AT25DF081A-MH-T

Product Overview

Category

AT25DF081A-MH-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: The stored data is retained even when power is removed.
• High storage capacity: AT25DF081A-MH-T has a capacity of 8 megabits (1 megabyte).
• Serial interface: It uses a serial peripheral interface (SPI) for communication.
• Low power consumption: It operates at low voltage levels, making it energy-efficient.
• Fast read and write speeds: It offers high-speed data transfer for efficient operations.

Package

AT25DF081A-MH-T is available in a compact surface-mount package.

Essence

The essence of AT25DF081A-MH-T lies in its ability to provide reliable and high-performance storage solutions for various electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of AT25DF081A-MH-T chips.

Specifications

• Memory Capacity: 8 megabits (1 megabyte)
• 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
• Erase/Program Cycles: 100,000 cycles

Detailed Pin Configuration

The AT25DF081A-MH-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 synchronous data transfer.
3. Serial Data Input (SI): Transfers data from the microcontroller to the memory.
4. Serial Data Output (SO): Transfers data from the memory to the microcontroller.
5. Hold (/HOLD): Pauses ongoing operations without resetting the device.
6. Write Protect (/WP): Enables or disables write protection for the memory.
7. VCC: Power supply voltage input.
8. Ground (GND): Common ground reference.

Functional Features

• Fast Read and Write Operations: AT25DF081A-MH-T offers high-speed data transfer, allowing for efficient read and write operations.
• Sector Erase and Program: It supports sector-based erase and program operations, enabling targeted modifications.
• Software Protection: The memory can be software-protected to prevent unauthorized access or modification of stored data.
• Deep Power-Down Mode: It features a low-power deep power-down mode, reducing energy consumption during idle periods.
• Status Register: Provides information about the device's status, such as write-in-progress or protection status.

Advantages and Disadvantages

Advantages

• High storage capacity for various applications.
• Low power consumption, making it suitable for battery-powered devices.
• Fast read and write speeds enhance overall system performance.
• Compact package size allows for easy integration into electronic devices.
• Software protection ensures data security.

Disadvantages

• Limited erase and program cycles may affect the lifespan of the memory.
• Requires a dedicated serial interface for communication.

Working Principles

AT25DF081A-MH-T utilizes the Serial Peripheral Interface (SPI) protocol to communicate with a microcontroller or other host devices. It stores data in non-volatile memory cells, which retain information even when power is removed. The memory can be accessed by sending commands through the SPI interface, allowing for read, write, erase, and other operations.

Detailed Application Field Plans

AT25DF081A-MH-T finds application 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 equipment (e.g., control systems, data loggers) - Medical devices (e.g., patient monitoring systems, diagnostic equipment) - Communication devices (e.g., routers, modems)

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT25DF081A-MH-T include: - AT25SF081: A higher-performance serial flash memory with the same capacity. - MX25L8006E: Another 8 megabit serial flash memory from a different manufacturer. - W25Q80BV: A low-power serial flash memory with comparable specifications.

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

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