PCA9555D,112 NXP Semiconductors, PCA9555D,112 Datasheet - Page 10
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PCA9555D,112
Manufacturer Part Number
PCA9555D,112
Description
IC I/O EXPANDER I2C 16B 24SOIC
Manufacturer
NXP Semiconductors
Datasheet
1.PCA9555BS118.pdf
(34 pages)
Specifications of PCA9555D,112
Package / Case
24-SOIC (7.5mm Width)
Interface
I²C, SMBus
Number Of I /o
16
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
PCA9555
Number Of Lines (input / Output)
16.0 / 16.0
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
16.0
Number Of Output Lines
16.0
Output Current
50 mA
Output Voltage
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
568-1056-5
568-3985-5
935269567112
PCA9555D
568-3985-5
935269567112
PCA9555D
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