TC74HC109AFN — preset/clear & 2–6 V operation

TC74HC109AFN is a dual, positive-edge-triggered J-K flip-flop with asynchronous preset and clear for flexible timing control. Built on Toshiba HC CMOS, TC74HC109AFN supports 2–6 V rails and clean fan-out for counters, dividers, and state machines. The 16-lead surface-mount package fits dense digital boards, while HC-class speed keeps transitions crisp. Choose TC74HC109AFN when you need reliable toggle or divide-by-two functions with simple glue logic. Florida Circuit supplies TC74HC109AFN from vetted sources with RoHS-compliant stock on request. Ready to buy TC74HC109AFN or compare crosses? Request a fast U.S. quote for pricing, availability, and shipping today.