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PCA9543A PDF File ( Datasheet )

NXP Semiconductors
PCA9543APW,118
PCA9543A Series 3.6 V 40 µA 400 kHz SMT 2-Channel I2C-bus Switch - TSSOP-14

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PCA9543A Description
PCA9543A 2-Channel I2C Bus Switch With Interrupt Logic and Reset (Rev. A)

Texas Instruments
Texas Instruments
2-channel I2C-bus switch

PCA9543A, 43B, 43C Rev. 05 17 November 2008 2-channel I2C-bus switch with interrupt logic and reset Product data sheet 1. General description The PCA9543A, 43B, 43C 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 SCx, SDx channels or combination of channels can be selected, determined by the contents of the programmable control register. Two interrupt inputs, INT0 and INT1, one for eac
NXP Semiconductors
NXP Semiconductors



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