Look, mine is even smaller: 1x2x3 long 
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Seriously though, what you made isn't a T-FF, it's a T latch, otherwise known as a ticker with hold input. You still need an edge detector to drive it with any signal that isn't already a pulse. A suitable edge detector is also at least 1x2x4.
It's nice to have a short 1-wide silent T-latch though, there are none on the wiki. The only small 1-wide T-FF there is 8 long and uses 2 pistons (and the 0.5tick glitch). The smallest silent 1-wide there is humongous by current standards (T FlipFlop D).
Fixed it with a falling-edge-detector, so you can easily stack them to make a binary ripple counter. Incidentally, it also uses two hoppers.
.Seriously though, what you made isn't a T-FF, it's a T latch, otherwise known as a ticker with hold input. You still need an edge detector to drive it with any signal that isn't already a pulse. A suitable edge detector is also at least 1x2x4.
It's nice to have a short 1-wide silent T-latch though, there are none on the wiki. The only small 1-wide T-FF there is 8 long and uses 2 pistons (and the 0.5tick glitch). The smallest silent 1-wide there is humongous by current standards (T FlipFlop D).
Fixed it with a falling-edge-detector, so you can easily stack them to make a binary ripple counter. Incidentally, it also uses two hoppers.