AT49BV321-90TI

Product Overview

Category

AT49BV321-90TI belongs to the category of non-volatile memory devices.

Use

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

Characteristics

• Non-volatile: The AT49BV321-90TI retains stored data even when power is removed.
• High capacity: It has a storage capacity of 32 megabits (4 megabytes).
• Fast access time: The device 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 AT49BV321-90TI comes in a compact package that ensures easy integration into various electronic systems.

Essence

The essence of this product lies in its ability to provide reliable and high-capacity non-volatile memory storage.

Packaging/Quantity

The AT49BV321-90TI is typically packaged in trays or reels, with each 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: 90 nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

The AT49BV321-90TI features a parallel interface with the following pin configuration:

1. VCC - Power supply voltage
2. A0-A20 - Address inputs
3. DQ0-DQ15 - Data input/output lines
4. CE - Chip enable
5. OE - Output enable
6. WE - Write enable
7. RESET - Reset input
8. WP - Write protect
9. RP - Ready/Busy output
10. VSS - Ground

Functional Features

• Random Access: The AT49BV321-90TI allows for random access to any memory location, enabling efficient data retrieval.
• High-Speed Programming: This device supports fast programming, reducing the time required to write data into memory.
• Erase Capability: The AT49BV321-90TI can be erased in its entirety or in smaller sectors, providing flexibility in managing stored data.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity meets the requirements of various applications.
• Fast access time enables quick data retrieval.
• Low power consumption makes it suitable for battery-powered devices.

Disadvantages

• Parallel interface may limit compatibility with certain systems.
• Limited erase cycles compared to some other non-volatile memory technologies.

Working Principles

The AT49BV321-90TI utilizes flash memory technology to store and retrieve data. It employs a combination of floating-gate transistors and charge storage mechanisms to achieve non-volatile storage capabilities. When data is written, charges are trapped within the floating gates, preserving the information even when power is removed. During read operations, the stored charges are sensed and converted back into digital data.

Detailed Application Field Plans

The AT49BV321-90TI finds applications in various electronic systems, including but not limited to: 1. Embedded systems 2. Consumer electronics 3. Automotive electronics 4. Industrial control systems 5. Communication devices

Detailed and Complete Alternative Models

1. AT49BV3208-70CU: 32 megabit parallel flash memory with a slower access time of 70 nanoseconds.
2. AT49BV322D-70TU: 32 megabit parallel flash memory with a faster access time of 70 nanoseconds and extended temperature range.

These alternative models offer similar storage capacities and functionalities, but with slight variations in access time and temperature range.

In conclusion, the AT49BV321-90TI is a high-capacity non-volatile memory device that provides reliable data storage for various electronic systems. Its fast access time, low power consumption, and erase capability make it suitable for a wide range of applications. While it has some limitations, such as the parallel interface and limited erase cycles, alternative models are available to cater to specific requirements.