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#X text 197 -90 1 clears counter;
#X text 285 204 20070314_MartinPeach;
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#X obj 9 -89 metro 100;
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#X obj 160 -55 tgl 15 1 empty empty carry_in 17 7 0 10 -44926 -258699
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#X text 32 -155 cd4516 emulates the CMOS binary up/down counter;
#X text 271 -1 0 to 1 transition on clock counts if reset = 0 and preset_enable
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#X obj 271 163 tgl 15 0 empty empty Q4 17 7 0 10 -24198 -258699 -1
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#X obj 314 163 tgl 15 0 empty empty carry_out 17 7 0 10 -62784 -258699
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#X obj 123 108 cd4516 up down counter;
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