PI4IOE5V6408 Low-voltage translating 8-bit I2C-bus I/O Expander Features Description PI4IOE5V6408 www.diodes.com January 2018 Document Number DS40583 Rev 1-2 Diodes Incorporated 1 PI4IOE5V6408 Pin Configuration Fig 1. UQFN Top View Pin Description Table 1: Pin Description Pin Name Pin No. Description INT 1 Active-low interrupt output. Connect to V through a pull-up resistor. DD(I2C bus) V 2 Supply voltage of PI4IOE5V6408 GPIO-port DD(P) P7 3 GPIO-port input/output (push-pull design structure). At power on, P7 is configured as an input. P6 4 GPIO-port input/output (push-pull design structure). At power on, P6 is configured as an input. P5 5 GPIO-port input/output (push-pull design structure). At power on, P5 is configured as an input. P4 6 GPIO-port input/output (push-pull design structure). At power on, P4 is configured as an input. P3 7 GPIO-port input/output (push-pull design structure). At power on, P3 is configured as an input. P2 8 GPIO-port input/output (push-pull design structure). At power on, P2 is configured as an input. ADDR 9 Address input. Connect directly to V or ground. DD(I2C bus) Active-low reset input. Connect to V through a pull-up resistor, if no active connection is DD(I2C bus) RESET 10 used. P1 11 GPIO-port input/output (push-pull design structure). At power on, P1 is configured as an input. P0 12 GPIO-port input/output (push-pull design structure). At power on, P0 is configured as an input. SCL 13 Serial clock bus. Connect to V through a pull-up resistor. DD(I2C bus) SDA 14 Serial data bus. Connect to V through a pull-up resistor. DD(I2C bus) 2 V 15 Supply voltage of I C bus. DD(I2C bus) GND 16 Ground PI4IOE5V6408 www.diodes.com January 2018 Document Number DS40583 Rev 1-2 Diodes Incorporated 2