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
優勢替代
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
