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
優勢替代
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
