W25Q40CLSNIG

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W25Q40CLSNIG

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IC FLASH 4MBIT SPI/QUAD 8SOIC

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Attribut Wert
Series SpiFlash®
Part Status Active
Base Product Number W25Q40
DigiKey Programmable Verified
Memory Type Non-Volatile
Memory Format FLASH
Technology FLASH - NOR
Memory Size 4Mbit
Memory Organization 512K x 8
Memory Interface SPI - Quad I/O
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

Übersicht

Description

The W25Q40CLSNIG is a 4Mb (512K x 8) serial flash memory chip manufactured by Winbond. It is part of the W25Q series, which is known for its high performance and reliability in storing data. The chip uses a SPI (Serial Peripheral Interface) bus for communication, which allows for fast data transfer rates and is suitable for applications where space and power consumption are critical. It operates with a single 2.7V to 3.6V power supply.
Key features include a high-speed clock frequency of up to 104 MHz, a flexible architecture that supports code shadowing to RAM, and execute-in-place (XIP) functionality. It also has security features such as block protection and a write protection mechanism to prevent accidental data loss. The device supports standard, dual, and quad SPI modes, enhancing its versatility in various embedded system applications. Typical uses include consumer electronics, industrial applications, and IoT devices. Its compact size and robust feature set make it ideal for systems requiring reliable non-volatile memory storage with minimal footprint and power usage.

Equivalent

The W25Q40CLSNIG is a 4Mb serial NOR Flash memory chip, commonly used for data storage in embedded systems. Equivalent products include:
1. AT25SF041 by Adesto Technologies
2. MX25L4006E by Macronix
3. SST25VF040B by Microchip Technology
4. GD25Q40 by GigaDevice
5. EN25F40 by Eon Silicon Solution
These chips typically share similar features like SPI interface support and comparable memory size. Always verify specific requirements like voltage and temperature range for compatibility.

Features

The W25Q40CLSNIG is a serial flash memory device from Winbond, part of the W25Q series. Key features include:
1. Capacity: It offers 4 megabits (512 kilobytes) of storage.
2. Interface: Utilizes a Serial Peripheral Interface (SPI) for communication, allowing for high-speed data transfer.
3. Performance: Supports Standard/Dual/Quad SPI operations with clock frequencies up to 104 MHz, enhancing data throughput.
4. Supply Voltage: Operates on a supply voltage range of 2.7V to 3.6V, making it suitable for various applications.
5. Low Power Consumption: Features deep power-down mode to minimize power usage when not in active use.
6. Endurance and Reliability: Provides 100,000 program/erase cycles and data retention of up to 20 years.
7. Package: Available in an 8-pin SOIC package, suitable for space-constrained designs.
8. Security: Includes protection features like block protection, OTP (One-Time Programmable) memory area, and hardware-based data protection.
9. Applications: Ideal for code shadowing, firmware storage, and embedded systems requiring reliable and efficient memory solutions.
These features make the W25Q40CLSNIG a versatile choice for various industrial and consumer electronics applications.

Pinout

The W25Q40CLSNIG is a 4 Mbit (512 KByte) serial flash memory chip developed by Winbond. It is part of the W25Q series, which features small, versatile SPI-compatible flash memory devices.
The chip 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 the device for communication.
2. DO (Data Out): Serial data output pin used for sending data from the device.
3. WP# (Write Protect): Active-low pin used to protect certain sections of memory from being modified.
4. GND (Ground): The ground reference for the power supply.
5. DI (Data In): Serial data input pin used for sending data to the device.
6. CLK (Clock): Provides the serial clock for data transfer.
7. HOLD#: This active-low pin pauses the device without deselecting it.
8. VCC (Voltage Supply): Power supply pin for the device, typically 2.7V to 3.6V.
These pins allow for typical operations like reading, writing, and erasing data through an SPI interface, making the W25Q40CLSNIG suitable for applications requiring non-volatile memory storage.

Manufacturer

The W25Q40CLSNIG is manufactured by Winbond Electronics Corporation. Winbond is a Taiwanese company that specializes in semiconductor technology and is known for producing a range of memory products, including Flash memory and dynamic random-access memory (DRAM). They are a significant player in the global memory market, supplying components used in various electronic devices such as computers, consumer electronics, and industrial equipment. Winbond is recognized for its expertise in non-volatile memory solutions, including Serial NOR Flash and NAND Flash, which are widely used in storage applications requiring reliable data retention and high-speed operation.

Application

The W25Q40CLSNIG is a 4Mb serial flash memory chip commonly used in various applications. Key application areas include:
1. Consumer Electronics: Used in devices like TVs, cameras, and audio equipment for firmware storage.
2. Embedded Systems: Provides reliable memory for microcontroller-based applications.
3. Networking Devices: Stores firmware and settings for routers, modems, and switches.
4. Automotive: Used in infotainment systems and other electronic control units.
5. Industrial Automation: Stores configuration and operational data in industrial control systems.
6. IoT Devices: Key for firmware updates and data logging in connected devices.
Its small form factor and low power consumption make it versatile for various compact and power-sensitive applications.

Package

The W25Q40CLSNIG is a 4Mb serial flash memory chip from Winbond. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package, which is commonly used for surface-mounted devices.

Frequently Asked Questions


Q: What is the memory size and organization of the W25Q40CLSNIG?
A: It features 4Mbit (512K x 8) of non-volatile NOR Flash memory, suitable for code storage and data logging.


Q: Does this device support Quad SPI for faster data transfer?
A: Yes, the memory interface supports SPI with Quad I/O, enabling higher throughput up to 104 MHz clock frequency.


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


Q: What voltage range does the W25Q40CLSNIG operate at?
A: It operates from 2.3V to 3.6V, making it compatible with low-power and standard 3.3V systems.


Q: Is this component suitable for surface mount assembly?
A: Yes, it comes in an 8-SOIC (0.154", 3.90mm Width) surface mount package, ideal for automated PCB assembly.


Q: What is the operating temperature range for this Flash memory?
A: It is rated for industrial use from -40°C to +85°C (TA), ensuring reliable performance in harsh environments.


Q: What is the main application for the W25Q40CLSNIG?
A: It is designed for embedded systems, IoT devices, and consumer electronics requiring boot code or parameter storage.


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