AT26DF081A-SSU

Product Overview

Category

AT26DF081A-SSU 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.
• High storage capacity: Offers 8 megabits (1 megabyte) of memory.
• Serial interface: Allows for easy integration with various microcontrollers.
• Low power consumption: Operates efficiently, conserving energy.
• Fast read and write speeds: Enables quick access to stored data.
• Reliable performance: Ensures data integrity and durability.
• Wide operating voltage range: Can function within a broad range of voltages.

Package

AT26DF081A-SSU is available in a small form factor package, making it suitable for space-constrained applications.

Essence

The essence of AT26DF081A-SSU lies in its ability to provide reliable and high-capacity non-volatile memory storage in a compact package.

Packaging/Quantity

This product is typically packaged in reels or trays, with a quantity of several hundred units per package.

Specifications

• Memory Size: 8 megabits (1 megabyte)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage Range: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 20 years
• Write Endurance: 100,000 cycles

Detailed Pin Configuration

The AT26DF081A-SSU has a total of 8 pins, each serving a specific purpose:

1. Chip Select (/CS): Enables communication with the device when pulled low.
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): Controls write protection of the memory.
6. Hold (/HOLD): Suspends ongoing operations temporarily.
7. VCC: Power supply voltage input.
8. Ground (GND): Common ground reference.

Functional Features

• Fast Read and Write Operations: The AT26DF081A-SSU offers high-speed read and write operations, allowing for efficient data access.
• Sector Erase Capability: It supports sector erase functionality, enabling selective erasure of specific memory sectors.
• Software Protection: The device provides software-based write protection, preventing unauthorized modification of stored data.
• Deep Power-Down Mode: It features a low-power deep power-down mode, reducing energy consumption during idle periods.
• Continuous Read Mode: This mode allows for continuous sequential reading of data, enhancing overall performance.

Advantages and Disadvantages

Advantages

• High storage capacity
• Fast read and write speeds
• Reliable performance
• Low power consumption
• Compact form factor

Disadvantages

• Limited compatibility with certain microcontrollers
• Relatively higher cost compared to other memory options

Working Principles

The AT26DF081A-SSU utilizes the Serial Peripheral Interface (SPI) protocol to communicate with the microcontroller. It stores data in non-volatile memory cells, which retain information even when power is disconnected. The SPI interface facilitates fast and efficient transfer of data between the microcontroller and the memory chip.

Detailed Application Field Plans

AT26DF081A-SSU finds applications in various electronic devices, including but not limited to: - Consumer electronics - Automotive systems - Industrial control systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

• AT25DF081A
• AT45DB081D
• MX25L8006E
• W25Q80BV

These alternative models offer similar functionalities and can be considered as substitutes for the AT26DF081A-SSU.

In conclusion, the AT26DF081A-SSU is a high-capacity serial flash memory device that provides reliable data storage in a compact package. With its fast read and write speeds, low power consumption, and wide operating voltage range, it is suitable for various applications across different industries. While it may have some limitations, there are alternative models available to meet specific requirements.