2018-5-22T0:7:17
2000-1-1T10:10:10
2000-1-1T10:10:10
2000-1-1T10:10:10
2000-1-1T10:10:10
2000-1-1T10:10:10
2000-1-1T10:10:10
2000-1-1T10:10:10
2000-1-1T10:10:10
2000-1-1T10:10:10
Q0,Q1,Q2,Q3 is Qa,Qb,Qc,Qd from TTL book
TC is RCO from TTL Book
CET CEP same as ENT ENP from TTL Book
P0 is DATA_A, P1 is DATA_B ... from TTL Book
PEn is LOADn from TTL Book