AT25XE041B-XMHN-T

Product Overview

• Category: Non-volatile Memory
• Use: Data storage and retrieval
• Characteristics: High-speed, low-power, reliable
• Package: 8-pin SOIC
• Essence: Serial Flash memory
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Memory Size: 4 Megabits (512 Kbytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Write Protection: Software and hardware write protection
• Erase Time: Sector erase time of 100ms, full chip erase time of 1s
• Data Retention: Up to 20 years
• Endurance: 100,000 program/erase cycles

Detailed Pin Configuration

The AT25XE041B-XMHN-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. VCC (Power Supply)
8. Ground (GND)

Functional Features

• High-speed data transfer with SPI interface
• Low power consumption for extended battery life
• Reliable data retention and endurance
• Sector-based erase and program operations
• Software and hardware write protection options
• Deep power-down mode for further power savings

Advantages and Disadvantages

Advantages: - High-speed data transfer enables fast read/write operations - Low power consumption extends battery life in portable devices - Reliable data retention ensures long-term storage integrity - Sector-based erase allows efficient memory management - Write protection options enhance data security - Deep power-down mode reduces power consumption during idle periods

Disadvantages: - Limited storage capacity compared to larger memory devices - Requires an external microcontroller or host device for operation - Relatively higher cost per megabit compared to other memory technologies

Working Principles

The AT25XE041B-XMHN-T is a serial Flash memory that utilizes the Serial Peripheral Interface (SPI) for communication with a microcontroller or host device. It stores data in non-volatile memory cells, which retain information even when power is removed.

During operation, the microcontroller sends commands and data to the AT25XE041B-XMHN-T through the SPI interface. The memory can be read, written, and erased at the sector level. Write protection options are available to prevent accidental modification of stored data.

The memory operates within a specified voltage range and temperature range, ensuring reliable performance in various environments. It also features a deep power-down mode, which minimizes power consumption when the memory is not in use.

Detailed Application Field Plans

The AT25XE041B-XMHN-T is commonly used in various applications, including:

1. Consumer Electronics: Used for firmware storage in smartphones, tablets, digital cameras, and gaming consoles.
2. Automotive: Used for storing configuration data, firmware updates, and event logging in automotive systems.
3. Industrial Control Systems: Used for program storage in PLCs, HMI devices, and industrial automation equipment.
4. Medical Devices: Used for storing patient data, firmware updates, and diagnostic information in medical devices.
5. Internet of Things (IoT): Used for data logging, firmware updates, and configuration storage in IoT devices.

Detailed and Complete Alternative Models

1. AT25SF041-XMHN-T: Similar specifications and functionality, but with a different package (8-pin SOIC-N).
2. AT25DF041A-XMHN-T: Higher endurance (10 million program/erase cycles) and wider operating temperature range (-40°C to +105°C).
3. AT25SL041A-XMHN-T: Smaller package (8-pin SOIC-N), lower power consumption, and faster erase times.

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

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