16-Bit I2C-Bus and SMBus I/O Port with Interrupt, PI4IOE5V9555 Replace CAT9555.
PI4IOE5V9555
PI4IOE5V9555.pdf
PI4IOE5V9555.pdfFEATURES
• 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
CROSS
FEATURES
• 400 kHz I2C Bus Compatible
• 2.3 V to 5.5 V Operation
• Low Stand−by Current
• 5 V Tolerant I/Os
• 16 I/O Pins that Default to Inputs at Power−up
• High Drive Capability
• Individual I/O Configuration
• Polarity Inversion Register
• Active Low Interrupt Output
• Internal Power−on Reset
• No Glitch on Power−up
• Noise Filter on SDA/SCL Inputs
• Cascadable up to 8 Devices
• Industrial Temperature Range
• 24−lead SOIC and TSSOP, and 24−pad TQFN (4 x 4 mm)
Packages
• These Devices are Pb−Free, Halogen Free/BFR Free and
are RoHS Compliant
PIN CONFIGUTION
