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
优势替代
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
