GD25LQ20COIGR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Memory storage
• Characteristics: High capacity, low power consumption
• Package: COIGR (Chip-On-Board In Green Resin)
• Essence: Non-volatile memory chip
• Packaging/Quantity: Individual chip

Specifications

• Memory Capacity: 2 Megabits (256 Kilobytes)
• Interface Type: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature: -40°C to +85°C
• Data Retention: Up to 20 years
• Programming Time: Less than 5ms per byte
• Erase Time: Less than 10ms per sector

Detailed Pin Configuration

The GD25LQ20COIGR has a total of 8 pins:

1. VCC: Power supply voltage
2. GND: Ground reference
3. HOLD: Suspends ongoing operations
4. WP: Write protection control
5. SCK: Serial clock input
6. SI: Serial data input
7. SO: Serial data output
8. CS: Chip select input

Functional Features

• High-speed data transfer using SPI interface
• Low power consumption in both active and standby modes
• Sector-based erasing for efficient memory management
• Built-in hardware write protection mechanism
• Wide operating temperature range for various environments

Advantages

• Compact size and lightweight design
• Easy integration into existing circuitry
• Reliable and durable non-volatile memory
• Fast programming and erasing times
• Suitable for low-power applications

Disadvantages

• Limited memory capacity compared to other storage options
• Requires external microcontroller for data manipulation
• Relatively higher cost per unit compared to traditional memory solutions

Working Principles

The GD25LQ20COIGR is based on the Serial Peripheral Interface (SPI) protocol. It utilizes a combination of clock and data signals to transfer information between the chip and the microcontroller. The memory cells within the chip store data in a non-volatile manner, meaning the data remains intact even when power is disconnected.

Detailed Application Field Plans

The GD25LQ20COIGR is commonly used in various electronic devices that require non-volatile memory storage. Some potential application fields include:

1. Consumer Electronics: Smartphones, tablets, digital cameras
2. Automotive: Infotainment systems, instrument clusters
3. Industrial: Data loggers, control systems
4. Medical: Patient monitoring devices, diagnostic equipment
5. IoT (Internet of Things): Sensor nodes, wearable devices

Alternative Models

1. GD25Q20COIGR: Similar specifications with 4 Megabits capacity
2. GD25D20COIGR: Dual I/O interface for faster data transfer
3. GD25T20COIGR: Extended temperature range (-40°C to +105°C)

(Note: Please refer to the manufacturer's documentation for the most up-to-date alternative models.)

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