16-Bit I2C-Bus and SMBus I/O Port with Interrupt, PI4IOE5V9555 Replace PCA9555.
PI4IOE5V9555
PI4IOE5V9555.pdf
FEATURES
• Operation Power Supply Voltage from 2.3V to 5.5V
• 16-bit I/O pins which can be programmed as Input
or Output
• 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)
• 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
• Offered in Two Different Packages: TSSOP-24 and
TQFN 4x4-24
PIN CONFIGUTION

优势替代
FEATURES
• Low Standby-Current Consumption of 1 μA Max
• I2C to Parallel Port Expander
• Open-Drain Active-Low Interrupt Output
• 5-V Tolerant I/O Ports
• Compatible With Most Microcontrollers
• 400-kHz Fast I2C Bus
• Address by Three Hardware Address Pins for Use
of up to Eight Devices
• Polarity Inversion Register
• Latched Outputs With High-Current Drive
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
