2 Channel I2C bus Multiplexer, PI4MSD5V9540 Replace PCA9540.
PI4MSD5V9540
PI4MSD5V9540.pdf
FEATURES
? 1-of-2 bidirectional translating multiplexer
? I2C-bus interface logic; compatible with SMBus standards
? Operating power supply voltage range of 1.65V to 5.5
? 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 I2C-bus
? Power-up with all multiplexer channels deselected
? No glitch on power-up
? Supports hot insertion
? 5V tolerant inputs
? 0 Hz to 400 kHz clock frequency
? ESD protection exceeds 2000V 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 (W8), MSOP (U8), TDFN2x3 (ZE8)
PIN CONFIGUTION

優(yōu)勢替代