| Part number: | PCA9557RGYR | 
| Description: | IC XPNDR 400KHZ I2C SMBUS 16VQFN | 
| Manufacturer | Texas Instruments | 
| Encapsulation | Tape & Reel (TR) | 
| Quantity | 3000 | 
| RoHS | 1 | 
| TYPE | DESCRIPTION | 
| Mfr | "Texas Instruments" | 
| Features | POR | 
| Package / Case | 16-VFQFN Exposed Pad | 
| Output Type | Open Drain, Push-Pull | 
| Mounting Type | Surface Mount | 
| Interface | I2C, SMBus | 
| Number of I/O | 8 | 
| Operating Temperature | -40°C ~ 85°C | 
| Voltage - Supply | 2.3V ~ 5.5V | 
| Clock Frequency | 400 kHz | 
| Interrupt Output | No | 
| Supplier Device Package | 16-VQFN (4x3.5) | 
| Current - Output Source/Sink | 10mA, 25mA | 
| DigiKey Programmable | Not Verified |