W25Q128FVEJQ TR

Product Overview

• Category: Flash Memory
• Use: Data storage and retrieval in electronic devices
• Characteristics:
  • Non-volatile memory
  • High capacity
  • Fast read and write speeds
  • Low power consumption
• Package: SOP8 (Small Outline Package)
• Essence: Reliable and efficient data storage solution
• Packaging/Quantity: Available in reels, with 2500 units per reel

Specifications

• Memory Capacity: 128 Megabits (16 Megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Erase/Program Time:
  • Sector Erase: 150ms (typical)
  • Block Erase: 400ms (typical)
  • Page Program: 0.75ms (typical)

Detailed Pin Configuration

The W25Q128FVEJQ TR has a total of 8 pins arranged as follows:

1. Chip Select (/CS) - Active low input used to enable or disable the device
2. Serial Clock (CLK) - Input for synchronizing data transfer
3. Serial Data Input (DI) - Input for shifting data into the device
4. Serial Data Output (DO) - Output for shifting data out of the device
5. Write Protect (/WP) - Input for write protection
6. Hold (HOLD) - Input for suspending serial communication
7. Ground (GND) - Reference ground
8. Power Supply (VCC) - Power supply voltage input

Functional Features

• High-speed data transfer: The SPI interface allows for fast read and write operations.
• Flexible erase options: Supports sector and block erase operations for efficient data management.
• Write protection: The write protect pin can be used to prevent accidental data modification.
• Low power consumption: Designed to minimize power usage, making it suitable for battery-powered devices.
• Reliable operation: Built-in error correction and detection mechanisms ensure data integrity.

Advantages and Disadvantages

Advantages: - Large storage capacity - Fast read and write speeds - Low power consumption - Compact package size - Reliable data retention

Disadvantages: - Limited endurance (number of erase/write cycles) - Higher cost compared to some other memory technologies

Working Principles

The W25Q128FVEJQ TR utilizes the Serial Peripheral Interface (SPI) to communicate with the host device. It stores data in non-volatile memory cells, which retain information even when power is removed. The SPI interface allows for high-speed data transfer between the device and the host, enabling efficient data storage and retrieval.

Detailed Application Field Plans

The W25Q128FVEJQ TR is widely used in various electronic devices that require reliable and high-capacity data storage. Some common 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 Systems: Integrated into infotainment systems, navigation units, and instrument clusters for data storage and firmware updates.
3. Industrial Control: Utilized in programmable logic controllers (PLCs), human-machine interfaces (HMIs), and data loggers for storing configuration data and event logs.
4. Medical Devices: Incorporated into medical equipment such as patient monitors, ultrasound machines, and diagnostic devices for data storage and software updates.

Detailed and Complete Alternative Models

1. W25Q64FVSSIG - 64 Megabit (8 Megabyte) capacity, SOP8 package, SPI interface.
2. W25Q256JVQIQ - 256 Megabit (32 Megabyte) capacity, WSON8 package, SPI interface.
3. MX25L12835FM2I-10G - 128 Megabit (16 Megabyte) capacity, SOP8 package, SPI interface.

These alternative models offer similar functionality and can be considered as substitutes for the W25Q128FVEJQ TR in various applications.

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