PCF8574T/3,512 NXP Semiconductors, PCF8574T/3,512 Datasheet - Page 10

• Manufacturer Part Number: PCF8574T/3,512
• Description: IC I/O EXPANDER I2C 8B 16SOIC
• Manufacturer: NXP Semiconductors

Specifications of PCF8574T/3,512

• 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
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Includes: POR
• For Use With: 568-3615 - DEMO BOARD I2C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-1076-5; 935275617512; PCF8574TD

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FROM PORT
DATA OUT
WRITE TO
PORT
SCL
SDA
start condition
S
1
0
slave address (PCF8574)
2
1
0
3
4
0
A2
5
A1
6
A0
7
R/W
8
0
A
acknowledge
from slave
Fig.11 WRITE mode (output).
data to port
DATA 1
t pv
A
acknowledge
from slave
data to port
DATA 1 VALID
DATA 2
t pv
A
acknowledge
from slave
DATA 2 VALID
MBD974