8-Bit I2C-Bus and SMBus Low Power I/O Port with Interrupt and Reset, PI4IOE5V9538 Replace TI PCA9538.
PI4IOE5V9538
PI4IOE5V9538.pdf
FEATURES
? 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
? Low standby current consumption of 1 μA max
? I2C to parallel port expander
? Open-drain active-low interrupt output
? Active-low reset input
? Operating power-supply voltage range of 2.3 V
to 5.5 V
? 5-V Tolerant I/O ports
? 400-kHz Fast I2C bus
? Two hardware address pins allow up to four
devices on the I2C/SMBus
? Input and output configuration register
? Polarity inversion register
? Power-up with all channels configured as inputs
? No glitch on power up
? Noise filter on SCL/SDA inputs
? Latched outputs with high-current drive maximum
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)
– 200-V Machine model (A115-A)
– 1000-V Charged-device model (C101)
PIN CONFIGUTION
