AT49BV3218-90CI

Product Overview

Category

AT49BV3218-90CI belongs to the category of non-volatile memory devices.

Use

This product is primarily used for data storage in various electronic devices such as computers, smartphones, and embedded systems.

Characteristics

• Non-volatile: The AT49BV3218-90CI retains stored data even when power is removed.
• High capacity: This device has a storage capacity of 32 megabits (4 megabytes).
• Fast access time: It offers a fast access time of 90 nanoseconds.
• Low power consumption: The AT49BV3218-90CI operates on low power, making it suitable for battery-powered devices.

Package

The AT49BV3218-90CI is available in a compact plastic package, which ensures protection against external elements and facilitates easy integration into circuit boards.

Essence

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

Packaging/Quantity

The AT49BV3218-90CI 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: 90 nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

The AT49BV3218-90CI features a parallel interface with the following 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. VCC: Power Supply
7. GND: Ground

Functional Features

• Random Access: The AT49BV3218-90CI allows random access to any memory location, enabling efficient data retrieval.
• Sector Erase: This device supports sector erase operations, allowing specific sections of the memory to be erased without affecting other data.
• Programming: The AT49BV3218-90CI supports byte programming, enabling individual bytes or words to be programmed.

Advantages and Disadvantages

Advantages

• High storage capacity
• Fast access time
• Low power consumption
• Reliable non-volatile memory

Disadvantages

• Limited write endurance compared to other memory technologies
• Higher cost per bit compared to some alternative memory options

Working Principles

The AT49BV3218-90CI utilizes flash memory technology for data storage. It employs a combination of floating-gate transistors and charge storage mechanisms to retain data even when power is removed. The device uses various control signals to enable reading, writing, and erasing operations.

Detailed Application Field Plans

The AT49BV3218-90CI finds applications in a wide range of electronic devices, including but not limited to: - Personal computers - Laptops - Smartphones - Tablets - Digital cameras - Printers - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

1. AT49BV322A-70TU: Similar to AT49BV3218-90CI, but with a higher access time of 70 nanoseconds.
2. AT49BV320D-70TU: Offers a lower storage capacity of 16 megabits (2 megabytes) but with a faster access time of 70 nanoseconds.
3. AT49BV322D-70TU: Provides a higher storage capacity of 64 megabits (8 megabytes) with a similar access time of 70 nanoseconds.

These alternative models offer different combinations of storage capacity, access time, and other specifications to cater to diverse application requirements.

In conclusion, the AT49BV3218-90CI is a high-capacity non-volatile memory device that offers fast access times and low power consumption. It finds applications in various electronic devices and provides reliable data storage. While it has limitations in terms of write endurance and cost per bit, there are alternative models available with different specifications to suit specific needs.