AT29BV020-25JI

Product Overview

Category

AT29BV020-25JI 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 capacity: The AT29BV020-25JI has a storage capacity of 2 megabits (256 kilobytes).
• Fast access time: It operates at a speed of 25 nanoseconds, allowing for quick data retrieval.
• Low power consumption: Designed to minimize power usage, making it suitable for battery-powered devices.

Package

The AT29BV020-25JI is available in a JEDEC-standard 32-lead PLCC (Plastic Leaded Chip Carrier) package.

Essence

This product is an essential component in various electronic devices that require non-volatile memory storage.

Packaging/Quantity

The AT29BV020-25JI is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Memory Type: Flash
• Organization: 256K x 8 bits
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 20 years
• Erase/Write Cycle Endurance: 10,000 cycles

Detailed Pin Configuration

The AT29BV020-25JI has a total of 32 pins, which are assigned specific functions as follows:

1. A16: Address Input
2. A15: Address Input
3. A14: Address Input
4. A13: Address Input
5. A12: Address Input
6. A11: Address Input
7. A10: Address Input
8. A9: Address Input
9. A8: Address Input
10. A7: Address Input
11. A6: Address Input
12. A5: Address Input
13. A4: Address Input
14. A3: Address Input
15. A2: Address Input
16. A1: Address Input
17. A0: Address Input
18. CE: Chip Enable Input
19. OE: Output Enable Input
20. WE: Write Enable Input
21. NC: No Connection
22. VCC: Power Supply
23. DQ0: Data Input/Output
24. DQ1: Data Input/Output
25. DQ2: Data Input/Output
26. DQ3: Data Input/Output
27. DQ4: Data Input/Output
28. DQ5: Data Input/Output
29. DQ6: Data Input/Output
30. DQ7: Data Input/Output
31. GND: Ground
32. NC: No Connection

Functional Features

• High-speed data access: The AT29BV020-25JI offers fast read and write operations, enabling efficient data transfer.
• Sector erase capability: It allows for erasing specific sectors of the memory, facilitating flexible data management.
• Hardware and software protection: This product provides mechanisms to protect stored data from accidental modification or unauthorized access.
• Low power consumption: Designed with power-saving features, it minimizes energy usage in battery-powered devices.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity suitable for various applications.
• Fast access time enables quick data retrieval.
• Low power consumption extends battery life.

Disadvantages

• Limited erase/write endurance compared to other memory technologies.
• Relatively higher cost per bit compared to some alternative memory options.

Working Principles

The AT29BV020-25JI utilizes flash memory technology, which stores data in floating-gate transistors. These transistors can retain charge even when power is removed, allowing for non-volatile storage. The memory cells are organized into sectors, and data can be read from or written to these sectors using appropriate control signals.

Detailed Application Field Plans

The AT29BV020-25JI finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT29BV020-25JI include: - AT28C256: A 256-kilobit EEPROM (Electrically Erasable Programmable Read-Only Memory) with a parallel interface. - SST39SF040: A 4-megabit flash memory with sector erase capability and a parallel interface. - W27C512: A 512-kilobit EPROM (Erasable Programm