AT49BV320CT-70CI

Product Overview

Category

The AT49BV320CT-70CI belongs to the category of Flash Memory products.

Use

This product is primarily used for data storage in various electronic devices such as computers, smartphones, tablets, and other digital devices.

Characteristics

• Non-volatile memory: The AT49BV320CT-70CI retains stored data even when power is removed.
• High capacity: This flash memory chip has a capacity of 32 megabits (4 megabytes).
• Fast access time: It offers quick read and write operations, ensuring efficient data transfer.
• Low power consumption: The AT49BV320CT-70CI is designed to consume minimal power during operation.
• Wide temperature range: It can operate reliably within a wide temperature range, making it suitable for various environments.

Package and Quantity

The AT49BV320CT-70CI is available in a compact package, typically a surface-mount device (SMD). The exact package dimensions and pin configuration are provided in the specifications section below. These flash memory chips are usually sold in reels or trays, with quantities varying depending on the manufacturer's packaging standards.

Specifications

• Manufacturer: Atmel Corporation
• Model: AT49BV320CT-70CI
• Memory Type: Flash
• Capacity: 32 Megabits (4 Megabytes)
• Access Time: 70 nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Package Type: Surface Mount Device (SMD)
• Pin Count: 48 pins

Detailed Pin Configuration

The AT49BV320CT-70CI features a total of 48 pins, each serving a specific purpose. The detailed pin configuration is as follows:

1. VCC - Power supply voltage
2. A0-A18 - Address inputs
3. CE# - Chip enable input
4. OE# - Output enable input
5. WE# - Write enable input
6. BYTE# - Byte/word organization control
7. DQ0-DQ15 - Data input/output lines
8. RY/BY# - Ready/busy output
9. RESET# - Reset input
10. WP#/ACC - Write protect/acceleration input

(Continued for the remaining pins...)

Functional Features

The AT49BV320CT-70CI offers several functional features that enhance its usability and performance:

1. High-speed data transfer: With a fast access time of 70 nanoseconds, this flash memory chip enables quick read and write operations.
2. Flexible byte/word organization: The BYTE# pin allows users to select between byte or word organization, providing versatility in data storage.
3. Low power consumption: Designed with power efficiency in mind, the AT49BV320CT-70CI minimizes energy consumption during operation, prolonging battery life in portable devices.
4. Reliable data retention: This flash memory chip ensures data integrity and reliability, making it suitable for critical applications where data loss is not an option.

Advantages and Disadvantages

Advantages

• High capacity for storing large amounts of data.
• Fast access time for efficient data transfer.
• Wide temperature range for reliable operation in various environments.
• Low power consumption for extended battery life.
• Versatile byte/word organization for flexible data storage.

Disadvantages

• Limited storage capacity compared to higher-capacity flash memory options.
• Relatively slower access time compared to some newer flash memory technologies.

Working Principles

The AT49BV320CT-70CI utilizes the principles of flash memory technology. It stores data by trapping electric charges within floating gate transistors. These charges represent binary information, which can be read or modified through specific electrical signals. The chip's control inputs (CE#, OE#, WE#) and address inputs (A0-A18) enable the user to perform various operations such as reading, writing, and erasing data.

Detailed Application Field Plans

The AT49BV320CT-70CI finds application in a wide range of electronic devices that require non-volatile storage capabilities. Some common application fields include:

1. Personal Computers: Used for storing BIOS firmware, system software, and other critical data.
2. Mobile Devices: Provides storage for operating systems, applications, and user data in smartphones, tablets, and portable media players.
3. Automotive Electronics: Utilized in automotive infotainment systems, instrument clusters, and navigation systems for data storage.
4. Industrial Control Systems: Used in programmable logic controllers (PLCs), data loggers, and other industrial equipment for storing configuration data and program code.
5. Consumer Electronics: Found in digital cameras, gaming consoles, and audio/video recorders for data storage purposes.

Detailed and Complete Alternative Models

1. AT49BV320