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TCA9545A
SCPS204D – JANUARY 2014 – REVISED NOVEMBER 2019
TCA9545A Low
Voltage 4-channel I2C and SMbus Switch With Interrupt Logic and Reset Functions
1 Features
•1 1-of-4 Bidirectional translating switches • I2C bus and SMBus compatible • Four active-low interrupt inputs • Active-low interrupt output • Active-low reset input • Two address terminals, allowing up to four
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-...