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
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
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
