PCA9554D,118 NXP Semiconductors, PCA9554D,118 Datasheet - Page 10

• Manufacturer Part Number: PCA9554D,118
• Description: IC I/O EXPANDER I2C 8B 16SOIC
• Manufacturer: NXP Semiconductors

Specifications of PCA9554D,118

• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Interface: I²C, SMBus
• Number Of I /o: 8
• Interrupt Output: Yes
• Frequency - Clock: 400kHz
• Voltage - Supply: 2.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Includes: POR
• Logic Family: PCA9554
• Number Of Lines (input / Output): 8.0 / 8.0
• Operating Supply Voltage: 2.3 V to 5.5 V
• Power Dissipation: 200 mW
• Operating Temperature Range: - 40 C to + 85 C
• Input Voltage: 5 V
• Logic Type: I2C, SMBus
• Maximum Clock Frequency: 400 KHz
• Mounting Style: SMD/SMT
• Number Of Input Lines: 8.0
• Number Of Output Lines: 8.0
• Output Current: 50 mA
• Output Voltage: 5 V
• Operating Temperature (min): -40C
• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Package Type: SO
• Rad Hardened: No
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 935269192118; PCA9554D-T; PCA9554D-T

Fig 10. Write to Output port registers
Fig 11. Write to Configuration registers
write to port
from port 0
from port 1
data out
data out
SDA
SCL
SDA
SCL
S
START condition
1
S
START condition
0
1
2
0
1
slave address
2
3
1
0
slave address
3
4
0
0 A2 A1 A0 0
4
5
0 A2 A1 A0 0
5
6
6
7
R/W
7
8
R/W
8
9
A
acknowledge
from slave
9
A
acknowledge
from slave
0
0
0
command byte
0
0
command byte
0
0
0
0
0
1
0
1
1
0
0
A
acknowledge
from slave
MSB
A
acknowledge
from slave
0.7
data to register
DATA 0
data to port 0
DATA 0
t
LSB
v(Q)
0.0
A
acknowledge
from slave
MSB
A
acknowledge
from slave
1.7
data to register
DATA 1
data to port 1
DATA 1
DATA VALID
t
LSB
v(Q)
1.0
A
002aac221
condition
STOP
A
002aac220
P
condition
STOP
P