AT45DB041B-CNI

Product Overview

Category: Integrated Circuit
Use: Data Storage
Characteristics: Non-volatile, Serial Interface
Package: 8-pin SOIC (Small Outline Integrated Circuit)
Essence: Flash Memory
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Memory Size: 4 Megabits (512 Kilobytes)
Interface: Serial Peripheral Interface (SPI)
Operating Voltage: 2.7V to 3.6V
Operating Temperature: -40°C to +85°C
Data Retention: More than 20 years
Endurance: 100,000 write cycles

Pin Configuration

The AT45DB041B-CNI has the following pin configuration:

Chip Select (/CS)
Output Enable (/OE)
Write Protect (/WP)
Serial Data Input (SI)
Serial Data Output (SO)
Serial Clock (SCK)
Ground (GND)
Power Supply (VCC)

Functional Features

Dual-interface: Supports both SPI and RapidS serial interface modes.
Page Program Operation: Allows programming of up to 256 bytes in a single operation.
Continuous Read Mode: Enables sequential reading of data from multiple pages without the need for readdressing.
Sector Erase Capability: Provides the ability to erase large blocks of memory (64KB) at once.
Software Protection: Offers software-controlled protection against accidental erasure or modification of data.

Advantages and Disadvantages

Advantages: - High-speed data transfer rate - Low power consumption - Compact package size - Wide operating temperature range

Disadvantages: - Limited storage capacity compared to other flash memory options - Relatively higher cost per megabit compared to larger capacity chips

Working Principles

The AT45DB041B-CNI is based on the principles of flash memory technology. It utilizes a combination of floating-gate transistors and charge storage to store data in non-volatile memory cells. The serial interface allows for easy integration with microcontrollers and other digital devices.

Application Field Plans

The AT45DB041B-CNI is commonly used in various applications, including but not limited to: - Consumer electronics (e.g., digital cameras, MP3 players) - Industrial automation systems - Automotive electronics - Medical devices - Communication equipment

Alternative Models

Some alternative models that offer similar functionality to the AT45DB041B-CNI include: - AT25SF041 - MX25L4006E - W25Q40EW

These models can be considered as alternatives depending on specific requirements and compatibility with existing systems.

In conclusion, the AT45DB041B-CNI is a 4 Megabit flash memory integrated circuit primarily used for data storage. Its compact size, dual-interface capability, and sector erase feature make it suitable for a wide range of applications. However, its limited storage capacity and relatively higher cost per megabit should be taken into consideration when choosing an appropriate memory solution.

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van AT45DB041B-CNI in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of AT45DB041B-CNI in technical solutions:

Q: What is the AT45DB041B-CNI? A: The AT45DB041B-CNI is a serial flash memory chip manufactured by Adesto Technologies. It has a capacity of 4 megabits (512 kilobytes) and operates on a standard SPI interface.
Q: What are some typical applications for the AT45DB041B-CNI? A: The AT45DB041B-CNI is commonly used in various embedded systems, IoT devices, industrial automation, consumer electronics, and other applications that require non-volatile storage.
Q: What is the operating voltage range of the AT45DB041B-CNI? A: The AT45DB041B-CNI operates within a voltage range of 2.7V to 3.6V.
Q: How fast can data be read from the AT45DB041B-CNI? A: The AT45DB041B-CNI supports a maximum clock frequency of 85 MHz, allowing for fast data read operations.
Q: Can the AT45DB041B-CNI be easily interfaced with microcontrollers? A: Yes, the AT45DB041B-CNI uses a standard SPI interface, which is widely supported by most microcontrollers, making it easy to integrate into various projects.
Q: Does the AT45DB041B-CNI support both sequential and random access modes? A: Yes, the AT45DB041B-CNI supports both sequential and random access modes, providing flexibility in accessing data stored in the memory.
Q: What is the endurance rating of the AT45DB041B-CNI? A: The AT45DB041B-CNI has an endurance rating of 100,000 write cycles per sector, ensuring reliable and long-lasting data storage.
Q: Can the AT45DB041B-CNI operate in harsh environments? A: Yes, the AT45DB041B-CNI is designed to operate in a wide temperature range (-40°C to +85°C) and can withstand vibration and shock, making it suitable for rugged applications.
Q: Does the AT45DB041B-CNI have any built-in security features? A: No, the AT45DB041B-CNI does not have built-in security features. If data security is required, additional measures need to be implemented at the system level.
Q: Are there any development tools or libraries available for working with the AT45DB041B-CNI? A: Yes, Adesto Technologies provides various development tools, documentation, and software libraries to assist developers in integrating and programming the AT45DB041B-CNI in their projects.

Please note that these answers are general and may vary depending on specific implementation details and requirements.