W25Q128FVAIG TR

Product Overview

Category

The W25Q128FVAIG TR belongs to the category of flash memory chips.

Use

This product is primarily used for data storage in electronic devices such as computers, smartphones, tablets, and other digital devices.

Characteristics

• High storage capacity: The W25Q128FVAIG TR offers a large storage capacity of 128 megabits (16 megabytes).
• Fast data transfer rate: It supports high-speed data transfer, allowing for quick read and write operations.
• Low power consumption: This flash memory chip is designed to consume minimal power, making it suitable for battery-powered devices.
• Compact package: The W25Q128FVAIG TR comes in a small form factor, enabling its integration into various electronic devices.
• Durable and reliable: It has a robust design that ensures data integrity and long-term reliability.
• RoHS compliant: This product adheres to the Restriction of Hazardous Substances directive, ensuring environmental safety.

Package and Quantity

The W25Q128FVAIG TR is available in a surface-mount package. It is typically sold in reels containing a specific quantity, usually around 2500 units per reel.

Specifications

• Memory Capacity: 128 megabits (16 megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Data Transfer Rate: Up to 104 MHz
• Erase/Program Operations: 100,000 cycles (minimum)
• Data Retention: 20 years (minimum)

Pin Configuration

The W25Q128FVAIG TR has a total of 8 pins, which are assigned specific functions:

1. Chip Select (/CS): Used to enable or disable the chip for communication.
2. Serial Clock (SCLK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Used to input data into the chip.
4. Serial Data Output (SO): Outputs data from the chip.
5. Hold (/HOLD): Allows the device to be temporarily suspended during a data transfer.
6. Write Protect (/WP): Enables or disables write protection for the chip.
7. Ground (GND): Connected to the ground reference of the system.
8. Power Supply (VCC): Supplies power to the chip.

Functional Features

• Fast Read and Write Operations: The W25Q128FVAIG TR offers high-speed read and write operations, allowing for efficient data access.
• Sector Erase and Block Erase: It supports sector and block erase operations, enabling selective erasure of data.
• Protection Mechanisms: This flash memory chip provides hardware-based protection mechanisms such as write protection and hold functions.
• Flexible Architecture: The W25Q128FVAIG TR allows for easy integration into various electronic systems due to its compact size and compatibility with the SPI interface.

Advantages and Disadvantages

Advantages

• High storage capacity
• Fast data transfer rate
• Low power consumption
• Compact package
• Durable and reliable design
• RoHS compliant

Disadvantages

• Limited to devices supporting the SPI interface
• Relatively small compared to higher-capacity flash memory chips

Working Principles

The W25Q128FVAIG TR operates based on the principles of flash memory technology. It utilizes floating-gate transistors to store and retrieve digital data. When writing data, an electrical charge is applied to the floating gate, altering its conductivity and storing the desired information. During read operations, the stored charge is measured, allowing the retrieval of the stored data.

Application Field Plans

The W25Q128FVAIG TR finds applications in various electronic devices, including but not limited to: - Computers and laptops - Smartphones and tablets - Digital cameras - Gaming consoles - Automotive electronics - Industrial control systems

Alternative Models

1. W25Q64FVAIG TR: A lower-capacity variant with 64 megabits (8 megabytes) of storage.
2. W25Q256FVAIG TR: A higher-capacity variant with 256 megabits (32 megabytes) of storage.
3. W25Q512FVAIG TR: An even higher-capacity variant with 512 megabits (64 megabytes) of storage.

These alternative models offer different storage capacities to cater to varying application requirements.

In conclusion, the W25Q128FVAIG TR is a flash memory chip that provides high storage capacity, fast data transfer rate, and low power consumption. Its compact package and durability make it suitable for a wide range of electronic devices. While it has limitations regarding interface compatibility, it offers reliable performance and protection mechanisms. With its working principles based on flash memory technology, this chip finds applications in diverse fields. Additionally,