This part is a kind of semiconductor called 74LS76A.
Function of this product has DUAL JK FLIP-FLOP.
Manufacturers : Motorola
Image and pinout :
Some of the text within the PDF file :
DUAL JK FLIP-FLOP WITH SET AND CLEAR The SN54 / 74LS76A offers individual J, K, Clock Pulse, Direct Set and Direct Clear inputs. These dual flip-flops are designed so that when the clock goes HIGH, the inputs are enabled and data will be accepted. The Logic Level of the J and K inputs will perform according to the Truth Table as long as minimum set-up times are observed. Input data is transferred to the outputs on the HIGH-to-LOW clock transitions. SN54/74LS76A DUAL JK FLIP-FLOP WITH SET AND CLEAR LOW POWER SCHOTTKY MODE SELECT TRUTH TABLE INPUTS OUTPUTS OPERATING MODE SD CD J K Q Q Set Reset (Clear) *Undetermined Toggle Load “0” (Reset) Load “1” (Set) Hold LHXXHL HLXXLH L L XXHH HHh h q q HH l h LH HHh l HL HH l l qq *Both outputs will be HIGH while both [ ... ]