W25Q64FVSSJF

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
• Package: SOP-8 (Small Outline Package)
• Essence: Serial NOR Flash Memory
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Capacity: 64 Megabits (8 Megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Voltage Range: 2.7V to 3.6V
• Operating Temperature: -40°C to +85°C
• Erase/Program Time:
  • Sector Erase: 150ms (typical)
  • Chip Erase: 1.5s (typical)
  • Page Program: 0.75ms (typical)

Detailed Pin Configuration

The W25Q64FVSSJF has a total of 8 pins, which are as follows:

1. CS (Chip Select): Used to enable/disable the device for communication.
2. DO (Data Output): Outputs data from the device during read operations.
3. WP (Write Protect): When held low, prevents write operations on the memory.
4. GND (Ground): Connected to the ground reference of the system.
5. DI (Data Input): Inputs data to the device during write operations.
6. CLK (Clock): Provides the clock signal for synchronous communication.
7. HOLD: Allows the device to be put on hold during a multi-byte sequence.
8. VCC (Power Supply): Connected to the positive supply voltage.

Functional Features

• High-Speed Read: The W25Q64FVSSJF supports fast read operations, allowing for quick access to stored data.
• Flexible Erase/Program: The flash memory can be erased and programmed at the sector or chip level, providing flexibility in data management.
• Low Power Consumption: The device operates with low power consumption, making it suitable for battery-powered devices.
• Wide Voltage Range: The W25Q64FVSSJF can operate within a voltage range of 2.7V to 3.6V, accommodating various system requirements.

Advantages and Disadvantages

Advantages: - High-speed data transfer - Compact package size - Flexible erase/program options - Low power consumption

Disadvantages: - Limited storage capacity compared to higher-capacity flash memory devices - Relatively slower erase and program times compared to some other flash memory types

Working Principles

The W25Q64FVSSJF is based on Serial NOR Flash technology. It utilizes a serial peripheral interface (SPI) for communication with the host device. The memory cells are organized into sectors, which can be individually erased or programmed. Data is stored in the form of electrical charges within these memory cells. During read operations, the stored charges are sensed and converted back into digital data.

Detailed Application Field Plans

The W25Q64FVSSJF 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: Utilized in car infotainment systems, instrument clusters, and navigation systems for data storage and retrieval.
3. Industrial Automation: Integrated into industrial control systems, PLCs (Programmable Logic Controllers), and HMI (Human-Machine Interface) devices for storing configuration data and program code.
4. IoT (Internet of Things): Incorporated into IoT devices such as smart home appliances, wearables, and sensor nodes for data logging and firmware storage.

Detailed and Complete Alternative Models

1. W25Q32FVSSIG: 32 Megabit (4 Megabyte) capacity, same package and interface as W25Q64FVSSJF.
2. W25Q128JVSIQ: 128 Megabit (16 Megabyte) capacity, larger package size (SOIC-16), same interface as W25Q64FVSSJF.
3. W25Q256FVFIG: 256 Megabit (32 Megabyte) capacity, larger package size (WSON-8), same interface as W25Q64FVSSJF.

These alternative models offer different storage capacities and package options while maintaining compatibility with the SPI interface.

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