TCA9539 Q1 Automotive Low Voltage 16 Bit I2C and SMBus Low Power I/O Expander with Interrupt Output
CROSS
FEATURES
• AEC-Q100 (Grade 1): Qualified for
automotive applications
• Functional Safety-Capable
Documentation available to aid in
functional safety system design
• I2C to parallel port expander
• Open-drain active-low interrupt output
• Active-low reset input
• 5 V tolerant input and output ports
• Compatible with most microcontrollers
• 400 kHz Fast I2C bus
• Polarity inversion register
• Internal power-on reset
• No glitch on power up
• Address by two hardware address
pins for use of up to four devices
• Latched outputs 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