8-bit I2C-Bus and SMBus I/O Port with Interrupt, PI4IOE5V9554 Replace Ti PCA9536.
PI4IOE5V9554 PI4IOE5V9554.pdf
FEATURES

• Operation Power Supply Voltage from 2.3V to 5.5 V

• 8-bit I2
C-bus GPIO with Interrupt and Reset
 5V Tolerant I/Os
 Polarity Inversion Register
 Active LOW Interrupt Output
 Low Current Consumption
 0Hz to 400KHz Clock Frequency
 Noise Filter on SCL/SDA Inputs
 Power-on Reset
 ESD Protection (4KV HBM and 1KV CDM)
 Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
 Halogen and Antimony Free. “Green” Device (Note 3)
 For automotive applications requiring specific change
  control
• Offered in Three Different Packages:
  TSSOP-16 and TQFN 3x3-16





PIN CONFIGUTION
CROSS
TI PCA9554 TI PCA9554.pdf

No.14257

FEATURES

• I2C to Parallel Port Expander

• Open-Drain Active-Low Interrupt Output
• Operating Power-Supply Voltage Range of 2.3 V 
  to 5.5 V
• 5-V Tolerant I/Os
• 400-kHz Fast I2C Bus
• Three Hardware Address Pins Allow up to Eight
  Devices on the I2C/SMBus
• Input/Output Configuration Register
• Polarity Inversion Register
• Internal Power-On Reset
• Power-Up With All Channels Configured as Inputs
• No Glitch On Power Up
• Latched Outputs With High-Current Drive
  Maximum Capability for Directly Driving LEDs
• Latch-Up Performance Exceeds 100 mA Per JESD
  78, Class II
• ESD Protection Exceeds JESD 22
  – 2000-V Human-Body Model (A114-A)
  – 200-V Machine Model (A115-A)
  – 1000-V Charged-Device Model (C101)
PIN CONFIGUTION
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