CY8C20160-LDX1I View Datasheet(PDF) - Cypress Semiconductor

Part Name

Description

Manufacturer

CY8C20160-LDX1I

CapSense Express™ Button Capacitive Controllers

Cypress Semiconductor 

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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