| Part Number | PCA9539BS,118 | PCA9539BS,115 | 
|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. | 
| Category | Interface - I/O Expanders | Interface - I/O Expanders | 
|   |   | |
| Product Status | Last Time Buy | Last Time Buy | 
| Number of I/O | 16 | 16 | 
| Interface | I²C, SMBus | I²C, SMBus | 
| Interrupt Output | Yes | Yes | 
| Features | POR | POR | 
| Output Type | Push-Pull | Push-Pull | 
| Current - Output Source/Sink | 10mA, 25mA | 10mA, 25mA | 
| Clock Frequency | 400 kHz | 400 kHz | 
| Voltage - Supply | 2.3V ~ 5.5V | 2.3V ~ 5.5V | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 24-VFQFN Exposed Pad | 24-VFQFN Exposed Pad | 
| Supplier Device Package | 24-HVQFN (4x4) | 24-HVQFN (4x4) |