4 Channel I2C bus Multiplexer with interrupt logic, PI4MSD5V9544 Replace PCA9544.
PI4MSD5V9544
PI4MSD5V9544.pdf
PI4MSD5V9544.pdfFEATURES
? 1-of-4 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: TSSOP-20L
PIN CONFIGUTION
優勢替代
FEATURES
? 1-of-4 Bidirectional translating switches
? I2C Bus and SMBus compatible
? Four active-low interrupt inputs
? Active-low interrupt output
? Three address pins, allowing up to eight devices
on the I2C Bus
? Channel selection via I2C Bus
? 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 JESD 78
? ESD Protection exceeds JESD 22
– 2000-V Human-body model (A114-A)
– 200-V Machine model (A115-A)
– 1000-V Charged-device model (C101)
PIN CONFIGUTION
