4 Channel I2C bus Switch with Interrupt Logic and Reset, PI4MSD5V9545 Replace PCA9545.
PI4MSD5V9545
PI4MSD5V9545.pdf
FEATURES
? 1-of-4 bidirectional translating multiplexer
? I2C-bus interface logic; compatible with SMBus standards
? Operating power supply voltage range of 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 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 1000V CDM per JESD22-C101
? Latch-up testing is done to JEDEC Standard JESD78
which exceeds 100 mA
? Packages offered: SOIC (S20), TSSOP (L20)
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
? Active-Low Reset Input
? Two Address Terminals, Allowing up to Four
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 JESD 78
? ESD Protection Exceeds JESD 22
– 2000-V Human-Body Model (A114-A)
– 1000-V Charged-Device Model (C101)
PIN CONFIGUTION
