TCA6424A,pdf(Low-Voltage 24-Bi

1FEATURES
? 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 SCL/SDA and
1.8-V, 2.5-V, 3.3-V, or 5-V P Port
– 2.5-V SCL/SDA and
1.8-V, 2.5-V, 3.3-V, or 5-V P Port
– 3.3-V SCL/SDA and
1.8-V, 2.5-V, 3.3-V, or 5-V P Port
– 5-V SCL/SDA and
1.8-V, 2.5-V, 3.3-V, or 5-V P Port
? I
2
C to Parallel Port Expander
? Low Standby Current Consumption of 1 mA
? Schmitt-Trigger Action Allows Slow Input
Transition and Better Switching Noise
Immunity at the SCL and SDA Inputs
? Polarity Inversion Register
? Internal Power-On Reset
? 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)