8 Channel I2C Bus Switch with Reset, PI4MSD5V9548 Replace PCA9548.
PI4MSD5V9548
PI4MSD5V9548.pdf
PI4MSD5V9548.pdfFEATURES
• 1-of-8 bidirectional translating switch
• I2C-bus interface logic
• Operating power supply voltage from 1.65V to 5.5V
• Allows voltage level translation between 1.2V, 1.8V,
2.5 V, 3.3 V and 5 V buses
• Low standby current
• Low Ron switches
• Active LOW reset input
• Channel selection via I2C bus
• Power-up with all switches 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-24L,TQFN-24ZD
PIN CONFIGUTION
CROSS
FEATURES
• 1-of-8 Bidirectional Translating Switches
• I2C Bus and SMBus Compatible
• Active-Low Reset Input
• Three Hardware Address Pins for Use of up to
Eight PCA9548A 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-V Tolerant Inputs
• 0-kHz to 400-kHz Clock Frequency
• Latch-Up Performance Exceeds 100 mA Per JESD
78, Class II
• 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
