PCF8574TS/3,112 NXP Semiconductors, PCF8574TS/3,112 Datasheet - Page 11

• Manufacturer Part Number: PCF8574TS/3,112
• Description: IC I/O EXPANDER I2C 8B 20SSOP
• Manufacturer: NXP Semiconductors

Specifications of PCF8574TS/3,112

• Package / Case: 20-SSOP
• 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
• Maximum Operating Frequency: 100 KHz
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Output Lines: 9
• Output Voltage: 2.4 V
• Supply Voltage (max): 6 V
• Supply Voltage (min): 2.5 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: 568-3988-5; 935275672112; PCF8574TDK; PCF8574TDK

white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader. white to force landscape pages to be ...
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 last acknowledge phase is valid (output mode). Input data is lost.
READ FROM
DATA INTO
PORT
PORT
INT
SDA
start condition
t iv
S
0
slave address (PCF8574)
1
0
0
A2
A1
A0
t ph
R/W
1
Fig.12 READ mode (input).
A
acknowledge
from slave
DATA 2
t ir
data from port
DATA 1
DATA 3
t ps
A
acknowledge
from slave
t ir
data from port
DATA 4
DATA 4
1
condition
MBD975
stop
P