PCA9556PW,112 NXP Semiconductors, PCA9556PW,112 Datasheet - Page 3

• Manufacturer Part Number: PCA9556PW,112
• Description: IC I/O EXPANDER I2C 8B 16TSSOP
• Manufacturer: NXP Semiconductors

Specifications of PCA9556PW,112

• Package / Case: 16-TSSOP
• Interface: I²C, SMBus
• Number Of I /o: 8
• Interrupt Output: Yes
• Frequency - Clock: 100KHz
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Includes: POR
• Logic Family: PCA9556
• Number Of Lines (input / Output): 8.0 / 8.0
• Operating Supply Voltage: 3 V to 5.5 V
• Operating Temperature Range: - 40 C to + 85 C
• Logic Type: I2C, SMBus
• Mounting Style: SMD/SMT
• Number Of Input Lines: 8.0
• Number Of Output Lines: 8.0
• Output Current: 20 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 568-1059-5; 935262899112; PCA9556PW

Philips Semiconductors
BLOCK DIAGRAM
SYSTEM DIAGRAM
2002 Mar 28
Octal SMBus and I
15
1
2
5
4
3
RESET
A2
A1
A0
SCL
SDA
V
GND = 8
CC
= 16
RESET
or
or
or
SDA
SCL
V
V
SS
A0
A1
A2
DD
1.1 K
1.6 K
1.6 K
1.1 K
1.1 K
1.1 K
2
FILTER
I
INPUT
2
C registered interface
Interface
C/SMBus
logic
POWER-ON
RESET
Input Port
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
Figure 3. System diagram
Figure 2. Block diagram
Polarity Inversion
CONTROL
SMBus
3
NOTE: ALL I/Os ARE SET TO INPUTS AT RESET
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
WRITE pulse
READ pulse
Configuration
8-BIT
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
OUTPUT
PORTS
INPUT/
Output Port
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
SW00793
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
I/O0
I/O1
I/O2
I/O3
I/O4
I/O5
I/O6
I/O7
SW00794
PCA9556
1.1 K
Product data
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