AT25DF041B-SSHN-B

Product Overview

Category

AT25DF041B-SSHN-B belongs to the category of Serial Flash Memory.

Use

It is primarily used for storing data in electronic devices such as microcontrollers, digital cameras, and other consumer electronics.

Characteristics

• Non-volatile memory: The stored data is retained even when power is removed.
• High-speed operation: It offers fast read and write operations.
• Low power consumption: It operates at low voltage levels, making it energy-efficient.
• Compact size: The chip is small in size, allowing for easy integration into various devices.

Package

AT25DF041B-SSHN-B is available in a Small-Outline SOIC (SSOIC) package.

Essence

The essence of AT25DF041B-SSHN-B lies in its ability to provide reliable and high-performance data storage in a compact form factor.

Packaging/Quantity

The product is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Memory Size: 4 Megabits (512 Kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Erase/Program Cycle Endurance: 100,000 cycles
• Data Retention: 20 years

Detailed Pin Configuration

The AT25DF041B-SSHN-B has a total of 8 pins:

1. Chip Select (/CS): Used to enable or disable the device.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Used to input data to the device.
4. Serial Data Output (SO): Outputs data from the device.
5. Hold (/HOLD): Used to pause serial communication temporarily.
6. Write Protect (/WP): Enables or disables write operations.
7. VCC: Power supply voltage.
8. Ground (GND): Ground reference for the device.

Functional Features

• Fast Read and Write Operations: The AT25DF041B-SSHN-B offers high-speed data transfer, allowing for efficient read and write operations.
• Sector Erase Capability: It supports sector erase functionality, enabling selective erasure of specific memory sectors.
• Software Protection: The device provides software protection features to prevent unauthorized access to stored data.
• Deep Power-Down Mode: It includes a low-power mode that reduces power consumption when the device is not in use.

Advantages and Disadvantages

Advantages

• Compact size allows for easy integration into various electronic devices.
• High-speed operation enables fast data transfer.
• Low power consumption makes it energy-efficient.
• Sector erase capability provides flexibility in managing data storage.

Disadvantages

• Limited storage capacity compared to other flash memory options.
• Relatively higher cost per unit compared to larger capacity flash memory chips.

Working Principles

AT25DF041B-SSHN-B utilizes the Serial Peripheral Interface (SPI) protocol for communication with the host device. It stores data in non-volatile memory cells, which retain information even when power is removed. The device uses a combination of floating gate and tunneling technologies to enable reliable and long-term data storage.

Detailed Application Field Plans

The AT25DF041B-SSHN-B finds applications in various fields, including:

1. Microcontrollers: It serves as a storage medium for firmware, configuration data, and program code in microcontroller-based systems.
2. Digital Cameras: The flash memory chip is used to store captured images and videos.
3. Consumer Electronics: It is employed in devices such as smartphones, tablets, and portable media players for data storage purposes.
4. Automotive Electronics: The chip is utilized in automotive applications for storing critical data, firmware updates, and configuration settings.

Detailed and Complete Alternative Models

1. AT25DF321A-SSHN-T: A higher capacity flash memory chip with 32 Megabits (4 Megabytes) of storage.
2. AT25SF041-SSHN-B: Similar to AT25DF041B-SSHN-B but with enhanced security features.
3. MX25L4006E-SSHN-B: Another 4 Megabit flash memory chip with a different pin configuration.

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

In conclusion, the AT25DF041B-SSHN-B is a compact and high-performance Serial Flash Memory chip that provides reliable data storage for various electronic devices. Its fast operation, low power consumption, and sector erase capability make it suitable for a wide range of applications. While it has limited storage capacity compared to other options, its advantages outweigh the disadvantages, making it a popular