W25Q128FVEIQ

Product Overview

Category

W25Q128FVEIQ belongs to the category of Serial Flash Memory.

Use

It is primarily used for storing data in electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• High storage capacity
• Fast read and write speeds
• Low power consumption
• Wide operating voltage range
• Compact package size

Package

The W25Q128FVEIQ is available in a small form factor package, typically measuring 8mm x 6mm. It is designed to be surface-mounted on printed circuit boards (PCBs).

Essence

The essence of W25Q128FVEIQ lies in its ability to provide non-volatile storage for electronic devices, allowing them to retain data even when powered off.

Packaging/Quantity

The product is usually packaged in reels or trays, with each reel containing a specific quantity of chips. The exact quantity may vary depending on the manufacturer's specifications.

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 Transfer Rate: Up to 104 MHz
• Erase/Program Cycle Endurance: 100,000 cycles

Detailed Pin Configuration

The W25Q128FVEIQ has a total of 8 pins, each serving a specific purpose:

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): Receives data from the external device.
4. Serial Data Output (SO): Transmits data to the external device.
5. Hold (/HOLD): Pauses ongoing operations without resetting the chip.
6. Write Protect (/WP): Enables or disables write protection for the memory.
7. Ground (GND): Connected to the ground reference of the system.
8. Power Supply (VCC): Provides the required power to the chip.

Functional Features

• High-speed read and write operations
• Sector erase and byte/page program functions
• Software and hardware write protection options
• Deep power-down mode for ultra-low power consumption
• Multiple block protection levels for data security
• Fast boot capability for quick system startup

Advantages and Disadvantages

Advantages

• Large storage capacity for data-intensive applications
• Fast data transfer rates for efficient operation
• Low power consumption, ideal for battery-powered devices
• Compact package size for space-constrained designs
• Versatile interface compatible with various microcontrollers

Disadvantages

• Limited endurance compared to other non-volatile memory technologies
• Relatively higher cost per unit compared to traditional storage solutions
• Requires additional circuitry for proper integration into a system

Working Principles

The W25Q128FVEIQ utilizes the Serial Peripheral Interface (SPI) protocol to communicate with the host device. It stores data in a series of memory cells organized into sectors and blocks. The device can be accessed by sending specific commands through the SPI interface, allowing for read, write, erase, and other operations.

Detailed Application Field Plans

The W25Q128FVEIQ is widely used in various applications, including but not limited to:

1. Embedded systems: Used for firmware storage in microcontrollers and IoT devices.
2. Computer peripherals: Employed as a storage solution in printers, scanners, and networking equipment.
3. Consumer electronics: Integrated into smartphones, tablets, digital cameras, and gaming consoles for data storage.
4. Automotive systems: Utilized in infotainment systems, instrument clusters, and advanced driver-assistance systems (ADAS).
5. Industrial equipment: Used for data logging, configuration storage, and firmware updates in industrial control systems.

Detailed and Complete Alternative Models

1. W25Q64FVSSIG: 64 Megabit Serial Flash Memory with similar features but lower storage capacity.
2. W25Q256JVFIQ: 256 Megabit Serial Flash Memory with higher storage capacity and faster data transfer rates.
3. MX25L12835FM2I-10G: 128 Megabit Serial Flash Memory from a different manufacturer with comparable specifications.

These alternative models offer similar functionality and can be considered as alternatives to the W25Q128FVEIQ based on specific requirements and compatibility.

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