Part Number Description Max frequency (kHz) Vcc Range(V) Chnnel width Interrupt Reset Simulta neously active channels 5V-to lerant I/O Push-pull Open-drain Cross Reference Pin/Package

AT9545A 4-channel I 2 C-bus switch with interrupt logic and reset 400 2.3~5.5 4 channel 1~4 PCA9545A SOP20 TSSOP20 QFN20
AT9548A 8-channel I2C bus switch with reset 400 2.3~5.5 8 channel 1~8 PCA9548A SOP24 TSSOP24 QFN24
AT9546A 400 2.3~5.5 4 channel 1~4 PCA9546A TSSOP 16
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