DIY Eurorack Builds

4013 Dual Flip-Flop

Dual D-type flip-flop / clock divider ยท Isaac Beers

MakerIsaac Beers
TypeDual D-type flip-flop / clock divider
MountingMixed
Width4 HP
LicenseProprietary (No licence published)
Difficulty ๐Ÿ”ฅ SMD (0805)
4013 Dual Flip-Flop module
Photo: synthCube

Two independent 4013 D-type flip-flops with set, reset, clock and data inputs. Q is normalled to D on each, so a single clock into CLK divides by two for an easy sub-octave. Works at LFO, clock, or audio rate. 0805 SMD with through-hole panel parts. Around 79 USD assembled.

This is a third-party open-source design, listed here as a build reference. Specs are researched from public sources; check the source repo and store for the current BOM, panel, and revision before ordering parts. Corrections welcome.

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