W25Q128FVSIG

Product Overview

• Category: Flash Memory
• Use: Data storage and retrieval in electronic devices
• Characteristics: High capacity, fast read/write speeds, low power consumption
• Package: SOP-8 (Small Outline Package)
• Essence: Non-volatile memory for storing digital information
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Memory Capacity: 128 Megabits (16 Megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Read Speed: Up to 104 MHz
• Write Speed: Up to 80 MHz
• Erase Time: Sector erase time of 150 ms, block erase time of 400 ms
• Data Retention: Up to 20 years
• Operating Temperature: -40°C to +85°C

Pin Configuration

The W25Q128FVSIG has a total of 8 pins arranged as follows:

1. Chip Select (/CS)
2. Serial Clock (SCLK)
3. Serial Data Input (SI)
4. Serial Data Output (SO)
5. Write Protect (/WP)
6. Hold (/HOLD)
7. Ground (GND)
8. Power Supply (VCC)

Functional Features

• High-Speed Performance: The W25Q128FVSIG offers fast read and write speeds, allowing for efficient data transfer.
• Flexible Storage Options: With its large capacity, it can store a significant amount of data, making it suitable for various applications.
• Low Power Consumption: The flash memory operates at low power levels, conserving energy in electronic devices.
• Reliable Data Retention: The memory retains stored data for up to 20 years, ensuring long-term reliability.

Advantages and Disadvantages

Advantages: - High storage capacity - Fast read/write speeds - Low power consumption - Long data retention period

Disadvantages: - Limited endurance (number of erase/write cycles) - Relatively higher cost compared to other memory options

Working Principles

The W25Q128FVSIG utilizes the Serial Peripheral Interface (SPI) for communication with the host device. It stores data in non-volatile memory cells that can be electrically erased and reprogrammed. The SPI interface allows for efficient data transfer between the flash memory and the host device.

Detailed Application Field Plans

The W25Q128FVSIG is widely used in various electronic devices that require non-volatile storage, such as:

1. Consumer Electronics: Used in smartphones, tablets, digital cameras, and portable media players for storing user data, firmware, and software updates.
2. Automotive: Integrated into automotive systems for storing critical data, including infotainment systems, instrument clusters, and navigation systems.
3. Industrial Control Systems: Utilized in industrial automation equipment, PLCs (Programmable Logic Controllers), and robotics for data logging and configuration storage.
4. Networking Equipment: Incorporated into routers, switches, and network storage devices for firmware storage and system configuration.

Detailed and Complete Alternative Models

1. W25Q64FV: 64 Megabit (8 Megabyte) flash memory with similar specifications and features.
2. W25Q256FV: 256 Megabit (32 Megabyte) flash memory with higher capacity and similar performance characteristics.
3. MX25L12835F: 128 Megabit flash memory from Macronix, offering comparable specifications and functionality.

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