Product Folder Sample & Buy Technical Documents Tools & Software Support & Community PCA9543A SCPS169A – SEPTEMBER 2007 – REVISED JUNE 2014 PCA9543A 2-Channel I2C Bus Switch With Interrupt Logic and Reset 1 Features •1 1-of-2 Bidirectional Translating Switches • I2C Bus and SMBus Compatible • Two Active-Low Interrupt Inputs • Active-Low Interrupt Output • Active-Low Reset Input • Two Address Pins Allowing up to Four PCA9543A Devices on the I2C Bus • Channel Selection Via I2C Bus, in Any Combination • Power-up With All Switch Channels Deselected • Low RON Switches • Allows Voltage-Level Translation Between 1.
8-V, 2.
5-V, 3.
3-V, and 5-V Buses • No Glitch on Power-up • Supports Hot Inserti...

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