4 Channel I2C bus Switch with Reset, PI4MSD5V9546 Replace PCA9546.
PI4MSD5V9546
PI4MSD5V9546.pdf
PI4MSD5V9546.pdfFEATURES
• 1-of-4 bidirectional translating multiplexer
• I2C-bus interface logic; compatible with SMBus standards
• Operating power supply voltage range of 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/SMBus
• Power-up with all multiplexer channels deselected
• 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-16W,TSSOP-16L, TQFN4*4-16ZY
PIN CONFIGUTION
CROSS
FEATURES
• 1-of-4 Bidirectional Translating Switches
• I2C Bus and SMBus Compatible
• Active-Low Reset Input
• Three Address Pins, Allowing up to Eight PCA9546A
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
