Two-Channel I2C-Bus Switch With Interrupt Logic And Reset

The PCA9543A is a bidirectional translating Switch controlled by the I2C bus. The SCL/SDA upstream pair fans out to two downstream pairs, or channels. Any individual SCn/SDn channel or combination of channels CAN be selected, determined by the contents of the programmable control Register Two interrupt inputs (INT0-INT1), one for each of the downstream pairs, are provided. One interrupt output (INT) acts as an AND of the two interrupt inputs. An active-low reset (RESET) input allows the PCA9543A to recover from a situation where one of the downstream I2C buses is stuck in a low state. Pulling RESET low resets the I2C state machine and causes all the channels to be deselected, as does the internal power-on reset function. By Texas Instruments
Part Manufacturer Description Datasheet Samples
PCA9543APWG4 Texas Instruments Two-Channel I2C-Bus Switch With Interrupt Logic and Reset 14-TSSOP -40 to 85
PCA9543APW Texas Instruments Two-Channel I2C-Bus Switch With Interrupt Logic and Reset 14-TSSOP -40 to 85
PCA9543APWR Texas Instruments Two-Channel I2C-Bus Switch With Interrupt Logic and Reset 14-TSSOP -40 to 85
PCA9543ADG4 Texas Instruments Two-Channel I2C-Bus Switch With Interrupt Logic and Reset 14-SOIC -40 to 85
PCA9543APWRG4 Texas Instruments Two-Channel I2C-Bus Switch With Interrupt Logic and Reset 14-TSSOP -40 to 85
PCA9543ADRG4 Texas Instruments Two-Channel I2C-Bus Switch With Interrupt Logic and Reset 14-SOIC -40 to 85
PCA9543ADR Texas Instruments Two-Channel I2C-Bus Switch With Interrupt Logic and Reset 14-SOIC -40 to 85
PCA9543AD Texas Instruments Two-Channel I2C-Bus Switch With Interrupt Logic and Reset 14-SOIC -40 to 85
PCA9543A 's PackagesPCA9543A 's pdf datasheet
PCA9543AD SOIC
PCA9543ADG4 SOIC
PCA9543ADR SOIC
PCA9543ADRG4 SOIC
PCA9543APW TSSOP
PCA9543APWG4 TSSOP
PCA9543APWR TSSOP
PCA9543APWRG4 TSSOP

PCA9543A pdf datasheet download


PCA9543A Pinout, Pinouts
PCA9543A pinout,Pin out
This is one package pinout of PCA9543A,If you need more pinouts please download PCA9543A's pdf datasheet.

PCA9543A Application circuits
PCA9543A circuits
This is one application circuit of PCA9543A,If you need more circuits,please download PCA9543A's pdf datasheet.


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