Alternatives jk flip-flop 74hc73a, 74ls107, 4027b where to use 7476 jk flip-flop the sn7476 is a dual in-line jk flip flop ic, ie it has two jk flip flops inside it and each can be used individually based on our application the term jk flip flop comes after its inventor jack kilby. Pin diagram of jk flip flop 7476. Pin diagram for jk flip flop 7476 abstract: jk flip flop 7476 7476 j-k flip-flop j-k flip-flop 7476 7476 pin diagram ci 7476 dn74ls76 7476 pin diagram input and output text: load circuit as above outputs !