| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 16 Pin |
| Supply Voltage (DC) | 3.30 V |
| Case/Package | TSSOP |
| Number of Outputs | 1 Output |
| Contacts Type | 4PST |
| Supply Current | 16.0 µA |
| Number of Circuits | 1 Circuit |
| Number of Positions | 16 Position |
| Power Dissipation | 0.4 W |
| Number of Inputs | 4 Input |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage | 2.3V ~ 5.5V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Unknown |
| Packaging | Each |
| Operating Temperature | -40℃ ~ 85℃ |
The PCA9546APW is a 4-channel I²C-bus Switch with reset controlled via the I²C-bus. The SCL/SDA upstream pair fans out to four downstream pairs or channels. Any individual SCx/SDx channel or combination of channels can be selected, determined by the contents of the programmable control register. An active low reset input allows the switch to recover from a situation where one of the downstream I²C-buses is stuck in a low state. Pulling the RESET pin low resets the I²C-bus state machine and causes all the channels to be deselected as does the Internal power-ON reset function.
● Active low reset input
● 3 Address pins allowing up to 8 devices on the I²C-bus
● Power-up with all switch channels deselected
● Low RON switches
● No glitch on power-up
● Supports hot insertion
● Low standby current
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