CY8C20110 View Datasheet(PDF) - Cypress Semiconductor
Part Name
Description
MFG CO.
'CY8C20110' PDF : 46 Pages View PDF
Layout Guidelines and Best Practices
CapSense Button Shapes
Button Layout Design
CY8C20110, CY8C20180
CY8C20160, CY8C20140
CY8C20142
X: Button to ground clearance (Refer to Table 2 on page 18)
Y: Button to button clearance (Refer to Table 2 on page 18)
Recommended via Hole Placement
Table 2. Recommended Layout Guidelines and Best Practices
S. No.
Category
1
Button shape
2
Button size
3
Button-button spacing
4
Button ground clearance
5
Ground flood-top layer
6
Ground flood-bottom layer
7
Trace length from sensor to
PSoC-buttons
8
Trace width
Min
–
5 mm
Equal to
button
ground
clearance
0.5 mm
–
–
–
Max
–
15 mm
–
Recommendations/Remarks
Solid round pattern, round with LED hole, rectangle with round
corners
10 mm
8 mm [X]
2 mm
–
–
200 mm
Button ground clearance = Overlay thickness [Y]
Hatched ground 7-mil trace and 45-mil grid (15% filling)
Hatched ground 7-mil trace and 70-mil grid (10% filling)
< 100 mm
0.17 mm 0.20 mm 0.17 mm (7-mil)
Document Number: 001-54606 Rev. *J
Page 18 of 46
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