(2PC) DM74LS109N OR SN74LS109N Dual J-K Positive-Edge-Triggered Flip-Flop Dip-16 Dual J-K Positive-Edge-Triggered Flip-Flop 16-Pin Dip. Trigger Type Positive Edge. Function Set(Preset) and Reset. Part Status Obsolete. Base Part Number 74LS109. Current - Output High, Low 400µA, 8mA. byJuly 5, 2026