AT49BV322AT-70CI

Product Overview

Category

The AT49BV322AT-70CI belongs to the category of non-volatile memory devices.

Use

This product is primarily used for data storage in various electronic devices, such as microcontrollers, embedded systems, and consumer electronics.

Characteristics

• Non-volatile: The AT49BV322AT-70CI retains stored data even when power is removed.
• High capacity: It offers a storage capacity of 32 megabits (4 megabytes).
• Fast access time: The device provides quick access to stored data with a maximum access time of 70 nanoseconds.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.

Package

The AT49BV322AT-70CI is available in a compact plastic package, which ensures protection against environmental factors and facilitates easy integration into circuit boards.

Essence

The essence of this product lies in its ability to store and retrieve digital information reliably and efficiently.

Packaging/Quantity

The AT49BV322AT-70CI is typically packaged in reels or trays, with each reel or tray containing a specific quantity of devices. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Storage Capacity: 32 megabits (4 megabytes)
• Access Time: 70 nanoseconds (maximum)
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

The AT49BV322AT-70CI has a total of 48 pins, which are assigned different functions. Here is a detailed pin configuration:

1. A0-A18: Address Inputs
2. DQ0-DQ15: Data Inputs/Outputs
3. CE: Chip Enable
4. OE: Output Enable
5. WE: Write Enable
6. BYTE: Byte/Word Organization Selection
7. VCC: Power Supply
8. GND: Ground

Functional Features

• Random Access: The AT49BV322AT-70CI allows random access to any location within the memory array, enabling efficient data retrieval.
• Erase and Program Operations: It supports both erase and program operations, allowing users to modify stored data as needed.
• Sector Lockdown: This feature enables specific sectors of the memory to be locked, preventing accidental modification or erasure.

Advantages and Disadvantages

Advantages

• High storage capacity
• Fast access time
• Low power consumption
• Reliable data retention
• Compact package for easy integration

Disadvantages

• Limited write endurance (number of erase/write cycles)
• Relatively higher cost compared to other memory technologies

Working Principles

The AT49BV322AT-70CI is based on Flash memory technology. It utilizes a grid of floating-gate transistors to store digital information. Data can be written by applying appropriate voltage levels to specific pins, and it can be read by accessing the desired memory location through the address inputs.

Detailed Application Field Plans

The AT49BV322AT-70CI finds applications in various fields, including: 1. Microcontrollers: Used for storing firmware, configuration data, and program code. 2. Embedded Systems: Provides non-volatile storage for critical system parameters and data logging. 3. Consumer Electronics: Used in devices such as digital cameras, set-top boxes, and gaming consoles for data storage.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT49BV322AT-70CI include: - AT45DB321D-SU: A 32-megabit serial Flash memory device with similar characteristics. - S29GL032N90TFI040: A 32-megabit parallel Flash memory device with comparable specifications.

In conclusion, the AT49BV322AT-70CI is a non-volatile memory device that offers high capacity, fast access time, and low power consumption. It finds applications in various electronic devices and provides reliable data storage. While it has advantages such as random access and erase/program operations, it also has limitations like limited write endurance and higher cost compared to other memory technologies.