W25Q256FVEIF TR

Product Overview

• Category: Flash Memory
• Use: Data storage and retrieval in electronic devices
• Characteristics:
  • Non-volatile memory
  • High capacity
  • Fast read and write speeds
  • Low power consumption
• Package: SOP (Small Outline Package)
• Essence: Provides reliable and efficient data storage solution for various electronic devices
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel

Specifications

• Capacity: 256 Megabits (32 Megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Voltage Range: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Erase/Program Time:
  • Sector Erase: 150ms (typical)
  • Block Erase: 400ms (typical)
  • Page Program: 0.75ms (typical)

Detailed Pin Configuration

The W25Q256FVEIF TR has a total of 8 pins, which are as follows:

1. Chip Select (/CS): Used to enable or disable the device for communication.
2. Serial Clock (CLK): Provides the clock signal for synchronous communication.
3. Serial Data Input (DI): Used to input data to the device during write operations.
4. Serial Data Output (DO): Outputs data from the device during read operations.
5. Hold (/HOLD): Allows the device to be put on hold during a transaction.
6. Write Protect (/WP): Enables or disables write protection for the device.
7. Ground (GND): Connected to the ground reference of the system.
8. Power Supply (VCC): Provides the power supply voltage to the device.

Functional Features

• High-speed data transfer: The W25Q256FVEIF TR offers fast read and write speeds, allowing for efficient data storage and retrieval.
• Reliable data retention: With its non-volatile memory technology, the device ensures data integrity even during power loss or system shutdown.
• Low power consumption: The flash memory operates at low power levels, making it suitable for battery-powered devices.
• Flexible interface: The SPI interface allows for easy integration with various microcontrollers and other electronic components.

Advantages and Disadvantages

Advantages: - High capacity for storing large amounts of data - Fast read and write speeds for quick data access - Low power consumption for energy-efficient operation - Compact package size for space-constrained designs

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

Working Principles

The W25Q256FVEIF TR utilizes the Serial Peripheral Interface (SPI) to communicate with the host device. It stores data in a grid of memory cells, which can be electrically programmed and erased. When data needs to be read, the device retrieves the stored information by sending the appropriate commands over the SPI interface.

Detailed Application Field Plans

The W25Q256FVEIF TR is widely used in various electronic devices that require reliable and high-capacity data storage. Some common application fields include:

1. Consumer Electronics: Used in smartphones, tablets, digital cameras, and portable media players for storing user data, firmware, and multimedia content.
2. Automotive Systems: Integrated into car infotainment systems, navigation units, and instrument clusters for data storage and software updates.
3. Industrial Control Systems: Employed in industrial automation equipment, PLCs (Programmable Logic Controllers), and HMI (Human-Machine Interface) devices for data logging and configuration storage.
4. Medical Devices: Utilized in medical equipment such as patient monitors, ultrasound machines, and diagnostic devices for storing patient data and system firmware.

Detailed and Complete Alternative Models

1. W25Q128FVIF TR: A lower capacity variant with 128 Megabits (16 Megabytes) of storage.
2. W25Q512JVFIQ TR: A higher capacity variant with 512 Megabits (64 Megabytes) of storage.
3. W25Q256JVEIQ TR: An alternative model with similar specifications but a different package type (WSON).

(Note: The above alternative models are just a few examples and not an exhaustive list.)

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