GD25Q256DFIGR

Product Overview

• Category: Flash Memory
• Use: Data storage and retrieval in electronic devices
• Characteristics: High capacity, fast read/write speeds, low power consumption
• Package: DFN8 208-mil
• Essence: Non-volatile memory for storing data in electronic devices
• Packaging/Quantity: Tape and reel, 2500 pieces per reel

Specifications

• Memory Size: 256Mb (32MB)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature: -40°C to +85°C
• Erase/Program Time: 4ms/1.5ms (typical)
• Data Retention: 20 years (typical)

Detailed Pin Configuration

The GD25Q256DFIGR has a total of 8 pins arranged as follows:

1. CS (Chip Select): Used to enable or disable the device
2. SO (Serial Output): Outputs data serially from the device
3. WP (Write Protect): Controls write protection of the device
4. GND (Ground): Ground reference for the device
5. SI (Serial Input): Inputs data serially into the device
6. SCK (Serial Clock): Provides clock signal for data transfer
7. HOLD: Suspends the current operation without deselecting the device
8. VCC (Power Supply): Supplies power to the device

Functional Features

• High-speed SPI interface for fast data transfer
• Quad I/O support for increased performance
• Deep Power-down mode for ultra-low power consumption
• Uniform 4KB sectors with erase and program operations
• Advanced security features like hardware write protection

Advantages and Disadvantages

Advantages: - Large storage capacity - Fast read/write speeds - Low power consumption - Secure data protection features

Disadvantages: - Relatively high cost compared to other memory options - Limited compatibility with certain devices

Working Principles

The GD25Q256DFIGR is based on the Serial Peripheral Interface (SPI) protocol. It uses a combination of clock and data signals to transfer information between the device and the host controller. The device operates by storing data in non-volatile memory cells, which retain their state even when power is removed. This allows for reliable and persistent storage of data in electronic devices.

Detailed Application Field Plans

The GD25Q256DFIGR is widely used in various electronic devices that require non-volatile memory for data storage and retrieval. Some common application fields include:

1. Consumer Electronics: Used in smartphones, tablets, digital cameras, and gaming consoles for storing firmware, operating systems, and user data.
2. Automotive: Integrated into automotive infotainment systems, instrument clusters, and navigation systems for data storage and software updates.
3. Industrial Automation: Utilized in industrial control systems, PLCs, and robotics for storing configuration data and program code.
4. IoT Devices: Incorporated into smart home devices, wearables, and connected appliances for data storage and firmware updates.

Detailed and Complete Alternative Models

1. GD25Q128CFIGR: 128Mb (16MB) flash memory with similar specifications and features.
2. GD25Q64CFIGR: 64Mb (8MB) flash memory with similar specifications and features.
3. GD25Q32CFIGR: 32Mb (4MB) flash memory with similar specifications and features.

These alternative models provide different memory capacities to suit various application requirements while maintaining similar functionality and characteristics.

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