AT25DF041A-SH-T

Product Overview

Category

AT25DF041A-SH-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: Offers 4 megabits (512 kilobytes) of memory.
• Low power consumption: Optimized for energy-efficient operation.
• Fast read and write speeds: Enables quick access to stored data.

Package

AT25DF041A-SH-T is available in a small form factor package, commonly known as SOIC-8 (Small Outline Integrated Circuit).

Essence

The essence of AT25DF041A-SH-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, containing a specified quantity of chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

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

Detailed Pin Configuration

The AT25DF041A-SH-T has a total of 8 pins, which are assigned specific functions:

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): Receives data from the microcontroller.
4. Serial Data Output (SO): Transmits data to the microcontroller.
5. Write Protect (/WP): Enables or disables write protection.
6. Hold (/HOLD): Suspends ongoing operations temporarily.
7. VCC: Power supply voltage.
8. Ground (GND): Common ground reference.

Functional Features

• High-speed read and write operations.
• Sector erase and byte/page program functionality.
• Software and hardware write protection options.
• Deep power-down mode for ultra-low power consumption.
• Continuous read mode for efficient data streaming.
• Flexible sector architecture for easy data management.

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for portable devices.
• High-speed operation allows for quick access to stored data.
• Versatile interface enables seamless integration with various microcontrollers.
• Reliable non-volatile memory ensures data retention even in harsh environments.

Disadvantages

• Limited storage capacity compared to other flash memory options.
• Erase and program cycles are limited, which may affect long-term durability.
• Requires additional circuitry for proper interfacing with the microcontroller.

Working Principles

AT25DF041A-SH-T utilizes the Serial Peripheral Interface (SPI) protocol for communication with the microcontroller. It stores data in non-volatile memory cells, which retain information even when power is disconnected. The device can be accessed by sending specific commands through the SPI interface, allowing for read, write, erase, and other operations.

Detailed Application Field Plans

AT25DF041A-SH-T finds applications in various electronic devices, including but not limited to: - Consumer electronics (e.g., smartphones, tablets, digital cameras) - Automotive systems (e.g., infotainment systems, instrument clusters) - Industrial control systems (e.g., PLCs, robotics) - Medical devices (e.g., patient monitoring systems, diagnostic equipment) - IoT devices (e.g., smart home appliances, wearable devices)

Detailed and Complete Alternative Models

Some alternative models to AT25DF041A-SH-T that offer similar functionality include: - Winbond W25Q32JVZPIQ - Macronix MX25L4006EZNI-12G - Microchip SST25VF040B-80-4I-S2AF

These alternatives provide comparable features and can be considered based on specific requirements and availability.

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