W25Q128JVFIQ

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 (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 W25Q128JVFIQ has a total of 8 pins:

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 W25Q128JVFIQ offers fast read and write speeds, allowing for efficient data transfer.
• Low Power Consumption: With its low power requirements, the flash memory minimizes energy usage in electronic devices.
• Reliable Data Storage: The non-volatile nature of the memory ensures that stored data is retained even when power is disconnected.
• Flexible Erase Options: The chip supports both sector and block erase operations, providing flexibility in managing stored data.

Advantages and Disadvantages

Advantages: - High capacity for storing large amounts of data - Fast read and write speeds - Low power consumption - Reliable data retention

Disadvantages: - Limited erase options compared to some other flash memory types - Requires an external microcontroller or host device for operation

Working Principles

The W25Q128JVFIQ utilizes the Serial Peripheral Interface (SPI) to communicate with a microcontroller or host device. It stores digital information in non-volatile memory cells, which retain data even when power is disconnected. The memory can be read from or written to using specific commands sent through the SPI interface.

Detailed Application Field Plans

The W25Q128JVFIQ is commonly used in various electronic devices that require reliable data storage and retrieval. Some application fields include:

1. Consumer Electronics: Used in smartphones, tablets, digital cameras, and portable media players for storing user data, firmware, and software updates.
2. Automotive: Employed in car infotainment systems, navigation units, and instrument clusters for storing maps, multimedia content, and system configurations.
3. Industrial Control: Utilized in industrial automation equipment, PLCs (Programmable Logic Controllers), and HMI (Human-Machine Interface) devices for storing program code, configuration data, and log files.

Detailed and Complete Alternative Models

1. W25Q64JVFIQ: A lower capacity variant with 64 Megabits (8 Megabytes) of memory.
2. W25Q256JVFIQ: A higher capacity variant with 256 Megabits (32 Megabytes) of memory.
3. W25Q512JVFIQ: An even higher capacity variant with 512 Megabits (64 Megabytes) of memory.

These alternative models offer different memory capacities to suit various application requirements.

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