AT27BV020-12JC

Product Overview

Category

AT27BV020-12JC 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 turned off.
• High storage capacity: The AT27BV020-12JC has a storage capacity of 2 megabits (256 kilobytes).
• Fast access time: It has a maximum access time of 120 nanoseconds.
• Low power consumption: Designed to operate with low power requirements.
• Durable: Can withstand harsh environmental conditions.

Package

The AT27BV020-12JC is available in a standard 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of AT27BV020-12JC lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

The AT27BV020-12JC is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Storage Capacity: 2 megabits (256 kilobytes)
• Access Time: 120 nanoseconds
• Operating Voltage: 2.7V - 3.6V
• Standby Current: 100 microamps (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AT27BV020-12JC has a total of 32 pins, which are assigned specific functions as follows:

1. A0 - Address Input
2. A1 - Address Input
3. A2 - Address Input
4. A3 - Address Input
5. A4 - Address Input
6. A5 - Address Input
7. A6 - Address Input
8. A7 - Address Input
9. A8 - Address Input
10. A9 - Address Input
11. A10 - Address Input
12. A11 - Address Input
13. A12 - Address Input
14. A13 - Address Input
15. A14 - Address Input
16. A15 - Address Input
17. CE - Chip Enable Input
18. OE - Output Enable Input
19. WE - Write Enable Input
20. I/O0 - Data Input/Output
21. I/O1 - Data Input/Output
22. I/O2 - Data Input/Output
23. I/O3 - Data Input/Output
24. I/O4 - Data Input/Output
25. I/O5 - Data Input/Output
26. I/O6 - Data Input/Output
27. I/O7 - Data Input/Output
28. VCC - Power Supply
29. GND - Ground
30. NC - No Connection
31. NC - No Connection
32. NC - No Connection

Functional Features

• Random Access: Allows for accessing any memory location directly.
• Byte-Writable: Enables individual byte-level write operations.
• Erasable: Supports sector or chip erase operations.
• High-Speed Read: Provides fast read access to stored data.
• Low Power Consumption: Designed to minimize power usage during operation.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• High storage capacity allows for storing large amounts of data.
• Fast access time enables quick retrieval of information.
• Durable design withstands harsh environmental conditions.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited rewrite cycles: The memory cells have a finite number of erase/write cycles.
• Relatively higher cost compared to volatile memory options.
• Larger physical size compared to some newer memory technologies.

Working Principles

The AT27BV020-12JC utilizes a combination of electronic circuits and non-volatile memory cells to store and retrieve digital information. It employs a system of address inputs, control signals, and data input/output lines to facilitate read and write operations. The memory cells within the device use a floating-gate transistor structure to store charge, allowing for non-volatile data retention.

Detailed Application Field Plans

The AT27BV020-12JC finds applications in various electronic systems that require reliable and non-volatile storage. Some common application fields include:

1. Embedded Systems: Used for firmware storage in microcontrollers and other embedded devices.
2. Automotive Electronics: Employed for storing critical data in automotive control units.
3. Industrial Control Systems: Utilized for program storage in industrial automation and control systems.
4. Consumer Electronics: Integrated into devices such as set-top boxes, gaming consoles, and smart appliances for data storage purposes.

Detailed and Complete Alternative Models

1. AT27C010-