GD25LD20CEIGR

Product Overview

• Category: Flash Memory
• Use: Data storage and retrieval in electronic devices
• Characteristics: High capacity, fast read/write speeds, low power consumption
• Package: Integrated circuit (IC) package
• Essence: Non-volatile memory for long-term data storage
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on customer requirements

Specifications

• Memory Type: Serial NOR Flash
• Capacity: 2 Megabits (256 Kilobytes)
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 2.7V - 3.6V
• Read Speed: Up to 108 MHz
• Write Speed: Up to 54 MHz
• Operating Temperature: -40°C to +85°C
• Data Retention: Up to 20 years
• Endurance: 100,000 Program/Erase cycles

Detailed Pin Configuration

The GD25LD20CEIGR 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. Write Enable (W#/HOLD#/RESET#)
6. Ground (GND)
7. Power Supply (VCC)
8. Not Connected (NC)

Functional Features

• High-speed data transfer with SPI interface
• Low power consumption for energy-efficient operation
• Wide operating temperature range for versatile applications
• Reliable data retention for long-term storage
• Support for software and hardware write protection
• Flexible erase options (sector, block, or chip erase)

Advantages and Disadvantages

Advantages: - Fast read/write speeds enhance overall system performance - Low power consumption prolongs battery life in portable devices - Wide operating temperature range allows usage in various environments - Reliable data retention ensures data integrity over extended periods - Versatile erase options provide flexibility for different use cases

Disadvantages: - Limited capacity compared to higher-end flash memory products - Relatively lower endurance compared to some other flash memory types

Working Principles

The GD25LD20CEIGR 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 disconnected. The SPI interface enables high-speed data transfer between the host and the flash memory, allowing for efficient read and write operations.

Detailed Application Field Plans

The GD25LD20CEIGR is commonly used in various electronic devices that require non-volatile storage, such as:

1. Consumer Electronics: Smartphones, tablets, digital cameras
2. Automotive: Infotainment systems, instrument clusters
3. Industrial: Embedded systems, control units, IoT devices
4. Communication: Routers, modems, network switches

Detailed and Complete Alternative Models

1. GD25Q16CEIGR: 16 Megabits (2 Megabytes), SPI Flash Memory
2. GD25Q32CEIGR: 32 Megabits (4 Megabytes), SPI Flash Memory
3. GD25Q64CEIGR: 64 Megabits (8 Megabytes), SPI Flash Memory
4. GD25Q128CEIGR: 128 Megabits (16 Megabytes), SPI Flash Memory

These alternative models offer increased capacity while maintaining compatibility with the SPI interface.

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