PCA9655E - Remote 16-bit I/O Expander
Pin Symbol SOIC24, TSSOP24 INT 1 AD1 2 AD2 3 IO0_0 4 IO0_1 5 IO0_2 6 IO0_3 7 IO0_4 8 IO0_5 9 IO0_6 10 IO0_7 11 VSS 12 IO1_0 13 IO1_1 14 IO1_2 15 IO1_3 16 IO1_4 17 IO1_5 18 IO1_6 19 IO1_7 20 AD0 21 SCL 22 SDA 23 VDD 24 WQFN24 22 23 24 1 2 3 4 5 6 7
Remote 16-bit I/O Expander for I2C Bus with Interrupt PCA9655E The PCA9655E provides 16 bits of General Purpose parallel Input / Output (GPIO) expansion through the I2C bus / SMBus.
The PCA9655E consists of two 8 bit Configuration (Input or Output selection); Input, Output and Polarity Inversion (active HIGH or active LOW operation) registers.
At power on, all I/Os default to inputs.
Each I/O may be configured as either input or output by writing to its correspond
PCA9655E Features
* VDD Operating Range: 1.65 V to 5.5 V
* SDA Sink Capability: 30 mA
* 5.5 V Tolerant I/Os
* Polarity Inversion Register
* Active LOW Interrupt Output
* Low Standby Current
* Noise Filter on SCL/SDA Inputs
* No Glitch on Power
* up
* Internal Power
* on
