8-Bit I2C-Bus and SMBus Low Power I/O Port with Interrupt and Reset, PI4IOE5V9538 Replace TI 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
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
• 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
