W25Q64FWSFIG TR

Product Overview

• Category: Flash Memory
• Use: Data storage and retrieval in electronic devices
• Characteristics:
  • Non-volatile memory
  • High-speed data transfer
  • Low power consumption
  • Compact package size
• Package: SOP-8 (Small Outline Package)
• Essence: Serial NOR Flash Memory
• Packaging/Quantity: Tape and Reel, 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 Range: -40°C to +85°C
• Erase/Program Time:
  • Sector Erase: 150ms (typical)
  • Chip Erase: 1.5s (typical)
  • Page Program: 0.75ms (typical)
• Data Retention: 20 years (typical)

Detailed Pin Configuration

The W25Q64FWSFIG TR has a total of 8 pins arranged as follows:

┌───┬───┐ │ 1 │ 2 │ ┌──┴───┴───┴──┐ │ │ │ │ │ │ │ │ │ │ │ │ └─────────────┘ │ 7 │ 8 │ └───┴───┘

Pin Description:

1. Chip Select (/CS): Used to enable or disable the device for communication.
2. Serial Clock (SCLK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Receives data from the microcontroller.
4. Serial Data Output (SO): Transmits data to the microcontroller.
5. Write Protect (/WP): Used to protect the memory from accidental writes.
6. Hold (/HOLD): Pauses ongoing operations without resetting the device.
7. Ground (GND): Reference ground for the device.
8. Power Supply (VCC): Operating voltage supply.

Functional Features

• High-speed read and write operations
• Flexible erase options (sector or chip erase)
• Sector protection mechanism with hardware lock
• Software and hardware write protection
• Deep power-down mode for low-power applications
• Continuous read mode for efficient data transfer
• Efficient programming algorithms for fast data storage

Advantages and Disadvantages

Advantages: - High-speed data transfer - Low power consumption - Compact package size - Long data retention period - Flexible erase options

Disadvantages: - Limited storage capacity compared to other flash memory types - Relatively higher cost per unit of storage

Working Principles

The W25Q64FWSFIG TR is based on Serial NOR Flash technology. It utilizes a Serial Peripheral Interface (SPI) for communication with the microcontroller. The device stores data in non-volatile memory cells, which retain information even when power is removed. The SPI interface allows for high-speed data transfer between the device and the microcontroller, enabling efficient data storage and retrieval.

Detailed Application Field Plans

The W25Q64FWSFIG TR is widely used in various electronic devices that require non-volatile data storage. Some common application fields include:

1. Consumer Electronics: Used in smartphones, tablets, digital cameras, and portable media players for storing firmware, operating systems, and user data.
2. Automotive Systems: Employed in automotive infotainment systems, instrument clusters, and navigation systems for storing maps, configuration data, and software updates.
3. Industrial Control Systems: Utilized in programmable logic controllers (PLCs), industrial automation equipment, and data loggers for storing program code, configuration settings, and logged data.
4. Networking Devices: Integrated into routers, switches, and network storage devices for firmware storage, configuration backup, and software updates.

Detailed and Complete Alternative Models

1. W25Q32FWSFIG TR: 32 Megabit (4 Megabyte) capacity variant of the same series.
2. W25Q128FWSFIG TR: 128 Megabit (16 Megabyte) capacity variant of the same series.
3. MX25L6433FZNI-10G: 64 Megabit (8 Megabyte) Serial NOR Flash memory from another manufacturer.

Note: This is not an exhaustive list, and there are several other alternative models available in the market.

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