74LS74 Dual D-Type Positive Edge-Triggered Flip-Flop IC (DIP-14)

Functionally similar to the CD4013, the 74LS74 performs the same basic D-type flip-flop job of storing one bit and updating it on a clock edge, but belongs to the faster-switching 74LS TTL logic family rather than the CD4000 CMOS family. That makes it the natural choice when the rest of a project's logic is already built from 74-series chips like the 74LS00 or 74LS08, keeping voltage levels and switching speeds consistent across the whole circuit rather than mixing logic families. Its positive edge-triggered behavior gives predictable, glitch-resistant timing for shift registers, frequency dividers, and other sequential circuits built entirely from 74-series TTL logic chips.