AT49LV321T-90TI

Product Overview

Category

AT49LV321T-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 AT49LV321T-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 on low power, making it suitable for battery-powered devices.

Package

The AT49LV321T-90TI comes in a surface-mount package.

Essence

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

Packaging/Quantity

The AT49LV321T-90TI is typically packaged in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Memory Type: Flash
• Memory Size: 32 Megabits (4 Megabytes)
• Access Time: 90 Nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Package Type: Surface Mount
• Pin Count: 48

Detailed Pin Configuration

The AT49LV321T-90TI has a total of 48 pins, which are assigned specific functions for proper operation. The detailed pin configuration is as follows:

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

Functional Features

• High-speed data transfer: The AT49LV321T-90TI offers fast read and write operations, enabling efficient data transfer.
• Sector erase capability: It supports sector-based erasure, allowing selective removal of data.
• Hardware and software protection: The device provides options for hardware and software protection mechanisms to prevent unauthorized access or modification of stored data.
• Low power consumption: The product is designed to minimize power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity allows for storing large amounts of data.
• Fast access time enables quick retrieval of information.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

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

Working Principles

The AT49LV321T-90TI utilizes flash memory technology to store and retrieve data. It employs a combination of floating-gate transistors and charge storage to represent binary information. When data is written, charges are trapped in the floating gate, altering the transistor's behavior. During read operations, the stored charges are detected, allowing the retrieval of the stored data.

Detailed Application Field Plans

The AT49LV321T-90TI finds applications in various electronic systems, including but not limited to: - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems - Communication devices

Detailed and Complete Alternative Models

1. AT49BV322A-70TU: Similar to AT49LV321T-90TI, but with a lower access time of 70 nanoseconds.
2. AT49LV321T-70TI: Similar to AT49LV321T-90TI, but with a lower access time of 70 nanoseconds and a different package type.

These alternative models offer similar functionality and can be considered as alternatives based on specific requirements and constraints.

In conclusion, the AT49LV321T-90TI is a high-capacity non-volatile memory device that provides reliable data storage for various electronic applications. Its fast access time, low power consumption, and sector erase capability make it a versatile choice for many industries. However, its limited endurance and relatively higher cost should be taken into consideration when selecting this product.