| Part Number | PCA9544AZQNR | PCA9545AZQNR | 
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | 
| Category | Interface - Specialized | Interface - Specialized | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Applications | Translating Switch | Translating Switch | 
| Interface | I²C, SMBus | I²C, SMBus | 
| Voltage - Supply | 2.3V ~ 5.5V | 2.3V ~ 5.5V | 
| Package / Case | 20-VFBGA | 20-VFBGA | 
| Supplier Device Package | 20-BGA MICROSTAR JUNIOR (4x3) | 20-BGA MICROSTAR JUNIOR (4x3) | 
| Mounting Type | Surface Mount | Surface Mount |