PicoMite VGA

Author	Message
Mixtel90 Guru Joined: 05/10/2019 Location: United Kingdom Posts: 9022	Posted: 07:45am 28 Sep 2022       Ah - it may have internal forward-biased diodes to VCC and you are seeing leakage. You'd be better using a simple BS170, 2N7000 or similar MOSFET on each output, driving the gate directly from the pin, then switching them on & off. You'll get a good open drain output then, at the expense of a bit of board space.