BUY 74LS73N https://www.utsource.net/itm/p/11721232.html

Description: The 74LS73N is a dual J-K flip-flop with individual J, K, clock, preset, and clear inputs. It has complementary outputs and an overriding asynchronous master reset. Features: Dual J-K Flip-Flop Individual J, K, Clock, Preset and Clear Inputs Complementary Outputs Overriding Asynchronous Master Reset High Speed Operation Low Power Consumption DIP Package Applications: Frequency Division Counters Shift Registers Data Storage Pattern Generators (For reference only)