O latch SR pode ser implementado com duas portas NOR.
https://t.me/PLC_simulator/762
https://t.me/PLC_simulator/763
(Telegram)
https://www.linkedin.com/posts/cl%C3%A1udio-tim%C3%B3teo-84a503195_the-s-r-latch-teste-o-latch-s-r-em-circuito-activity-6997020114701180928-FgJ0?utm_source=share&utm_medium=member_android
(LinkedIn)