TCA9539_15 Datasheet, PDF (31/42 Pages) Texas Instruments – Low Voltage 16-Bit I2C and SMBus Low-Power I/O Expander

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11.2 Layout Example
VCC
By-pass/de-coupling
capacitors
1
2
3
4
5
6
7
8
9
10
11
12
GND
INT
PW package _VCC
A1
SDA
RESET
SCL
P00
A0
P01
P17
P02
P16
P03
P15
P04
P14
P05
P13
P06
P12
P07
P11
GND
P10
TCA9539
SCPS202B – OCTOBER 2009 – REVISED OCTOBER 2015
LEGEND
Partial view of plane
(inner layer )
Via to power plane
Via to GND plane
VCC
16
15
14
13
16
15
14
13
16
15
14
13
Figure 42. TCA9539 Layout
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