Low-voltage Translating 8-bit I2C-bus I/O Expander, PI4IOE5V6408 Replace TCA6408.
PI4IOE5V6408
PI4IOE5V6408.pdf
PI4IOE5V6408.pdfFEATURES
• Operation power supply voltage from 1.65V to 4.0V
• Allows bidirectional voltage-level translation and
GPIO expansion between:
1.8V SCL/SDA and 1.8V, 2.5V, 3.3V Port P
2.5V SCL/SDA and 1.8V, 2.5V, 3.3V Port P
3.3V SCL/SDA and 1.8V, 2.5V, 3.3V Port P
• Low standby current consumption:
• 1.5 μA typical at 3.3 VVDD
• 1MHz I2C-bus interface
• Compliant with the I2
C-bus Fast and Standard modes
C-bus Fast and Standard modes
• Programmable Pull-up/Pull-down Resistors for GPIO
Inputs
• Software Reset
• Active LOW open-drain interrupt output
• Low standby current
• Latch-up tested (exceeds 100mA)
• 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): 16-Pin, UQFN1.8 x2.6
PIN CONFIGUTION
优势替代
FEATURES
• I2C to Parallel port expander
• Operating power-supply voltage range of 1.65 V
to 5.5 V
• Allows bidirectional voltage-level translation and
gpio expansion between 1.8-V, 2.5-V, 3.3-V, and
5-V I2C bus and P-ports
• Low standby current consumption of 1 μA
• 5-V Tolerant I/O ports
• 400-kHz Fast I2C bus
• Hardware address pin allows two TCA6408A
Devices on the same I2C/SMBus bus
• Active-low reset ( RESET) input
• Open-drain active-low interrupt ( INT) output
• Input and output configuration register
• Polarity inversion register
• Internal power-on reset
• Power up with all channels configured as inputs
• No glitch on power up
• Noise filter on SCL and 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
• Schmitt-trigger action allows slow input transition
and better switching noise immunity at the SCL
and SDA inputs
• ESD Protection exceeds JESD 22
– 2000-V Human body model (A114-A)
– 1000-V Charged-device model (C101)
PIN CONFIGUTION
