Patent ID: 8589833

Claim:
A method of selecting a collection of logic cells that each implement a Boolean Logic Function using a computer, said method including: selecting, using said computer, at least four simple cells from the group that consists of logic cells (1)-(72) below: (1) A&B; (2) A&B&C; (3) A&B&C&D; (4) A&B+C; (5) A&B+C&D; (6) A&B&C+D; (7) A&B&C+D&E; (8) A&B&C+D&E&F (9) A&B+C+D; (10) A&B+C&D+E; (11) A&B+C&D+E&F; (12) A&B&C+D+E (13) A&B&C+D&E+F; (14) !(A&B+C); (15) !(A&B&C+D); (16) !(A&B+C&D); (17) !(A&B&C+D); (18) !(A&B&C+D&E); (19) !(A&B&C+D&E&F); (20) !(A&B+C+D); (21) !(A&B+C&D+E); (22) !(A&B+C&D+E&F); (23) !(A&B&C+D+E); (24) !(A&B&C+D&E+F); (25) (A&B+C)&D; (26) ((A+B)&C)+D; (27) !((A&B+C)&D); (28) !(((A+B)&C)+D); (29) A&!B+C&B; (30) !A&!B+C&B; (31) A&!B&!C+D&B&!C+E&!B&C; (32) A&!B&!C+D&B&!C+E&!B&C+F&B&C; (33) !(A&!B+C&B). (34) !(A&!B&!C+D&B&!C+E&!B&C); (35) !(A&!B&!C+D&B&!C+E&!B&C+F&B&C); (36) !(A&B); (37) !(!A&B); (38) !(A&B&C); (39) !(!A&B&C); (40) !(A&B&C&D); (41) !(!A&!B&C&D); (42) !(A+B); (43) !(!A+B); (44) !(A+B+C); (45) !(!A+B+C); (46) !(A+B+C+D); (47) !(!A+!B+C+D); (48) (A+B)&C; (49) (A+B)&(C+D); (50) (A+B+C)&D; (51) (A+B+C)&(D+E); (52) (A+B+C)&(D+E+F); (53) (A+B)&C&D; (54) (A+B)&(C+D)&E; (55) (A+B)&(C+D)&(E+F); (56) (A+B+C)&D&E; (57) !(A&(B+C)); (58) !(A&(B+C+D)); (59) !((A+B)&(C+D)); (60) !((A+B+C)&D); (61) !((A+B+C)&(D+E)); (62) !((A+B+C)&(D+E+F)); (63) !((C+D)&A&B); (64) !((A+B)&C&(D+E)); (65) !((A+B)&(C+D)&(E+F)); (66) !((A+B+C)&D&E); (67)A+B 68 A+B +C 69 A+B+C+D; (69) A&B+!A&!B; (70) !A&!B&!C+A&B&!C+A&!B&C+!A&B&C; (71) A&!B+!A&B; and, (72) A&!B&!C+!A&B&!C+!A&!B&C+A&B&C; and; selecting, using said computer, a plurality of complex cells the group that consists of logic cells (i)-(xii) below: (i)((!D & A & B)+(!D & A & C)+(!D & B & C)+(!D & C) +(E & F)); (ii) ((!D & !E)+(!D & A & B)+(!D & B & C)); (iii) ((!C & A & F)+(!C & A & !E & !B)+(!C & F & !E & !B)+(!C & !E & !B) +(E & D & G)+(B & D & G)); (iv)((!D & A & B)+(!D & A & C)+(!D & B & C)+(!D & B)+(D & !A & !B)+(D & !B & !C)); (v) ((!D & !A)+(!D & B)+(!D & !C)+(!E & !A)+(!E & B)+(!E & !C)); (vi) ((E & D)+(A & C)+(B & C)); (vii) ((A & D)+(A & !B & !C)+(D & !B & !C)+(!B & !C)+(E & F)+(E & !G & !H)+(F & !G & !H)+(!G & !H)); (viii)((!D & !E & A & B)+(!D & !E & A & C)+(!D & !E & B & C)+(!D & !E & B)+(!D & E & !A & !B)+(!D & E & !B & !C)+(D & !E & !A & !B)+(D & !E & !B & !C) +(D & E & A & B)+(D & E & A & C)+(D & E & B & C)+(D & E & B)); (ix)((!F & C)+(!F & !E & !D & A)+(!F & !E & !D & B)+(!F & !E & A)+(!F & !E & B)+(!F & !D & A)+(!F & !D & B)+(C & E & D)+( C & E & !A & !B)+(C & D & !A & !B)+(C & !A & !B)); (x)((!D & !A & B)+(!D & A & !B)+(C & !A & !B)+( C & A & B)); (xi) ((!D & A & !B)+(!D & A & !C)+(!D & A)+(!D & !B & !C)+(!E & A & !B) +(!E & A & !C)+(!E & A)+(!E & !B & !C)); (xii) ((E & !A & !B)+(E & !A & !C)+(E & !B & !C)+(E & !C)+(E & !D)+(A & C & !D)+(B & C & !D)); wherein said complex cells are not formed from combination(s) of simple cells in said collection.