AT49BV3218-11CI

Product Overview

Category

AT49BV3218-11CI 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 AT49BV3218-11CI has a capacity of 32 megabits (4 megabytes).
• Fast access time: Provides quick access to stored data.
• Low power consumption: Operates efficiently with low power requirements.

Package

The AT49BV3218-11CI is available in a compact integrated circuit package.

Essence

The essence of AT49BV3218-11CI lies in its ability to provide reliable and high-capacity non-volatile memory storage for electronic devices.

Packaging/Quantity

The AT49BV3218-11CI is typically packaged individually and is available in various quantities depending on the manufacturer's specifications.

Specifications

• Memory Type: Flash
• Organization: 4M x 8 bits
• Voltage Range: 2.7V - 3.6V
• Access Time: 110 ns
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

The AT49BV3218-11CI features a parallel interface with the following pin configuration:

1. A0-A21: Address Inputs
2. DQ0-DQ7: Data Input/Output
3. CE: Chip Enable
4. OE: Output Enable
5. WE: Write Enable
6. VCC: Power Supply
7. GND: Ground

Functional Features

• Erase and Program Operations: The AT49BV3218-11CI supports both sector erase and byte program operations.
• Automatic Page Write: Allows for efficient programming of multiple bytes in a single operation.
• Hardware Data Protection: Provides protection against accidental data modification during power transitions.
• Software Data Protection: Enables software-based protection of specific memory sectors.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even without power supply.
• High storage capacity allows for storing large amounts of data.
• Fast access time enables quick retrieval of information.
• Low power consumption makes it suitable for battery-powered devices.

Disadvantages

• Limited endurance: Flash memory has a finite number of erase/write cycles.
• Relatively higher cost compared to other types of memory.

Working Principles

The AT49BV3218-11CI utilizes flash memory technology, which stores data by trapping electric charges within floating gate transistors. These charges can be manipulated through electrical signals to represent binary data (0s and 1s). The memory cells are organized into sectors, allowing for efficient erasing and programming operations.

Detailed Application Field Plans

The AT49BV3218-11CI is widely used in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive applications - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

• AT49BV1614T-12CI
• AT49BV8192A-11CI
• AT49BV4096A-12CI
• AT49BV2048A-11CI
• AT49BV1024A-12CI

These alternative models offer similar functionality and specifications, providing options for different memory capacity requirements.

In conclusion, the AT49BV3218-11CI is a non-volatile memory device that offers high-capacity storage, fast access times, and low power consumption. Its functional features, advantages, and disadvantages make it suitable for a wide range of applications in various industries.