devices
• Wide operating voltage range: Can be used with various power supply voltages
• Easy integration: Compatible with standard IC interfaces and protocols

Advantages and Disadvantages

Advantages: - Reliable non-volatile memory storage - Fast access time for quick data retrieval - Low power consumption for energy efficiency - Wide operating voltage range for versatility - Easy integration with existing systems

Disadvantages: - Limited storage capacity compared to newer memory technologies - Not suitable for applications requiring larger memory sizes

Working Principles

The AT49LV040-90JI utilizes flash memory technology to store and retrieve data. It consists of a grid of memory cells that can be electrically programmed and erased. When data is written, the memory cells are charged or discharged to represent binary values. The stored data can be accessed by sending appropriate signals to the IC's control pins.

Detailed Application Field Plans

The AT49LV040-90JI is commonly used in various electronic devices and systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

• AT49LV040-70JI: Similar to AT49LV040-90JI, but with a slower access time of 70 nanoseconds.
• AT49LV040-120JI: Similar to AT49LV040-90JI, but with a slower access time of 120 nanoseconds.
• AT49LV080-90JI: Double the memory size (8 megabits) compared to AT49LV040-90JI, with the same access time.

These alternative models provide options for different performance requirements and memory capacities.

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