8 Channel I2C Bus Switch with Reset, PI4MSD5V9548 Replace PCA9548.
PI4MSD5V9548
PI4MSD5V9548.pdf
FEATURES
? 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

優勢替代
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
