Time Domain Comparator 目前的方式

 

目前電路的想法

1. Time Domain Comparator 整體電壓改高

2.改成1級
2級 3 級 standard cell 來去做嘗試

FF corner osciliation is work  ( VCDL*7)

IDEAL VCDL wave need to discharge more quicker and Charge also too 

but FS corner in practical is more wider and discharge rate more slow