PI4MSD5V9544A - Pericom Semiconductor

PI4MSD5V9544A 4 Channel I2C bus Multiplexer

Description The PI4MSD5V9544A is a 1-of-4 bidirectional translating multiplexer, controlled via the I2C bus. The SCL/SDA upstream pair fans out to four SCx/SDx downstream pairs, or channels. Pin Configuration TSSOP20 Pin No Pin Name Type Description 1 A0 Input address input 0 2 A1 Input address input 1 3 A2 Input address input 2 4 INT0 Input active .

Features

 1-of-4 bidirectional translating multiplexer
 I2C-bus interface logic;
 Operating power supply voltage :1.65 V to 5.5 V
 Allows voltage level translation between 1.2V, 1.8V,2.5 V, 3.3 V and 5 V buses
 Low standby current
 Low Ron switches
 Channel selection via I2C bus
 Power-up with all multiplexer channels deselected
 Capacitance isolation when channel disabled
 No glitch on power-up
 Supports hot insertion
 5 V tolerant inputs
 0 Hz to 400 kHz clock frequency
 ESD protection exceeds 8000 V HBM per JESD22- A114, and 1000 V CDM per JESD22-C101
 Latch-up testing is done to JEDE.