16-bit I2C-bus and SMBus low power I/O port with interrupt and reset, PI4IOE5V9539 Replace TI PCA9539.
PI4IOE5V9539
PI4IOE5V9539.pdf
PI4IOE5V9539.pdfFEATURES
? Operation power supply voltage from 2.3V to 5.5V
? 16-bit I2C-bus GPIO with interrupt and reset
? 5V tolerant I/Os
? Polarity inversion register
? Active LOW interrupt output
? Active LOW reset input
? Low current consumption
? 0Hz to 400KHz clock frequency
? Noise filter on SCL/SDA inputs
? Power-on reset
? ESD protection (4KV HBM and 1KV CDM)
? Offered in two different packages: TSSOP-24 and
TQFN 4x4-24
PIN CONFIGUTION
優(yōu)勢替代
FEATURES
? Low standby-current consumption of 1 μA max
? I2C to Parallel port expander
? Open-drain active-low interrupt output
? Active-low reset input
? 5-V Tolerant I/O ports
? Compatible with most microcontrollers
? 400-kHz Fast I2C Bus
? Polarity inversion register
? Address by two hardware address pins for use of
up to four devices
? 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)
– 1000-V Charged-device model (C101)
PIN CONFIGUTION
