AT25SF041-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: Reliable and efficient storage solution
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 4 Megabits (512 Kilobytes)
• 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 AT25SF041-SHD-B has a total of 8 pins arranged as follows:

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 up to 75 MHz
• Low power consumption for extended battery life
• Flexible erase and program operations
• Sector protection with write protect pin
• Deep power-down mode for reduced standby power

Advantages and Disadvantages

Advantages

• Compact size allows for easy integration into various applications
• High-speed data transfer enables quick access to stored information
• Low power consumption prolongs battery life in portable devices
• Sector protection ensures data integrity and security
• Deep power-down mode reduces standby power consumption

Disadvantages

• Limited memory capacity compared to higher-end flash memory devices
• Relatively higher cost per megabit compared to larger capacity options

Working Principles

The AT25SF041-SHD-B utilizes the Serial Peripheral Interface (SPI) for communication with a microcontroller or other 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 efficient read and write operations.

Detailed Application Field Plans

The AT25SF041-SHD-B is commonly used in various electronic devices and systems, including but not limited to:

1. Consumer electronics (e.g., smartphones, tablets, digital cameras)
2. Automotive applications (e.g., infotainment systems, instrument clusters)
3. Industrial equipment (e.g., control systems, data loggers)
4. Medical devices (e.g., patient monitoring systems, diagnostic equipment)
5. Communication devices (e.g., routers, modems)

Detailed and Complete Alternative Models

1. AT25SF081-SHD-B: 8 Megabit (1 Megabyte) Serial Flash Memory
2. AT25SF161-SHD-B: 16 Megabit (2 Megabyte) Serial Flash Memory
3. AT25SF321-SHD-B: 32 Megabit (4 Megabyte) Serial Flash Memory
4. AT25SF641-SHD-B: 64 Megabit (8 Megabyte) Serial Flash Memory

These alternative models offer increased memory capacity while maintaining similar characteristics and functionality to the AT25SF041-SHD-B.

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