| Part Number | PCA9545APW,112 | PCA9543APW,112 |
|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. |
| Category | Interface - Specialized | Interface - Specialized |
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| Product Status | Active | Obsolete |
| Applications | 4-Channel I²C Switcher | 2-Channel I²C Multiplexer |
| Interface | I²C, SMBus | I²C |
| Voltage - Supply | 2.3V ~ 5.5V | 2.3V ~ 3.6V, 4.5V ~ 5.5V |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) | 14-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-TSSOP | 14-TSSOP |
| Mounting Type | Surface Mount | Surface Mount |