AT27BV020-90VC

Product Overview

Category

AT27BV020-90VC belongs to the category of non-volatile memory devices.

Use

It is primarily used for storing and retrieving digital information in electronic systems.

Characteristics

• Non-volatile: Retains data even when power is removed.
• High capacity: The AT27BV020-90VC has a storage capacity of 2 megabits (256 kilobytes).
• Low power consumption: Designed to operate with minimal power requirements.
• Fast access time: Provides quick access to stored data.
• Reliable: Offers high endurance and data retention capabilities.

Package

The AT27BV020-90VC is available in a standard surface mount package.

Essence

The essence of AT27BV020-90VC lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Memory Type: Non-volatile
• Capacity: 2 Megabits (256 Kilobytes)
• Access Time: 90 nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

The AT27BV020-90VC features a 32-pin 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. CE#
18. OE#
19. WE#
20. RESET#
21. VCC
22. GND
23. NC
24. DQ0
25. DQ1
26. DQ2
27. DQ3
28. DQ4
29. DQ5
30. DQ6
31. DQ7
32. NC

Functional Features

• Byte-wide and word-wide access modes.
• Advanced CMOS technology for low power consumption.
• Automatic page write operation for efficient programming.
• Hardware and software data protection mechanisms.
• Fast sector erase capability.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity allows for storing large amounts of data.
• Low power consumption makes it suitable for battery-powered devices.
• Fast access time enables quick retrieval of information.
• Reliable performance with high endurance and data retention capabilities.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Higher cost per unit compared to some alternative models.
• Requires additional circuitry for interfacing with the system.

Working Principles

The AT27BV020-90VC utilizes advanced CMOS technology to store data in non-volatile memory cells. It employs a combination of electrically erasable programmable read-only memory (EEPROM) and flash memory technologies. The stored data can be accessed and modified through the parallel interface using appropriate control signals.

Detailed Application Field Plans

The AT27BV020-90VC is widely used in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive applications - Industrial control systems - Communication devices

Its reliable and non-volatile nature makes it suitable for applications that require data storage and retrieval even in the absence of power.

Detailed and Complete Alternative Models

Some alternative models to AT27BV020-90VC that offer similar functionality and characteristics include: - AT28C256 - AT45DB021D - SST39SF020A

These models provide different storage capacities, access times, and package options, allowing users to choose the most suitable option for their specific requirements.

In conclusion, the AT27BV020-90VC is a non-volatile memory device with a capacity of 2 megabits. It offers fast access time, low power consumption, and reliable data retention capabilities. Its application spans across various industries, and there are alternative models available to cater to different needs.