AT25SF081-SHF-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Serial Flash Memory
• Characteristics: High-speed, low-power, small form factor
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Stores and retrieves digital information in electronic devices
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 8 Megabits (1 Megabyte)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: More than 20 years
• Program/Erase Cycles: 100,000 cycles

Detailed Pin Configuration

The AT25SF081-SHF-T has the following pin configuration:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input (SI)
4. Serial Data Output (SO)
5. Write Protect (/WP)
6. Hold (/HOLD)
7. Ground (GND)
8. Power Supply (VCC)

Functional Features

• High-speed data transfer with SPI interface
• Low power consumption for extended battery life
• Flexible erase and program operations
• Sector protection and write protection features
• Deep power-down mode for reduced standby power

Advantages and Disadvantages

Advantages: - High-speed data transfer enables quick access to stored information - Low power consumption prolongs battery life in portable devices - Sector protection and write protection enhance data security - Small form factor allows integration into space-constrained designs

Disadvantages: - Limited memory size compared to larger flash memory options - Limited program/erase cycles may affect longevity in certain applications

Working Principles

The AT25SF081-SHF-T is based on the Serial Peripheral Interface (SPI) protocol. It uses a combination of clock and data signals to communicate with the host device. The memory cells store information in a non-volatile manner, meaning the data remains even when power is removed. The SPI interface allows for high-speed data transfer between the memory and the host device.

Detailed Application Field Plans

The AT25SF081-SHF-T is widely used in various electronic devices that require non-volatile storage. Some common application fields include:

1. Consumer Electronics: Used in smartphones, tablets, digital cameras, and portable media players for storing firmware, settings, and user data.
2. Automotive: Integrated into automotive systems for storing calibration data, configuration settings, and event logs.
3. Industrial Control Systems: Utilized in industrial automation equipment for storing program code, configuration parameters, and historical data.
4. Medical Devices: Incorporated into medical instruments and equipment for storing patient data, firmware updates, and diagnostic information.

Detailed and Complete Alternative Models

1. AT25SF041: 4 Megabit (512 Kilobyte) version of the same series
2. AT25SF161: 16 Megabit (2 Megabyte) version of the same series
3. MX25L8006E: 8 Megabit alternative from another manufacturer
4. W25Q80BV: 8 Megabit alternative from another manufacturer

(Note: This list is not exhaustive and other alternatives may exist in the market.)

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