THIS SECTION IS UNDER CONSTRUCTION Ïîñëåäîâàòåëüíî-ïàðàëåëüíûé ðåðèñòð Êîëüöåâîé ñ÷åò÷èê Êîëüöåâîé ñ÷åò÷èê (Ring counter) Ñ÷åò÷èê Äæîíñîíà