CY3218-CAPEXP1 Cypress Semiconductor Corp, CY3218-CAPEXP1 Datasheet - Page 18

• Manufacturer Part Number: CY3218-CAPEXP1
• Description: KIT CAPSENSE EXPRESS CY8C20110
• Manufacturer: Cypress Semiconductor Corp
• Series: CapSense Express™r

Specifications of CY3218-CAPEXP1

• Sensor Type: Touch, Capacitive
• Interface: I²C, USB
• Voltage - Supply: 0.9 V ~ 1.5 V
• Embedded: Yes, Other
• Utilized Ic / Part: CY8C20110
• Processor To Be Evaluated: CY8C201x
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sensitivity: -
• Sensing Range: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 428-2043

Layout Guidelines and Best Practices
CapSense Button Shapes
Button Layout Design
X: Button to ground clearance (Refer to
Y: Button to button clearance (Refer to
Recommended via Hole Placement
Table 6. Recommended Layout Guidelines and Best Practices
Document Number: 001-54606 Rev. *E
1
2
3
4
5
6
7
8
Sl
Button shape
Button size
Button-button spacing
Button ground clearance
Ground flood-top layer
Ground flood-bottom layer
Trace length from sensor to
PSoC-buttons
Trace width
Category
Table 6 on page
Table 6 on page
5 mm
Equal to
button
ground
clearance
0.5 mm
0.17 mm
Min
–
–
–
–
18)
15 mm
2 mm
200 mm
0.20 mm
18)
Max
–
–
–
–
Solid round pattern, round with LED hole, rectangle with
round corners
10 mm
8 mm [X]
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 (7-mil)
Recommendations/Remarks
CY8C20160, CY8C20140
CY8C20110, CY8C20180
CY8C20142
Page 18 of 39
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