W25Q128BVEIG

Product Overview

Category

W25Q128BVEIG belongs to the category of Serial Flash Memory.

Use

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

Characteristics

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

Package

The W25Q128BVEIG comes in a small form factor package, typically measuring 8mm x 6mm. It is available in surface mount technology (SMT) packages, making it suitable for automated assembly processes.

Essence

The essence of W25Q128BVEIG lies in its ability to provide reliable and high-performance non-volatile memory storage for various electronic devices.

Packaging/Quantity

The product is usually packaged in reels or trays, with each reel containing a specific quantity of chips. The exact packaging and 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
• Maximum Clock Frequency: 104 MHz
• Erase/Program Operations: 100,000 cycles (minimum)
• Data Retention: Up to 20 years
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The W25Q128BVEIG has a total of 8 pins:

1. Chip Select (/CS): Used to enable or disable the chip for communication.
2. Serial Clock (CLK): Provides the clock signal for synchronous communication.
3. Serial Data Input (DI): Transfers data from the microcontroller to the flash memory.
4. Serial Data Output (DO): Transfers data from the flash memory to the microcontroller.
5. Write Protect (/WP): Used to protect the memory from accidental writes.
6. Hold (HOLD): Pauses ongoing operations without resetting the device.
7. Ground (GND): Connected to the ground reference of the system.
8. Power Supply (VCC): Provides the power required for the operation of the chip.

Functional Features

• High-speed read and write operations
• Sector erase and byte/page program functionality
• Software and hardware write protection options
• Continuous read mode for efficient data transfer
• Deep power-down mode for ultra-low power consumption
• Erase/Program Suspend and Resume functions for flexibility in operations

Advantages and Disadvantages

Advantages

• Large storage capacity for data-intensive applications
• Fast read and write speeds enhance overall system performance
• Low power consumption prolongs battery life in portable devices
• Compact package size allows for space-efficient designs
• Wide operating voltage range ensures compatibility with various systems

Disadvantages

• Limited endurance due to a finite number of erase/program cycles
• Relatively higher cost compared to other non-volatile memory technologies
• Susceptible to data loss in case of power failure during write operations

Working Principles

The W25Q128BVEIG utilizes the Serial Peripheral Interface (SPI) protocol to communicate with the host microcontroller. It stores data in non-volatile memory cells, which retain information even when power is disconnected. The SPI interface enables high-speed data transfer between the microcontroller and the flash memory, allowing for efficient read and write operations.

Detailed Application Field Plans

The W25Q128BVEIG finds applications in various electronic devices, including but not limited to: - Computers and laptops for storing BIOS firmware and system configuration data - Smartphones and tablets for storing operating system files and user data - Automotive electronics for storing firmware and sensor data - Industrial control systems for storing configuration parameters and log data - Consumer electronics such as digital cameras, gaming consoles, and set-top boxes

Detailed and Complete Alternative Models

1. W25Q64FVSSIG: 64 Megabit (8 Megabyte) Serial Flash Memory with similar features and specifications.
2. MX25L12835FM2I-10G: 128 Megabit (16 Megabyte) Serial Flash Memory from another manufacturer with comparable performance.
3. S25FL128SAGMFI011: 128 Megabit (16 Megabyte) Serial Flash Memory with advanced security features.

These alternative models can be considered based on specific requirements and compatibility with the target system.

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