W25Q256FVEJQ

Product Overview

• Category: Flash Memory
• Use: Data storage and retrieval in electronic devices
• Characteristics:
  • High capacity
  • Fast read/write speeds
  • Low power consumption
  • Small form factor
• Package: SOP-16
• Essence: Non-volatile memory for storing digital information
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Memory Capacity: 256 Megabits (32 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

Detailed Pin Configuration

The W25Q256FVEJQ has a total of 16 pins arranged as follows:

1. Chip Select (/CS)
2. Serial Clock (CLK)
3. Serial Data Input (DI)
4. Serial Data Output (DO)
5. Write Protect (/WP)
6. Hold (/HOLD)
7. Ground (GND)
8. VCC Power Supply
9. NC (No Connection)
10. NC
11. NC
12. NC
13. NC
14. NC
15. NC
16. NC

Functional Features

• High-speed data transfer with SPI interface
• Sector erase and byte/page program operations
• Software and hardware write protection options
• Deep power-down mode for low power consumption
• Efficient block management algorithms for enhanced performance

Advantages and Disadvantages

Advantages: - Large storage capacity - Fast read/write speeds - Low power consumption - Compact package size - Long data retention period

Disadvantages: - Limited erase/program cycles - Relatively high cost compared to other memory options

Working Principles

The W25Q256FVEJQ is based on the Serial Peripheral Interface (SPI) protocol. It utilizes a combination of floating gate and tunnel oxide technology to store digital information. The memory cells are organized into sectors, which can be individually erased or programmed. The SPI interface allows for efficient data transfer between the flash memory and the host device.

Detailed Application Field Plans

The W25Q256FVEJQ is widely used in various electronic devices that require non-volatile storage, such as:

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

Detailed and Complete Alternative Models

1. W25Q128FVSG - 128 Megabit Flash Memory, SOP-16 package
2. W25Q64FVSSIG - 64 Megabit Flash Memory, SOIC-8 package
3. W25Q32JVSIQ - 32 Megabit Flash Memory, WSON-8 package
4. W25Q16DWSSIG - 16 Megabit Flash Memory, SOIC-8 package
5. W25Q80DVSSIG - 8 Megabit Flash Memory, SOIC-8 package

These alternative models offer different capacities and package options to suit various application requirements.

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