AT49BV4096A-90TC

Product Overview

Category

AT49BV4096A-90TC 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 AT49BV4096A-90TC retains stored data even when power is removed.
• High capacity: It offers a storage capacity of 4 megabits (512 kilobytes).
• Fast access time: With a speed of 90 nanoseconds, it ensures quick data retrieval.
• Low power consumption: The device operates at low power levels, making it suitable for battery-powered applications.

Package

The AT49BV4096A-90TC is available in a surface-mount TSOP package, which provides ease of integration into circuit boards.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic devices, ensuring data integrity even during power interruptions or system failures.

Packaging/Quantity

The AT49BV4096A-90TC is typically packaged in reels, with each reel containing a specific quantity of devices. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Capacity: 4 Megabits (512 Kilobytes)
• Access Time: 90 Nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel

Detailed Pin Configuration

The AT49BV4096A-90TC has a total of 32 pins, which are assigned specific functions. 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. BYTE: Byte/Word Organization Selection
7. VCC: Power Supply
8. GND: Ground

Functional Features

• Random Access: The AT49BV4096A-90TC allows random access to any memory location, enabling efficient data retrieval.
• Erase and Program Operations: It supports both erase and program operations, allowing for flexible data modification.
• Sector Lockout: This feature enables the protection of specific sectors from accidental erasure or programming.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity.
• High capacity for storing large amounts of data.
• Fast access time for quick data retrieval.
• Low power consumption for energy-efficient operation.

Disadvantages

• Limited write endurance compared to other memory technologies.
• Relatively higher cost per bit compared to some alternative memory options.

Working Principles

The AT49BV4096A-90TC utilizes flash memory technology to store data. It employs a combination of floating-gate transistors and charge trapping mechanisms to retain information even when power is removed. The device uses a parallel interface to communicate with the host system, allowing for efficient data transfer.

Detailed Application Field Plans

The AT49BV4096A-90TC finds applications in various fields, including: 1. Microcontrollers: Used for program storage in microcontroller-based systems. 2. Embedded Systems: Provides non-volatile storage for firmware and configuration data in embedded systems. 3. Consumer Electronics: Used in devices such as digital cameras, set-top boxes, and gaming consoles for data storage.

Detailed and Complete Alternative Models

1. AT49BV8192A-120TC: A similar device with double the storage capacity (8 Megabits).
2. AT45DB041D-SU: A serial interface flash memory device with 4 Megabits capacity and additional features like data protection and security.

These alternative models offer different specifications and features, providing options to suit specific application requirements.

In conclusion, the AT49BV4096A-90TC 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 limitations in terms of write endurance and cost, alternative models are available to cater to different needs.