Labels:text | screenshot | diagram | font | plan | map OCR: GROUND VCC DATA IN B 16 VCC TRIGGER DISCHAGE DATA OUT QB DATA IN A NE555 OUTPUT THRESHOLD DATA OUT QA CLOCK RESET 5 CONTROL VOLTAGE ENABLE RIPPLE CLOCK 74L$190 UP/DOWN MAX/MIN DATA OUT QC LOAD DATA OUT QD DATA IN C 19 DATA IN D