74LS109AN
Dual J-K Flip-Flop, ALS, 16-Pin DIP, 80MHz
Integrated Circuit TTL 74LS109/74LS109APC FAIRCHILD LS
Integrated Circuit TTL 74ALS109/74ALS109AN PHILIPS ALS
J-K Flip-Flop, 2-Func, Positive Edge Triggered, TTL, PDIP16,
Commercial 5V 16-Pin DIP J-K Flip-Flop IC
74LS169AN