TCA6408_09 Datasheet, PDF (5/31 Pages) Texas Instruments – LOW-VOLTAGE 8-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS

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13
2
ADDR
TCA6408
LOW-VOLTAGE 8-BIT I²C AND SMBus I/O EXPANDER
WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS
SCPS151C – FEBRUARY 2007 – REVISED JUNE 2007
LOGIC DIAGRAM (POSITIVE LOGIC)
LP Filter
Interrupt
Logic
14
SCL
15
SDA
Input
Filter
I²C Bus
Control
Shift
Register
8 Bits
I/O Port
P7–P0
V_CCI
1
V_CCP
16
RESET
3
GND
8
Power-On
Reset
A. All pin numbers shown are for the PW package.
B. All I/Os are set to inputs at reset.
Write Pulse
Read Pulse
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