W25X40CLSNIG

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W25X40CLSNIG

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IC FLASH 4MBIT SPI 104MHZ 8SOIC

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規格

屬性 價值
Series SpiFlash®
Part Status Active
Base Product Number W25X40
DigiKey Programmable Verified
Memory Type Non-Volatile
Memory Format FLASH
Technology FLASH
Memory Size 4Mbit
Memory Organization 512K x 8
Memory Interface SPI
Clock Frequency 104 MHz
Write Cycle Time - Word, Page 800µs
Voltage - Supply 2.3V ~ 3.6V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Packaging Tube

概述

Description

The W25X40CLSNIG is a serial flash memory device from the W25X series manufactured by Winbond. It offers a storage capacity of 4 megabits (512 kilobytes) and is designed for a wide range of applications, including computer systems, consumer electronics, and industrial devices. The device utilizes a Serial Peripheral Interface (SPI), providing a cost-effective way to add non-volatile memory to a system with minimal pin count.
Key features of the W25X40CLSNIG include fast read speeds up to 104 MHz, low power consumption, and an operating voltage range typically from 2.7V to 3.6V. The memory is organized into sectors and blocks, allowing for efficient erase and write operations. It also supports standard and dual SPI operations, enhancing data transfer rates. Additionally, it includes features like software and hardware write protection and the capability to hold operations via a 'hold' pin for more flexible integration into complex systems.
The W25X40CLSNIG is suited for applications where reliable, high-speed memory access is crucial, and is available in compact packaging options like SOP and WSON.

Equivalent

The W25X40CLSNIG is a 4Mb (512KB) serial NOR Flash memory chip from Winbond. Equivalent products include the AT25DF041B from Adesto Technologies, the MX25L4006E from Macronix, and the SST25VF040B from Microchip Technology. These chips typically offer similar features such as SPI interface, comparable memory size, and voltage requirements. When selecting an equivalent, ensure compatibility with your specific application requirements, such as operating temperature range and data retention specifications.

Features

The W25X40CLSNIG is a 4-megabit (512K-byte) serial flash memory device manufactured by Winbond. It is part of the W25X series and is commonly used for storage in electronic devices that require non-volatile memory solutions. Key features include:
1. Serial Peripheral Interface (SPI): Supports standard, dual, and quad SPI operations for high-speed data transfer.
2. Voltage Range: Operates within a wide voltage range from 2.3V to 3.6V, making it suitable for various applications.
3. Performance: Offers a fast read speed of up to 104MHz, enabling quick data access.
4. Sector Architecture: Features a 4KB sector and 64KB block erase capability, allowing for efficient memory management.
5. Security: Includes hardware and software write protection features to ensure data integrity and prevent unauthorized modifications.
6. Low Power Consumption: Designed for low power usage, making it ideal for battery-operated devices.
7. Temperature Range: Works effectively in temperatures ranging from -40°C to 85°C, suitable for industrial environments.
These features make the W25X40CLSNIG a versatile choice for applications requiring reliable and efficient flash memory.

Pinout

The W25X40CLSNIG is a 4Mb (512KB) serial flash memory chip produced by Winbond. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of its pin functions:
1. CS# (Chip Select): This active-low pin enables communication between the host and the memory chip.
2. DO (Data Out): This pin outputs data from the chip to the host during read operations.
3. WP# (Write Protect): This active-low pin can be used to protect certain sections of the memory from being erased or programmed.
4. GND: Ground reference for the chip.
5. DI (Data In): This pin is used to input data into the chip or to receive commands from the host.
6. CLK (Clock): Provides the clock signal required for synchronizing data transfers.
7. HOLD#: This active-low pin pauses any serial communication, allowing the interface to be held in a suspended state.
8. VCC: Supplies the power to the chip, typically 2.7V to 3.6V.
These pins enable the W25X40CLSNIG to interface with a microcontroller through the SPI (Serial Peripheral Interface) protocol, allowing operations such as reading, writing, and erasing data.

Manufacturer

The W25X40CLSNIG is manufactured by Winbond Electronics Corporation. Winbond is a Taiwanese company specializing in the design and manufacture of semiconductor solutions. They are known for their production of memory products, including DRAM, NOR Flash, and NAND Flash memory. As a company, Winbond focuses on providing high-performance and low-power memory solutions that cater to a wide range of applications, such as consumer electronics, automotive, industrial, and communication systems.

Application

The W25X40CLSNIG is a 4Mb serial flash memory chip used in various applications due to its reliability and performance. Common application areas include:
1. Consumer Electronics: Used in devices like TVs, cameras, and audio equipment for firmware storage.
2. Computers and Peripherals: Common in laptops, desktops, and printers for BIOS and firmware storage.
3. Industrial Systems: Utilized in control systems and automation equipment for program storage.
4. Networking Equipment: Employed in routers and switches for firmware and configuration data.
5. Automotive Electronics: Used in infotainment systems and electronic control units (ECUs) for software storage.
Its small form factor and energy efficiency make it ideal for portable and embedded systems.

Package

The W25X40CLSNIG is a serial flash memory chip manufactured by Winbond. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Frequently Asked Questions


Q: What is the memory size and organization of the W25X40CLSNIG?
A: It has a 4Mbit capacity organized as 512K x 8 bytes, suitable for code shadowing and data storage.


Q: What is the maximum clock frequency for SPI communication?
A: The device supports a clock frequency up to 104 MHz, enabling fast read and program operations.


Q: What is the operating voltage range for this flash memory?
A: It operates from 2.3V to 3.6V, making it compatible with low-power and standard 3.3V systems.


Q: What is the typical write cycle time for a page or word?
A: The typical write cycle time is 800µs per word or page, ensuring efficient programming performance.


Q: Is this component suitable for industrial temperature environments?
A: Yes, it has an operating temperature range of -40°C to 85°C, ideal for industrial applications.


Q: What package type is the W25X40CLSNIG available in?
A: It comes in an 8-pin SOIC (0.154” width) surface-mount package, designated as 8-SOIC.


Q: Which memory interface does this device use?
A: It uses a standard SPI (Serial Peripheral Interface) for communication, commonly used in embedded systems.


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