8-Bit I2C-Bus and SMBus I/O Port with Reset, PI4IOE5V9557 Replace PCA9557.
PI4IOE5V9557
PI4IOE5V9557.pdf
PI4IOE5V9557.pdfFEATURES
? Operation power supply voltage from 2.3V to 5.5V
? 8-bit P-C-bus GPIO with interrupt and reset
? 5V tolerant I/Os
? Polarity inversion register
? Active LOW Reset Pin
? Low current consumption
? OHz 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)
PIN CONFIGUTION
優(yōu)勢替代
FEATURES
? Low standby current consumption of 1μA maximum
? I2C to parallel port expander
? Operating power-supply voltage range of 2.3V to
5.5V
? 5V Tolerant I/O ports
? 400kHz Fast I2C bus
? Three hardware address pins allow for use of up to
eight devices on I2C/SMBus
? Lower-voltage higher-performance migration path
for PCA9556
? Input and output configuration register
? Polarity inversion register
? Active-low reset input
? Internal power-on reset
? High-impedance open drain on P0
? Power up with all channels configured as inputs
? No glitch on power up
? Noise filter on SCL or SDA inputs
? Latched outputs with high current drive maximum
capability for directly driving LEDs
? Latch-up performance exceeds 100mA per JESD
78, class II
? ESD protection exceeds JESD 22
– 2000V Human-body model (A114-A)
– 200V Machine model (A115-A)
– 1000V Charged-device model (C101)
PIN CONFIGUTION
