Open Drain max voltage | Cypress Semiconductor
Open Drain max voltage
On a PRoC BLE, we can configure a GPIO in Open Drain, pulls low. What is the maximum voltage we can put on the pin and sink?
E.g. if VCC is 1.8V, can we sink a 3.3V LED? The electrical characteristics mentions one thing to do with GPIOs - a tolerance of +0.5V, and as a digital input I can see why that would be, but how about as an Open Drain?