TCA6408A-Q1 Datasheet, PDF (16/40 Pages) Texas Instruments – Low-Voltage 8-Bit I2C and SMBus I/O Expander With Interrupt Output

TCA6408A-Q1
SCPS234 – SEPTEMBER 2016
8.2 Functional Block Diagrams
INT
13
2
ADDR
LP Filter
Interrupt
Logic
14
SCL
15
SDA
Input
Filter
I²C Bus
Control
Shift
Register
8 Bits
I/O Port
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P7±P0
1
V _CCI
16
V _CCP
RESET
3
8
GND
Power-On
Reset
Write Pulse
Read Pulse
Copyright © 2016, Texas Instruments Incorporated
All pin numbers shown are for the PW package.
All I/Os are set to inputs at reset.
Figure 21. Logic Diagram (Positive Logic)
16
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