PCF8574AT/3,512 NXP Semiconductors, PCF8574AT/3,512 Datasheet - Page 13

• Manufacturer Part Number: PCF8574AT/3,512
• Description: IC I/O EXPANDER I2C 8B 16SOIC
• Manufacturer: NXP Semiconductors

Specifications of PCF8574AT/3,512

• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Interface: I²C
• Number Of I /o: 8
• Interrupt Output: Yes
• Frequency - Clock: 100KHz
• Voltage - Supply: 2.5 V ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Includes: POR
• Logic Family: PCF
• Number Of Lines (input / Output): 9
• Operating Supply Voltage: 2.5 V to 6 V
• Power Dissipation: 400 mW
• Operating Temperature Range: - 40 C to + 85 C
• Maximum Clock Frequency: 100 KHz
• Mounting Style: SMD/SMT
• Number Of Output Lines: 9
• Output Current: 25 mA
• Output Voltage: 2.4 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 568-3615 - DEMO BOARD I2C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-3987-5; 935275581512; PCF8574ATD; PCF8574ATD

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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