W25Q40CLSSIG

Series:	SpiFlash®
Packaging:	Tube
Part Status:	Active
Memory Type:	Non-Volatile
Memory Format:	FLASH
Technology:	FLASH - NOR
Memory Size:	4Mb (512K x 8)
Clock Frequency:	104MHz
Write Cycle Time - Word, Page:	800µs
Memory Interface:	SPI
Voltage - Supply:	2.3 V ~ 3.6 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.209", 5.30mm Width)
Supplier Device Package:	8-SOIC

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<p>W25Q40CLSSIG is a non-volatile flash memory chip made by Winbond Electronics Corporation. This memory chip is ideal for data storage in a variety of applications, including automotive, industrial, medical, and consumer.</p><p>The W25Q40CLSSIG features a fast read speed of up to 104Mbps. It also features an enhanced environmental compatibility that guarantees data longevity even in severe conditions such as a wide range of temperatures, accelerated voltages, and x-rays.</p><p>The application fields of W25Q40CLSSIG includes but not limited to supervisory control, in-vehicle navigation, gaming, vehicle network, industrial networks, telecom systems, and smart home.</p><p>The working principle of the W25Q40CLSSIG is to store digital data in memory cells using electric charge. A memory cell is a device or circuit that stores a single bit of information, generally either 0 or 1. Each memory cell is composed of a gate and two transistors, a source and drain.</p><p>When the gate is charged, current can flow between the source and drain. This charge is held in the memory cell until it is changed by applying a voltage to the gate. To write data to the W25Q40CLSSIG, a voltage is applied to the gate and the source and drain are configured for write or erase mode to either set the bit to 1 or 0.</p><p>To read data from the W25Q40CLSSIG, a voltage is applied to the gate, and the source and drain are configured to read mode. This allows the current to flow when the bit is set to 1 or 0. This current flow is detected by the processor and converted into a 0 or 1 bit.</p><p>The W25Q40CLSSIG is a compact and reliable flash memory chip that can be used in a wide range of applications. It has a fast read speed, enhanced environmental compatibility, and is highly versatile, making it well suited for use in automotive, industrial, medical, and consumer applications.</p>

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