QFN Package that does not have a PIN Pad, but Lead Lead use instead of Lead legs underneath the IC. The advantages of a QFN Package is to use less space, there are a number of circuits can be drawn, but the size of the Board will be very small. Compared to using an IC design Package.Disadvantages of a QFN Package is comprised of a relatively difficult cycle may not be suitable for beginners or the IC must be changed frequently.
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