8-Bit I2C-Bus and SMBus Low Power I/O Port with Interrupt and Reset, PI4IOE5V9538 Replace NXP PCA9538.
PI4IOE5V9538
PI4IOE5V9538.pdf
PI4IOE5V9538.pdfFEATURES
• Operation Power Supply Voltage from 2.3V to 5.5V
• 8-bit I2
C-bus GPIO with Interrupt and Reset
C-bus GPIO with Interrupt and Reset
• 5V Tolerant I/Os
• Active Low Interrupt Output
• Active Low Reset Input
• Polarity Inversion Register
• 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
• Packaging (Pb-free & Green available):
TSSOP-16 (L)
TQFN 4x4-16 (ZY)
PIN CONFIGUTION
优势替代
FEATURES
• I2C-bus to parallel port expander
• Operating power supply voltage range of 1.65 V
to 5.5 V
• Low standby current consumption:
• 1.5 A (typical at 5 V VDD)
• 1.0 A (typical at 3.3 V VDD)
• Schmitt-trigger action allows slow input transition
and better switching noise immunity
at the SCL and SDA inputs
• Vhys = 0.10 VDD (typical)
• 5 V tolerant I/Os
• Active LOW reset input (RESET)
• Open-drain active LOW interrupt output (INT)
• 400 kHz Fast-mode I2C-bus
• Internal power-on reset
• Power-up with all channels configured as inputs
• No glitch on power-up
• Latched outputs with 25 mA drive maximum capability
for directly driving LEDs
• Latch-up performance exceeds 100 mA per JESD78, Class II
• ESD protection exceeds JESD22
• 2000 V Human Body Model (A114-A)
• 1000 V Charged-Device Model (C101)
• Packages offered: TSSOP16 and HVQFN16
PIN CONFIGUTION
