AT25SF041-SHD-T

Product Overview

Category: Integrated Circuits (ICs)

Use: The AT25SF041-SHD-T is a Serial Flash Memory IC that provides non-volatile storage for various electronic devices. It is commonly used in applications such as consumer electronics, automotive systems, industrial equipment, and communication devices.

Characteristics: - High-speed data transfer - Low power consumption - Wide operating voltage range - Small form factor - Reliable data retention - Easy integration with microcontrollers

Package: The AT25SF041-SHD-T is available in a small outline package (SOP) with 8 pins. This compact package allows for easy installation on circuit boards and saves valuable space in electronic devices.

Essence: The essence of the AT25SF041-SHD-T is its ability to store and retrieve data reliably, making it an essential component in many electronic devices. It offers a convenient and efficient solution for storing program code, configuration settings, and other critical data.

Packaging/Quantity: The AT25SF041-SHD-T is typically sold in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Size: 4 Megabits (512 Kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Data Transfer Rate: Up to 75 MHz
• Operating Temperature Range: -40°C to +85°C
• Erase/Program Cycles: 100,000 cycles (minimum)
• Data Retention: 20 years (minimum)

Pin Configuration

The AT25SF041-SHD-T has the following pin configuration:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input (SI)
4. Serial Data Output (SO)
5. Write Protect (/WP)
6. Hold (/HOLD)
7. Ground (GND)
8. Power Supply (VCC)

Functional Features

• High-Speed Data Transfer: The AT25SF041-SHD-T supports a high-speed SPI interface, allowing for fast data transfer between the IC and the microcontroller.
• Flexible Erase and Program Operations: It provides sector-based erase and byte/page program operations, giving users the flexibility to modify specific sections of memory without affecting the entire data.
• Hardware and Software Protection: The IC offers hardware and software protection features to prevent unauthorized access or accidental modification of stored data.
• Low Power Consumption: With its low power consumption design, the AT25SF041-SHD-T is suitable for battery-powered devices, extending the battery life.

Advantages and Disadvantages

Advantages: - Compact size and easy integration - High-speed data transfer - Reliable data retention - Flexible erase and program operations - Hardware and software protection

Disadvantages: - Limited storage capacity compared to higher-density flash memory ICs - Relatively higher cost per megabit compared to larger memory ICs

Working Principles

The AT25SF041-SHD-T utilizes the Serial Peripheral Interface (SPI) protocol to communicate with the microcontroller. It stores data in non-volatile memory cells that can be electrically erased and programmed. The SPI interface allows for efficient data transfer between the IC and the microcontroller, enabling read, write, and erase operations.

Detailed Application Field Plans

The AT25SF041-SHD-T finds applications in various fields, including:

1. Consumer Electronics: Used in smart TVs, set-top boxes, digital cameras, and portable media players for storing firmware, configuration settings, and user data.
2. Automotive Systems: Employed in car infotainment systems, navigation devices, and engine control units (ECUs) for storing critical data, such as firmware updates and vehicle parameters.
3. Industrial Equipment: Utilized in industrial automation systems, robotics, and control panels for storing program code, configuration data, and sensor calibration information.
4. Communication Devices: Integrated into routers, modems, and network switches for storing firmware, network settings, and log data.

Detailed and Complete Alternative Models

1. AT25SF041-SSHD-T: Similar to AT25SF041-SHD-T but with extended temperature range (-40°C to +105°C).
2. AT25SF081-SHD-T: Double the memory size of AT25SF041-SHD-T (8 Megabits or 1 Megabyte).
3. AT25SF161-SHD-T: Four times the memory size of AT25SF041-SHD-T (16 Megabits or 2 Megabytes).

These alternative models offer increased storage capacity or enhanced temperature range, catering to specific application requirements.

In conclusion, the AT25