PCA9544A

 

 

• 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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