PCA9544ABS,118 datasheet by NXP Semiconductors

Description 4-channel I<sup>2</sup>C multiplexer with interrupt logic - # of Addresses: 8 ; I2C-bus: 400 kHz; Inputs: 1 ; Interrupt: 4-1 ; Operating temperature: -40~85 Cel; Operating voltage: 2.3~5.5 VDC; Outputs: 4; Package: SOT662-1 (HVQFN20); Container: Reel Pack, SMD, 13"
Datasheet Type Original
RoHS Yes
Lifecycle Active
HTS Code 8542.39.00.01
Schedule B 8542.39.00.00
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PCA9544ABS,118 datasheet preview

The PCA9544ABS,118 can support I2C bus frequencies up to 400 kHz.
Yes, PCA9544ABS,118 can be used in a multi-master I2C bus system, as it has a built-in arbitration mechanism to prevent bus conflicts.
PCA9544ABS,118 can support up to 4 downstream I2C buses.
The PCA9544ABS,118 can drive I2C buses with capacitances up to 400 pF.
Yes, PCA9544ABS,118 has built-in ESD protection on the I2C bus pins, which can withstand electrostatic discharges up to 2 kV.

PCA9544ABS,118 datasheet preview Download Datasheet