AT49BV321T-90CI

Product Overview

Category

AT49BV321T-90CI belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving digital information in electronic systems.

Characteristics

• Non-volatile: The AT49BV321T-90CI retains data even when power is removed.
• High capacity: This device has a storage capacity of 32 megabits (4 megabytes).
• Fast access time: The AT49BV321T-90CI offers a fast access time of 90 nanoseconds.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.

Package

The AT49BV321T-90CI is available in a compact package, which ensures easy integration into various electronic systems.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for digital data.

Packaging/Quantity

The AT49BV321T-90CI is typically packaged in trays or reels, with a quantity of multiple units per package.

Specifications

• Storage Capacity: 32 megabits (4 megabytes)
• Access Time: 90 nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

The AT49BV321T-90CI has a total of 48 pins. The pin configuration is as follows:

1. A0-A18: Address Inputs
2. DQ0-DQ15: Data Input/Output
3. CE: Chip Enable
4. OE: Output Enable
5. WE: Write Enable
6. VCC: Power Supply
7. GND: Ground

Functional Features

• Random Access: The AT49BV321T-90CI allows random access to any location within its memory array.
• Erase and Program Operations: It supports both sector erase and byte program operations, enabling flexible data manipulation.
• Automatic Page Write: This feature simplifies the programming process by allowing multiple bytes to be programmed at once.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• High capacity provides ample space for storing large amounts of digital information.
• Fast access time allows for quick retrieval of data.
• Low power consumption makes it suitable for battery-powered devices.

Disadvantages

• Limited write endurance: The AT49BV321T-90CI has a finite number of erase/write cycles before it may become unreliable.
• Relatively higher cost compared to other types of memory devices.

Working Principles

The AT49BV321T-90CI utilizes flash memory technology. It stores data in a series of memory cells, which are organized into sectors. These cells can be electrically erased and reprogrammed using specific voltage levels. When data is read from the memory, the stored charge in each cell is detected and interpreted as binary information.

Detailed Application Field Plans

The AT49BV321T-90CI finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT49BV321T-90CI include: - AT45DB321D-SU: A 32 megabit serial flash memory device with similar characteristics and features. - AM29F032B-90EC: A 32 megabit parallel flash memory device with comparable specifications.

These alternative models can be considered based on specific system requirements and compatibility.

In conclusion, the AT49BV321T-90CI is a non-volatile memory device with high capacity, fast access time, and low power consumption. It offers reliable storage for digital data in various electronic systems. While it has advantages such as non-volatility and high capacity, it also has limitations like limited write endurance and relatively higher cost. Understanding its working principles and considering alternative models can help in making informed decisions for specific application needs.