Time based clock generator using crystal for digital

This is a clock generator that high accuracy, in square ware as time base for various digital circuits, by MM5369,CD4017 and crystal. Which output are 60Hz,1Hz and 1/60Hz. How this circuit works As circuit is shown in Figure 1 The output frequencies have feature for 60 Hertz, 1 Hertz and 1/60 Hertz. Which convenient for [...]