AT25DF641-S3H-T

Product Overview

• Category: Flash Memory
• Use: Data storage and retrieval in electronic devices
• Characteristics: High capacity, fast read/write speeds, low power consumption
• Package: Surface Mount Technology (SMT)
• Essence: Non-volatile memory for storing digital information
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Memory Capacity: 64 Megabits (8 Megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V to 3.6V
• Operating Temperature: -40°C to +85°C
• Data Retention: Up to 20 years
• Erase/Program Cycles: 100,000 cycles

Pin Configuration

The AT25DF641-S3H-T has a total of 8 pins:

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 with SPI interface
• Sector-based erase and program operations
• Software and hardware write protection options
• Deep power-down mode for ultra-low power consumption
• Continuous read mode for efficient data retrieval

Advantages

• Large storage capacity for data-intensive applications
• Fast read/write speeds for quick data access
• Low power consumption for extended battery life
• Flexible write protection options for data security
• Wide operating temperature range for various environments

Disadvantages

• Relatively small compared to higher-capacity flash memory options
• Limited erase/program cycles compared to some other flash memory types

Working Principles

The AT25DF641-S3H-T 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 host and the flash memory. The chip supports sector-based erase and program operations, enabling efficient management of data storage.

Detailed Application Field Plans

The AT25DF641-S3H-T is commonly used in various electronic devices that require non-volatile data storage, such as:

1. Consumer electronics (e.g., smartphones, tablets, digital cameras)
2. Automotive systems (e.g., infotainment systems, navigation units)
3. Industrial equipment (e.g., control systems, measurement devices)
4. Medical devices (e.g., patient monitoring systems, diagnostic equipment)

Alternative Models

• AT25DF321-S3H-T: 32 Megabit (4 Megabyte) capacity
• AT25DF128A-S3H-T: 128 Megabit (16 Megabyte) capacity
• AT25DF256-S3H-T: 256 Megabit (32 Megabyte) capacity
• AT25DF1024A-S3H-T: 1024 Megabit (128 Megabyte) capacity

These alternative models offer different capacities to suit varying storage requirements.

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