Remote 16-bit I/O Expander for Fm+ I2C-bus with Interrupt and Reset, PI4IOE5V9673 Replace PCA9673.
PI4IOE5V9673 PI4IOE5V9673.pdf
FEATURES

• Operation Power Supply Voltage from 2.3V to 5.5V

• 16-bit Remote I/O Pins that Default to Inputs at

  Power-up

• 1 MHz PC-bus Interface

• Compliant with the PC-bus Fast and Standard Modes

• 5.5V Tolerant I/Os

• SDA with 30 mA Sink Capability for 4000 pF Buses

• Latched Outputs with 25 mA Sink Capability for

  Directly Driving LEDs

• Total Package Sink Capability of 400 mA

• Active LOW Open-drain Interrupt Output

• Low Standby Current

• 16 Programmable Slave Addresses using 2 Address Pins

• ESD Protection (4KV HBM and 1KV CDM)

• Latch-up Tested (exceeds 100mA)

• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

• Halogen and Antimony Free. “Green” Device (Note 3)

• For automotive applications requiring specific change

  control 

• Packaging (Pb-free & Green): 24-Pin, TQFN 4x4 (ZD)

PIN CONFIGUTION
CROSS
PCA9673 PCA9673.pdf

No.14269

FEATURES

• 1 MHz I2C-bus interface

• Compliant with the I2C-bus Fast and Standard modes
• SDA with 30 mA sink capability for 4000 pF buses
• 2.3 V to 5.5 V operation with 5.5 V tolerant I/Os
• 16-bit remote I/O pins that default to inputs at power-up
• Latched outputs with 25 mA sink capability for directly 
  driving LEDs
• Total package sink capability of 400 mA
• Active LOW open-drain interrupt output
• 16 programmable slave addresses using 2 address pins
• Readable device ID (manufacturer, device type, and revision)
• Low standby current
• 40 C to +85 C operation
• ESD protection exceeds 2000 V HBM per JESD22-A114 and 
  1000 V CDM per JESD22-C101
• Latch-up testing is done to JEDEC standard JESD78 which 
  exceeds 100 mA
• Packages offered: SO24, TSSOP24, HVQFN24, DHVQFN24



PIN CONFIGUTION
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