W25Q128JVFIQ TR

Product Overview

Category

The W25Q128JVFIQ TR belongs to the category of Serial Flash Memory.

Use

This product is primarily used for storing and retrieving data in electronic devices such as computers, smartphones, tablets, and other consumer electronics.

Characteristics

• High storage capacity: The W25Q128JVFIQ TR offers a storage capacity of 128 megabits (16 megabytes), allowing for ample space to store various types of data.
• Serial interface: It utilizes a serial peripheral interface (SPI) for communication with the host device, enabling fast and efficient data transfer.
• Low power consumption: This flash memory chip is designed to consume minimal power, making it suitable for battery-powered devices.
• High-speed performance: With its high-speed read and write operations, the W25Q128JVFIQ TR ensures quick access to stored data.
• Reliable and durable: It features robust data retention capabilities and endurance, ensuring the integrity and longevity of stored information.

Package and Quantity

The W25Q128JVFIQ TR is available in a compact surface-mount package. It is typically sold in reels containing a specific quantity of chips, commonly 2500 units per reel.

Specifications

• Storage Capacity: 128 megabits (16 megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 20 years
• Endurance: Up to 100,000 program/erase cycles

Pin Configuration

The W25Q128JVFIQ TR has a total of 8 pins, each serving a specific function:

1. Chip Select (/CS): Used to enable or disable the chip for communication.
2. Serial Clock (CLK): Provides the clock signal for data transfer.
3. Serial Data Input (DI): Receives data from the host device.
4. Serial Data Output (DO): Transmits data to the host device.
5. Write Protect (/WP): Enables or disables write protection for the chip.
6. Hold (/HOLD): Pauses ongoing operations without resetting 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 W25Q128JVFIQ TR offers high-speed read and write operations, allowing for efficient data access.
• Sector Erase and Block Erase: It supports sector erase and block erase functions, enabling flexible data management.
• Security Features: This flash memory chip provides various security features such as hardware and software protection mechanisms to safeguard stored data.
• Software Reset: It allows for a software-initiated reset, facilitating system recovery and initialization.
• Deep Power-down Mode: The chip can enter a low-power deep power-down mode when not in use, further reducing power consumption.

Advantages and Disadvantages

Advantages

• High storage capacity for ample data storage.
• Fast and efficient data transfer using the SPI interface.
• Low power consumption, suitable for battery-powered devices.
• Reliable and durable with robust data retention capabilities.
• Supports security features for data protection.

Disadvantages

• Limited storage capacity compared to higher-end flash memory chips.
• Requires an SPI interface for communication, which may not be compatible with all devices.

Working Principles

The W25Q128JVFIQ TR operates based on the principles of flash memory technology. It utilizes floating-gate transistors to store and retrieve data. When data is written, charges are trapped in the floating gate, altering the transistor's conductive properties. These charges can be erased by applying a high voltage, allowing the transistor to return to its original state.

Application Field Plans

The W25Q128JVFIQ TR is widely used in various electronic devices and applications, including but not limited to: - Computers and laptops for storing BIOS firmware and other system data. - Smartphones and tablets for storing operating systems, applications, and user data. - Automotive electronics for storing firmware and configuration data. - Industrial control systems for storing program code and data. - Consumer electronics such as digital cameras, gaming consoles, and audio players.

Alternative Models

For those seeking alternative flash memory chips with similar specifications and features, the following models can be considered: - W25Q64JVFIQ TR: A lower capacity variant with 64 megabits (8 megabytes) of storage. - W25Q256JVFIQ TR: A higher capacity variant with 256 megabits (32 megabytes) of storage. - MX25L12835FMI-10G: A comparable flash memory chip from another manufacturer.

These alternative models provide options based on different storage capacities and specific requirements.