AT25SF081-SHD-B

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Serial Flash Memory
• Characteristics: High-speed, low-power, small form factor
• Package: SOP-8 (Small Outline Package)
• Essence: Provides reliable and fast non-volatile memory storage for various electronic devices
• Packaging/Quantity: Available in tape and reel packaging, 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: -40°C to +85°C
• Write Endurance: 100,000 cycles
• Data Retention: 20 years

Detailed Pin Configuration

The AT25SF081-SHD-B features an SOP-8 package with 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. VCC (Power Supply)
8. Ground (GND)

Functional Features

• High-speed data transfer up to 75 MHz
• Low power consumption during active and standby modes
• Sector erase and byte/page program operations
• Software and hardware write protection options
• Deep power-down mode for further power savings
• Flexible programming algorithms for efficient data storage

Advantages and Disadvantages

Advantages: - Fast data transfer rate enables quick access to stored information - Low power consumption prolongs battery life in portable devices - Compact size allows integration into space-constrained designs - Reliable data retention ensures long-term storage without loss

Disadvantages: - Limited storage capacity compared to larger memory devices - Requires a compatible SPI interface for communication - Vulnerable to physical damage due to its small size and exposed pins

Working Principles

The AT25SF081-SHD-B utilizes the Serial Peripheral Interface (SPI) to communicate with the host device. It stores data in non-volatile memory cells, which retain information even when power is disconnected. The SPI interface allows for high-speed data transfer between the IC and the host, enabling quick access to stored data.

Detailed Application Field Plans

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

1. Consumer Electronics: Used in smartphones, tablets, digital cameras, and portable media players for storing firmware, boot code, 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, PLCs, and control panels for storing program code, configuration parameters, and historical data.
4. Medical Devices: Incorporated into medical equipment for storing patient data, device settings, and firmware updates.
5. IoT Devices: Integrated into Internet of Things (IoT) devices for storing sensor data, device configurations, and firmware upgrades.

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 with similar specifications.

(Note: This list is not exhaustive and there may be other alternative models available in the market.)

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