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PI4MSD5V9543A

Pericom Semiconductor
Part Number PI4MSD5V9543A
Manufacturer Pericom Semiconductor
Description 2 Channel I2C bus switch
Published Aug 29, 2016
Detailed Description PI4MSD5V9543A ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||...
Datasheet PDF File PI4MSD5V9543A PDF File

PI4MSD5V9543A
PI4MSD5V9543A

Overview
PI4MSD5V9543A ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 2 Channel I2C bus switch with interrupt logic and Reset Features  1-of-2 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 JEDEC Standard JESD78 which exceeds 100 mA  Packages offered: SOIC-14W,TSSOP-14L contents of the programmable control register.
Two upstream pair fans out to two downstream pairs, or the interrupt inputs, INT0 and INT1, one for each of the downstream pairs, are provided.
One interrupt output, INT, which acts as an AND of the two interrupt inputs, is provided.
An active LOW reset input allows the PI4MSD5V9543A to recover from a situation where one of the downstream buses is stuck in a LOW state.
Pulling the RESET pin LOW resets the I2C bus state machine and causes all the channels to be deselected, as does the internal power-on reset function.
The pass gates of the switches are constructed such that the VCC pin can be used to limit the maximum high voltage which will be passed by the PI4MSD5V9543A.
This allows the use of different bus voltages on each SCx/SDx pair, so that 1.
2V,1.
8 V, 2.
5 V, or 3.
3 V parts can communicate with 5 V parts without any additional protection.
External pu...


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