PCF8575CTS/1,112 NXP Semiconductors, PCF8575CTS/1,112 Datasheet - Page 8

• Manufacturer Part Number: PCF8575CTS/1,112
• Description: IC I/O EXPANDER I2C 16B 24SSOP
• Manufacturer: NXP Semiconductors

Specifications of PCF8575CTS/1,112

• Interface: I²C
• Number Of I /o: 16
• Interrupt Output: Yes
• Frequency - Clock: 400kHz
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SSOP
• Includes: POR
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 568-3528-5; 935278677112; PCF8575CTSDB

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A LOW-to-HIGH transition of SDA, while SCL is HIGH is defined as the STOP condition (P). Transfer of data can be stopped at any moment by a STOP condition. When this occurs, data present
at the latest acknowledge phase is valid (output mode). Input data is lost.
READ FROM PORT
DATA INTO PORT
INT
SDA
SCL
S
t iv
0
P07 to P00
1
0
0
A2
A1
P17 to P10
A0
R/W acknowledge
1
A
from slave
t ir
t h
P07 P06 P05 P04
P07 to P00
P03 P02 P01 P00
A
acknowledge
from receiver
Fig.6 READ mode (input).
P17
P17 to P10
P10
t su
A
acknowledge
from receiver
t ir
P07
P07 to P00
P00
A P17
acknowledge
from receiver
P17 to P10
MGL543
non acknowledge
from receiver
P10
1
P