SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
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SHENZHEN GANGXINLI ELECTRONICS CO.,LTD
Professional Electronic Component Distributor!
2026/5/13
The W25X40CLSNIGT is a high-performance non-volatile SPI FLASH memory chip manufactured by Winbond Electronics. It features compact size, fast transmission speed and reliable data storage, widely used for embedded system program and data storage.
Category:Integrated Circuits (ICs),Memory
Memory Organization:512K x 8
Mfr:Winbond Electronics
Memory Interface:SPI
Series:SpiFlash®
Clock Frequency:104 MHz
Packaging:Tape & Reel
Write Cycle Time - Word, Page:800µs
Part Status:Active
Voltage - Supply:2.3V ~ 3.6V
Operating Temperature:-40°C ~ 85°C (TA)
Memory Type:Non-Volatile
Mounting Type:Surface Mount
Memory Format:FLASH
Package / Case:8-SOIC (0.154", 3.90mm Width)
Technology:FLASH
Memory Size:4Mbit
Non-volatile Storage:This chip adopts non-volatile FLASH storage technology, which can retain stored data permanently after power off without continuous power supply. It effectively avoids data loss caused by power interruption and ensures long-term data storage reliability.
High-speed Clock:It supports a maximum clock frequency of 104 MHz, enabling ultra-fast SPI bus data reading and writing. The high-frequency operation significantly improves the efficiency of program loading and data transmission for embedded devices.
Wide Voltage Range:It works stably within a supply voltage range of 2.3V to 3.6V, compatible with most mainstream embedded power supply systems. It maintains stable performance under slight voltage fluctuations and enhances system power adaptability.
Fast Writing Speed:The word and page write cycle time is as short as 800µs, realizing rapid data programming and page writing. It greatly shortens the system firmware upgrade and data recording time, improving device response efficiency.
Low Power Consumption:Designed with low-power operating characteristics, it features low operating current and ultra-low standby current. It effectively reduces overall device power consumption and is suitable for battery-powered portable electronic products.
Compact Package:Adopting 8-SOIC surface mount package with narrow width, it occupies minimal PCB layout area. The miniaturized packaging meets the lightweight and compact design requirements of modern embedded and intelligent devices.
MCU Firmware Storage:It is used to store startup programs and firmware codes for STM32 and other mainstream single-chip microcontrollers. It supports offline program storage and fast boot loading to ensure normal startup and operation of embedded control systems.
Router Data Cache:It serves as temporary data and configuration storage for household wireless routers. It stores network parameter settings and log data, realizing automatic parameter loading after device power-on and stable network operation.
Smart Sensor Logging:It is applied to intelligent temperature and humidity sensors for storing long-term collected environment data and calibration parameters. It supports periodic data recording and offline data preservation for sensor terminal equipment.
Audio Device Storage:It stores fixed voice prompts and audio parameter data for smart speakers and voice playback devices. It realizes fast audio data reading to ensure smooth and stable voice playback functions.
IoT Terminal Configuration:It is used in WiFi and Bluetooth IoT modules to store network pairing information and device configuration data. It guarantees automatic network reconnection and parameter recovery after device restart.
The W25X40CLSNIGT is a high-speed, low-power 4Mbit SPI FLASH memory with wide voltage adaptability and stable storage performance. It is a cost-effective and reliable storage solution widely applied in embedded control, IoT terminals and smart consumer electronic devices.