AT27LV040A-90JI

Product Overview

Category

AT27LV040A-90JI belongs to the category of electronic components, specifically non-volatile memory devices.

Use

This product is primarily used for storing and retrieving digital information in various electronic systems.

Characteristics

• Non-volatile: The AT27LV040A-90JI retains stored data even when power is removed.
• High capacity: This device has a storage capacity of 4 megabits (512 kilobytes).
• Fast access time: With a speed rating of 90 nanoseconds, it offers quick data retrieval.
• Low power consumption: The AT27LV040A-90JI operates efficiently with low power requirements.

Package

The AT27LV040A-90JI is available in a JEDEC-standard 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic systems, ensuring data integrity even during power interruptions.

Packaging/Quantity

The AT27LV040A-90JI is typically packaged in reels or tubes, with each containing a specific quantity of devices. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Storage Capacity: 4 Megabits (512 Kilobytes)
• Access Time: 90 Nanoseconds
• Supply Voltage: 2.7V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 32-pin PLCC

Detailed Pin Configuration

The AT27LV040A-90JI features a 32-pin PLCC package with the following pin configuration:

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. /OE (Output Enable)
18. /CE (Chip Enable)
19. /WE (Write Enable)
20. VSS (Ground)
21. DQ0 (Data Input/Output 0)
22. DQ1 (Data Input/Output 1)
23. DQ2 (Data Input/Output 2)
24. DQ3 (Data Input/Output 3)
25. DQ4 (Data Input/Output 4)
26. DQ5 (Data Input/Output 5)
27. DQ6 (Data Input/Output 6)
28. DQ7 (Data Input/Output 7)
29. VCC (Power Supply)
30. NC (No Connection)
31. NC (No Connection)
32. /WP (Write Protect)

Functional Features

The AT27LV040A-90JI offers the following functional features:

• Byte-wide access: Allows individual bytes to be read or written independently.
• High-speed operation: With a fast access time of 90 nanoseconds, it enables efficient data transfer.
• Low power consumption: The device operates with low power requirements, making it suitable for battery-powered applications.
• Non-volatile storage: The stored data remains intact even when power is removed, ensuring reliable and persistent information storage.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data integrity during power interruptions.
• High storage capacity allows for ample data storage.
• Fast access time enables quick retrieval of stored information.
• Low power consumption makes it suitable for energy-efficient applications.

Disadvantages

• Limited write endurance: The device has a finite number of write cycles before it may become unreliable.
• Relatively higher cost compared to other memory technologies.

Working Principles

The AT27LV040A-90JI utilizes a combination of electronic circuits and non-volatile memory cells to store and retrieve digital information. It employs a specific architecture that allows for efficient reading and writing operations while maintaining data integrity even in the absence of power.

Detailed Application Field Plans

The AT27LV040A-90JI finds applications in various electronic systems, including but not limited to:

1. Embedded Systems: Used for program storage in microcontrollers and other embedded devices.
2. Communication Equipment: Provides non-volatile memory for storing configuration settings and firmware.
3. Automotive Electronics: Utilized in automotive control units for data storage and retrieval.
4. Industrial Control Systems: Enables reliable storage of critical data in industrial automation applications.
5. Consumer Electronics: Used in devices such as set-top boxes, gaming consoles, and audio players for data storage purposes.

Detailed and Complete Alternative Models

1. AT27C040: Similar to the AT27LV040A-90JI, this model offers 4 meg