Datasheet PI4IOE5V9554 (Diodes)

PI4IOE5V9554/9554A 8-bit I2C-Bus and SMBus I/O Port with Interrupt Features
 Operation Power Supply Voltage from 2.3V to 5.5 V
Description
 8-bit I2C-bus GPIO with Interrupt and Reset The PI4IOE5V9554 and PI4IOE5V9554A provide 8 bits of  5V Tolerant I/Os general purpose parallel input/output (GPIO) expansion for I2C-bus/SMBus applications. The device includes features  Polarity Inversion Register such as higher driving capability, 5V tolerance, lower power  Active LOW Interrupt Output supply, individual I/O configuration, and smaller packaging. It  Low Current Consumption provides a simple solution when additional I/O is required for  0Hz to 400KHz Clock Frequency ACPI power switches, sensors, push buttons, LEDs, fans, etc.  Noise Filter on SCL/SDA Inputs The PI4IOE5V9554/PI4IOE5V9554A consists of an 8-bit  Power-on Reset register to configure the I/Os as either inputs or outputs and  ESD Protection (4KV HBM and 1KV CDM) an 8-bit polarity register to change the polarity of the input port register data. The data for each input or output is kept in 
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
the corresponding input port or output port register. Al 
Halogen and Antimony Free. “Green” Device (Note 3)
registers can be read by the system master. 
For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/200, PPAP
The PI4IOE5V9554/PI4IOE5V9554A open-drain interrupt
capable, and manufactured in IATF 16949 certified
output is activated and indicates to the system when any input
facilities), please contact us o r your local Diodes
state has changed. The power-on reset sets the registers to
representative.
their default values and initializes the device state machine.
https://www.diodes.com/quality/product-definitions/
Three hardware pins (A0, A1, A2) vary the fixed I2C-bus  Offered in Three Different Packages: address and allow up to eight devices to share the same I2C- bus/SMBus. The PI4IOE5V9554A is identical to the  TSSOP-16 and TQFN 3x3-16 PI4IOE5V9554 except the fixed I2C-bus address is different, al owing up to sixteen of these devices (eight of each) on the same I2C-bus/SMBus.
Pin Configuration
TQFN Figure 1: TSSOP-16 ( Top View ) Figure 2: TQFN 3x3-16 ( Top View )

Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. PI4IOE5V9554/ PI4IOE5V9554A
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November 2019 Document Number DS40769 Rev 3 - 2 1

© Diodes Incorporated Document Outline — Supply Voltage fSCL = 400kHz Supply Current — VI = GND fSCL = 0kHz I/O = inputs Standby Current VI = VCC fSCL = 0kHz I/O = inputs Power-on Reset Voltage[1]