PCA9544ABS - 4-channel IC multiplexer with interrupt logic - NXP Semiconductors
• 1-of-4 bi-directional translating multiplexer
• I
2C interface logic; compatible with SMBus
• 4 Active-LOW Interrupt Inputs
• Active-LOW Interrupt Output
• 3 address pins allowing up to 8 devices on the I2C-bus
• Channel selection via I2C-bus
• Power-up with all multiplexer channels deselected
• Low RdsON 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 stand-by current
• Operating power supply voltage range of 2.3 V to 5.5 V
• 5 V tolerant Inputs
• 0 to 400 kHz clock frequency
• ESD protection exceeds 2000 V HBM per JESD22-A114,
200 V MM per JESD22-A115 and 1000 V per JESD22-C101
• Latchup testing is done to JESDEC Standard JESD78 which
exceeds 100 mA
• Three packages offered: SO20, TSSOP20, and HVQFN20
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