HDMIULC6-2M6 データシートの表示（PDF） - STMicroelectronics

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HDMIULC6-2M6

Ultra large bandwidth ESD protection

STMicroelectronics 

HDMIULC6-2x6

Recommendation on PCB assembly

4

Recommendation on PCB assembly

4.1

Stencil opening design

1. General recommendation on stencil opening design

a) Stencil opening dimensions: L (Length), W (Width), T (Thickness)

Figure 26. Stencil opening dimensions.

L

TW

b) General Design Rule

Stencil thickness (T) = 75 ~ 125 µm

Aspect

Ratio

=

W-----

T

≥ 1.5

Aspect Area

=

-------L-----×----W-----------

2T(L + W)

≥

0.66

2. Reference design

a) Stencil opening thickness: 100 µm

b) Stencil opening for leads: Opening to footprint ratio is 90%.

Figure 27. Recommended stencil window position (µQFN only)

7 µm

7 µm

15 µm

236 µm

250 µm

15 µm

Footprint

Stencil window

Footprint

11/17

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