8 Channel I2C Bus Switch with Reset, PI4MSD5V9548 Replace TCA9548.
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-to-8 Bidirectional translating switches
? I2C Bus and SMBus compatible
? Active-low reset input
? Three address pins, allowing up to eight
TCA9548A devices on the I2C bus
? Channel selection through an I2C Bus, in any
combination
? Power up with all switch channels deselected
? Low RON switches
? Allows voltage-level translation between 1.8V,
2.5V, 3.3V, and 5V buses
? No glitch on power up
? Supports hot insertion
? Low standby current
? Operating power-supply voltage range of
1.65V to 5.5V
? 5-V Tolerant inputs
? 0 to 400kHz Clock frequency
? Latch-up performance exceeds 100mA Per JESD
78, class II
? ESD Protection exceeds JESD 22
– ±2000V Human-body model (A114-A)
– 200V Machine model (A115-A)
– ±1000V Charged-device model (C101)
PIN CONFIGUTION
