PCA9509 repeater equivalent, level translating i2c-bus/smbus repeater.
* Bidirectional buffer isolates capacitance and allows 400 pF on port B of the device
* Voltage level translation from port A (1.35 V to VCC(B) 1.0 V) to port B.
where Port A VCC(A) is less than 1.35 V or Port B VCC(B) is less than 3.0 V, use drop-in replacement PCA9509A.
The bus p.
The PCA9509 is a level translating I2C-bus/SMBus repeater that enables processor low voltage 2-wire serial bus to interface with standard I2C-bus or SMBus I/O. While retaining all the operating modes and features of the I2C-bus system during the leve.
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