W25Q40CLSSIG TR

Product Overview

Category

The W25Q40CLSSIG TR belongs to the category of Serial Flash Memory.

Use

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

Characteristics

• Non-volatile memory: The W25Q40CLSSIG TR retains stored data even when power is removed.
• High storage capacity: This flash memory chip has a capacity of 4 megabits (512 kilobytes).
• Serial interface: It utilizes a serial peripheral interface (SPI) for communication with the host device.
• Fast read and write speeds: The W25Q40CLSSIG TR offers high-speed data transfer rates, enabling efficient data access and storage.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.
• Compact package: This chip is available in a small form factor package, allowing for space-efficient integration into various electronic devices.

Packaging/Quantity

The W25Q40CLSSIG TR is typically packaged in tape and reel format, which facilitates automated assembly processes. It is commonly available in quantities of 2500 units per reel.

Specifications

• Memory Capacity: 4 Megabits (512 Kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 20 years
• Erase/Program Cycles: 100,000 cycles

Detailed Pin Configuration

The W25Q40CLSSIG TR features an 8-pin package with the following pin configuration:

1. Chip Select (/CS)
2. Serial Clock (SCLK)
3. Serial Data Input (SI)
4. Serial Data Output (SO)
5. Write Enable (W#/ACC)
6. Hold (/HOLD)
7. VCC (Power Supply)
8. Ground (GND)

Functional Features

• High-speed read and write operations
• Sector erase and bulk erase functions
• Software and hardware write protection options
• Continuous read mode for efficient data streaming
• Fast program and erase times for quick data updates
• Flexible power-saving modes to optimize energy consumption

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for portable devices.
• High-speed data transfer enables efficient data access.
• Long data retention period ensures reliable storage of information.
• Versatile write protection options enhance data security.

Disadvantages

• Limited storage capacity compared to higher-capacity flash memory chips.
• Relatively lower endurance in terms of erase/program cycles compared to some other flash memory technologies.

Working Principles

The W25Q40CLSSIG TR utilizes the Serial Peripheral Interface (SPI) protocol to communicate with the host device. It stores data in non-volatile memory cells, which retain information even when power is removed. The chip's internal circuitry manages the reading, writing, and erasing of data based on commands received from the host device.

Detailed Application Field Plans

The W25Q40CLSSIG TR is widely used in various electronic devices and applications, including but not limited to:

1. Computer motherboards for storing BIOS firmware.
2. Smartphones and tablets for storing operating system code and user data.
3. Automotive electronics for storing configuration settings and firmware.
4. Industrial control systems for storing program code and data logs.
5. Consumer electronics such as digital cameras and gaming consoles for data storage purposes.

Detailed and Complete Alternative Models

1. W25Q80BVSSIG TR: 8 Megabit (1 Megabyte) Serial Flash Memory.
2. W25Q16BVSSIG TR: 16 Megabit (2 Megabyte) Serial Flash Memory.
3. W25Q32JVSSIQ TR: 32 Megabit (4 Megabyte) Serial Flash Memory.
4. W25Q64JVSSIQ TR: 64 Megabit (8 Megabyte) Serial Flash Memory.
5. W25Q128JVSSIQ TR: 128 Megabit (16 Megabyte) Serial Flash Memory.

These alternative models offer higher storage capacities while maintaining similar characteristics and functionality to the W25Q40CLSSIG TR.

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