pcf8574ats-3 NXP Semiconductors, pcf8574ats-3 Datasheet - Page 13

• Manufacturer Part Number: pcf8574ats-3
• Description: Remote 8-bit I/o Expander For I2c-bus
• Manufacturer: NXP Semiconductors

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CURRENT
VOLTAGE
PULL-UP
OUTPUT
OUTPUT
P3
P3
SDA
SCL
start condition
S
0
1
Fig.15 Transient pull-up current I
slave address (PCF8574A)
1
2
1
3
1
4
A2
5
A1
6
A0
7
R/W acknowledge
0
8
A
from slave
OHt
while P3 changes from LOW-to-HIGH and back to LOW.
data to port
P3
1
I OHt
A
data to port
P3
0
MBD971
A
I OH
P