PCF8574PN NXP Semiconductors, PCF8574PN Datasheet - Page 13

• Manufacturer Part Number: PCF8574PN
• Description: I/O Expander 16-Pin PDIP Bulk
• Manufacturer: NXP Semiconductors

Specifications of PCF8574PN

• Package: 16PDIP
• Operating Temperature: -40 to 85 °C
• Chip Configuration: 8 Bit
• Bus Frequency: 100kHz
• Ic Interface Type: I2C
• No. Of I/o's: 8
• Supply Voltage Range: 2.5V To 6V
• Digital Ic Case Style: DIP
• No. Of Pins: 16
• Termination Type: DIP
• Filter Terminals: DIP
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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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