#74LS109

Description: Dual JK Flip-Flop, Set & Reset

Datasheet: http://www.ti.com/lit/gpn/sn74LS109

Pinout:

     +-----------+
~{R} |[ 1]   [16]| VCC
   J |[ 2]   [15]| ~{R}
~{K} |[ 3]   [14]| J
   C |[ 4]   [13]| ~{K}
~{S} |[ 5]   [12]| C
   Q |[ 6]   [11]| ~{S}
~{Q} |[ 7]   [10]| Q
 GND |[ 8]    [9]| ~{Q}
     +-----------+