2 Channel I2C bus switch with interrupt logic and Reset, PI4MSD5V9543 Replace PCA9543.
PI4MSD5V9543
PI4MSD5V9543.pdf
PI4MSD5V9543.pdfFEATURES
? 1-of-2 bidirectional translating multiplexer
? I?C-bus interface logic
? Operating power supply voltage:1.65V to 5.5V
? Allows voltage level translation between 1.2V, 1.8V,
2.5V, 3.3V and 5V buses
? Low standby current
? Low Ron switches
? Channel selection via I?C bus
? Power-up with all multiplexer channels deselected
? Capacitance isolation when channel disabled
? No glitch on power-up
? Supports hot insertion
? 5V tolerant inputs
? 0 Hz to 400 kHz clock frequency
? ESD protection exceeds 8000 V HBM per JESD22-A114,
and 1000V 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
優勢替代
FEATURES
? 1-of-2 Bidirectional Translating Switches
? I2C Bus and SMBus Compatible
? Two Active-Low Interrupt Inputs
? Active-Low Interrupt Output
? Active-Low Reset Input
? Two Address Pins Allowing up to Four PCA9543A
Devices on the I2C Bus
? Channel Selection Via I2C Bus, in Any Combination
? Power-up With All Switch Channels Deselected
? Low RON 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 JESD78
? ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 1000-V Charged-Device Model (C101)
PIN CONFIGUTION
