| Part Number | PCA9554PW,118 | PCA9556PW,118 | 
|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. | 
| Category | Interface - I/O Expanders | Interface - I/O Expanders | 
|   |   | |
| Product Status | Active | Obsolete | 
| Number of I/O | 8 | 8 | 
| Interface | I²C, SMBus | I²C, SMBus | 
| Interrupt Output | Yes | Yes | 
| Features | POR | POR | 
| Output Type | Push-Pull | Open Drain, Push-Pull | 
| Current - Output Source/Sink | 10mA, 25mA | 10mA, 20mA | 
| Clock Frequency | 400 kHz | 100 kHz | 
| Voltage - Supply | 2.3V ~ 5.5V | 3V ~ 5.5V | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) | 16-TSSOP (0.173", 4.40mm Width) | 
| Supplier Device Package | 16-TSSOP | 16-TSSOP |