PCA9546A Low Voltage 4-Channel I2C and SMBus Switch with Reset Function

1 Features

1-of-4 Bidirectional Translating Switches
I²C Bus and SMBus Compatible
Active-Low Reset Input
Three Address Pins, Allowing up to Eight PCA9546A Devices on the I²C Bus
Channel Selection Via I²C Bus, in Any Combination
Power-up With All Switch Channels Deselected
Low R_ON 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 Insertion
Low Standby Current
Operating Power-Supply Voltage Range of 2.3 V to 5.5 V
5.5 V Tolerant Inputs
0 to 400-kHz Clock Frequency
Latch-Up Performance Exceeds 100 mA Per JESD 78
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 1000-V Charged-Device Model (C101)