PI4MSD5V9543B Overview
Pin No Pin Name Type 1 A0 Input address input 0 2 A1 Input address input 1 TSSOP14 SOP14 The PI4MSD5V9543B is a bidirectional translating switch, controlled by the I2C bus. The SCL/SDA upstream pair fans out to two downstream pairs, or channels. Any individual SCx/SDx channels or bination of channels can be selected, determined by 3 RESET Input active LOW reset input
PI4MSD5V9543B Key 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
- 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
