AT25DF041A-SSHF-T

Product Overview

Category

AT25DF041A-SSHF-T belongs to the category of Serial Flash Memory.

Use

It is primarily used for storing and retrieving digital information in electronic devices.

Characteristics

• Non-volatile memory: Retains data even when power is turned off.
• Serial interface: Allows for easy integration with microcontrollers and other digital systems.
• High storage capacity: The AT25DF041A-SSHF-T has a capacity of 4 megabits (512 kilobytes).
• Fast read and write operations: Enables efficient data transfer between the memory and the device.

Package

The AT25DF041A-SSHF-T is available in a small form factor package, making it suitable for space-constrained applications.

Essence

The essence of AT25DF041A-SSHF-T lies in its ability to provide reliable and high-performance non-volatile memory storage in a compact package.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of AT25DF041A-SSHF-T chips. The exact 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
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 20 years
• Endurance: 100,000 write cycles per sector

Detailed Pin Configuration

The AT25DF041A-SSHF-T has a total of 8 pins, each serving a specific purpose:

1. Chip Select (/CS): Used to enable or disable the device for communication.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Used to input data into the device.
4. Serial Data Output (SO): Outputs data from the device.
5. Hold (/HOLD): Allows for pausing serial communication without losing data.
6. Write Protect (/WP): Enables or disables write operations.
7. VCC: Power supply voltage.
8. Ground (GND): Common ground reference.

Functional Features

• High-speed read and write operations: The AT25DF041A-SSHF-T offers fast data transfer rates, allowing for efficient access to stored information.
• Sector-based architecture: The memory is divided into multiple sectors, enabling selective erasure and programming of data.
• Software protection features: Write protection and lock-down mechanisms ensure data integrity and prevent unauthorized modifications.
• Low power consumption: The device operates at low power levels, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages

• Compact form factor enables integration in space-constrained designs.
• High storage capacity allows for storing a significant amount of data.
• Fast read and write operations enhance overall system performance.
• Software protection features ensure data security.

Disadvantages

• Limited endurance compared to other non-volatile memory technologies.
• Relatively higher cost per bit compared to alternative memory solutions.

Working Principles

The AT25DF041A-SSHF-T utilizes the Serial Peripheral Interface (SPI) protocol for communication with the host device. It stores data in non-volatile memory cells that retain their state even when power is turned off. The memory is organized into sectors, which can be individually erased or programmed. The SPI interface facilitates high-speed data transfer between the memory and the host device.

Detailed Application Field Plans

The AT25DF041A-SSHF-T finds application in various electronic devices, including but not limited to: - Consumer electronics: Smartphones, tablets, digital cameras. - Automotive systems: Infotainment systems, instrument clusters. - Industrial equipment: Data loggers, control systems. - Medical devices: Patient monitoring systems, diagnostic equipment.

Detailed and Complete Alternative Models

1. AT25DF321A-SSHF-T: 32 megabit (4 megabyte) Serial Flash Memory with similar characteristics and package.
2. MX25L4006E: 4 megabit Serial Flash Memory from another manufacturer, offering comparable features.

These alternative models can be considered based on specific requirements and compatibility with the target system.

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