This is a representation of EveryCircuit’s counter chip.
Function-wise, the counter chip in the simulator is based off of the 74193 chip in the real world (hence the part number in this circuit’s title), but with rising-edge inputs where falling-edge inputs should be irl.
Only the ground sources, LEDs, their series resistors, and logic sources are external components; the rest of the components (including capacitors) make up the chip itself.
Relay version by @Yasunari: http://everycircuit.com/circuit/5205357487718400
Logic sources and LEDs:
UP DOWN
1 A
2 B
4 C
8 D
CLK RST
Carry Borrow
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