AT26DF081A-SU

Product Overview

Category

AT26DF081A-SU belongs to the category of Serial Flash Memory.

Use

It is primarily used for storing data in electronic devices such as microcontrollers, digital cameras, and other consumer electronics.

Characteristics

• Non-volatile memory: The stored data is retained even when power is removed.
• High storage capacity: AT26DF081A-SU has a capacity of 8 megabits (1 megabyte).
• Serial interface: It uses a serial peripheral interface (SPI) for communication with the host device.
• Fast read and write operations: It offers high-speed data transfer rates for efficient data handling.
• Low power consumption: It operates at low voltage levels, making it suitable for battery-powered devices.

Package

AT26DF081A-SU is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of AT26DF081A-SU lies in its ability to provide reliable and high-performance data storage in a compact form factor.

Packaging/Quantity

It is typically sold in reels or trays, with each reel containing a specific quantity of AT26DF081A-SU chips.

Specifications

• Memory Capacity: 8 megabits (1 megabyte)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Data Transfer Rate: Up to 85 MHz
• Erase/Program Cycle Endurance: 100,000 cycles
• Data Retention: 20 years

Detailed Pin Configuration

The AT26DF081A-SU has a total of 8 pins, which are assigned specific functions:

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): Used to input data from the host device.
4. Serial Data Output (SO): Outputs data from the memory to the host device.
5. Write Protect (/WP): Enables or disables write protection for the memory.
6. Hold (/HOLD): Pauses ongoing operations without resetting the device.
7. VCC: Power supply voltage.
8. Ground (GND): Common ground reference.

Functional Features

• Fast Read and Write Operations: AT26DF081A-SU offers high-speed data transfer rates, allowing for efficient read and write operations.
• Sector Erase Capability: It supports sector-based erasure, enabling selective deletion of specific memory sectors.
• Software and Hardware Protection: The memory can be protected against accidental writes using software or hardware methods.
• Deep Power-Down Mode: It features a low-power mode that reduces power consumption when the device is not in use.
• Status Register: Provides information about the device's status, such as write protection and erase completion.

Advantages and Disadvantages

Advantages

• High storage capacity for data-intensive applications.
• Fast data transfer rates for quick access to stored information.
• Low power consumption, making it suitable for battery-powered devices.
• Sector-based erasure allows for efficient memory management.
• Software and hardware protection options ensure data integrity.

Disadvantages

• Limited storage capacity compared to other flash memory options.
• Requires a serial interface, which may not be compatible with all devices.
• Relatively higher cost compared to traditional non-volatile memory options.

Working Principles

AT26DF081A-SU utilizes the Serial Peripheral Interface (SPI) protocol for communication with the host device. It stores data in non-volatile memory cells, which retain information even when power is removed. The device can be accessed by sending commands through the SPI interface, allowing for read, write, and erase operations. The memory is organized into sectors, which can be individually erased or written to.

Detailed Application Field Plans

AT26DF081A-SU finds applications in various electronic devices, including but not limited to: - Microcontrollers - Digital cameras - Set-top boxes - Printers - Automotive electronics - Industrial control systems

Its high storage capacity, fast data transfer rates, and low power consumption make it suitable for data-intensive applications that require reliable and efficient data storage.

Detailed and Complete Alternative Models

Some alternative models to AT26DF081A-SU include: - AT25SF081: Similar specifications and functionality, but with a different package. - MX25L8006E: Comparable capacity and interface, offered by another manufacturer. - W25Q80BV: Alternative option with similar features and performance characteristics.

These alternative models provide similar functionality and can be considered as substitutes based on specific requirements and compatibility considerations.

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