W25Q128FVFIF

Basic Information Overview

• Category: Flash Memory
• Use: Data storage and retrieval in electronic devices
• Characteristics:
  • High capacity
  • Fast read and write speeds
  • Non-volatile memory
  • Low power consumption
• Package: SOP (Small Outline Package)
• Essence: Serial NOR Flash Memory
• Packaging/Quantity: Available in various packaging options, typically sold in reels or trays

Specifications

• Capacity: 128 Megabits (16 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)
  • Page Program: 0.75ms (typical)
• Data Retention: Up to 20 years

Detailed Pin Configuration

The W25Q128FVFIF 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. Hold (/HOLD) 6. Write Enable (/WE) 7. Ground (GND) 8. Power Supply (VCC)

Functional Features

• High-speed data transfer using SPI interface
• Flexible erase and program operations at sector or page level
• Efficient power management with low standby current
• Protection mechanisms against accidental writes and erases
• Support for software and hardware write protection

Advantages

• Large storage capacity suitable for a wide range of applications
• Fast read and write speeds enhance overall system performance
• Low power consumption extends battery life in portable devices
• Reliable data retention ensures long-term storage integrity
• Compact package size allows for easy integration into various designs

Disadvantages

• Limited write endurance compared to other non-volatile memory technologies
• Relatively higher cost per unit of storage compared to some alternatives
• Requires additional circuitry for voltage level shifting in certain applications

Working Principles

The W25Q128FVFIF operates based on the Serial Peripheral Interface (SPI) protocol. It uses a combination of clock and data signals to communicate with the host device. The flash memory is organized into sectors and pages, allowing for efficient erase and program operations. Data is stored in a non-volatile manner, meaning it retains information even when power is removed.

Detailed Application Field Plans

The W25Q128FVFIF is widely used in various electronic devices that require reliable and high-capacity data storage. Some common application fields include: - Consumer electronics (e.g., smartphones, tablets, digital cameras) - Automotive systems (e.g., infotainment, instrument clusters) - Industrial equipment (e.g., control systems, data loggers) - Networking devices (e.g., routers, switches) - Medical devices (e.g., patient monitoring, diagnostic equipment)

Detailed and Complete Alternative Models

• W25Q64FV: 64 Megabit (8 Megabyte) capacity
• W25Q256FV: 256 Megabit (32 Megabyte) capacity
• W25Q512FV: 512 Megabit (64 Megabyte) capacity
• W25Q16JV: 16 Megabit (2 Megabyte) capacity

(Note: This list is not exhaustive and there are several other alternative models available in the market.)

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