2 Channel I2Cbus Multiplexer with interrupt logic, PI4MSD5V9542 Replace PCA9542.
PI4MSD5V9542
PI4MSD5V9542.pdf
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, 1.8 V,
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
PIN CONFIGUTION

优势替代