PCA9673DK,118 NXP Semiconductors, PCA9673DK,118 Datasheet - Page 13

• Manufacturer Part Number: PCA9673DK,118
• Description: IC I/O EXPANDER I2C 16B 24QSOP
• Manufacturer: NXP Semiconductors

Specifications of PCA9673DK,118

• Package / Case: 24-QSOP
• Interface: I²C
• Number Of I /o: 16
• Interrupt Output: Yes
• Frequency - Clock: 1MHz
• Voltage - Supply: 2.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Includes: POR
• Logic Family: PCA9673
• Number Of Lines (input / Output): 16.0 / 16.0
• Operating Supply Voltage: 2.3 V to 5.5 V
• Power Dissipation: 600 mW
• Operating Temperature Range: - 40 C to + 85 C
• Input Voltage: 5.5 V
• Logic Type: I/O Expander
• Maximum Clock Frequency: 1 MHz
• Mounting Style: SMD/SMT
• Number Of Input Lines: 16.0
• Number Of Output Lines: 16.0
• Output Current: 50 mA
• Output Voltage: 5.5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-4198-2; 935283557118; PCA9673DK-T

Fig 18. Read input port register, scenario 2
SCL
SDA
read from port 0
data into port 0
read from port 1
data into port 1
INT
S
START condition
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).
A6
1
2
A5 A4 A3 A2 A1 A0
3
t
v(D)
4
5
6
acknowledge
from slave
DATA 00
7
t
R/W
h(D)
8
1
9
A
DATA 10
t
d(rst)
DATA 00
P0x
DATA 01
acknowledge
from master
t
h(D)
A
DATA 02
DATA 10
P1x
acknowledge
t
DATA 11
su(D)
from master
A
DATA 03
DATA 03
P0x
acknowledge
t
su(D)
from master
A
DATA 12
DATA12
P1x
no acknowledge
from master
002aac313
1
P