74HC
----

(1G)00,(1G)02,03,(2GU)04,(T)05,(1G)08	portes
10,11,(2G)14,20,21,27,30,(1G)32		portes
2G34,42,73,74,75,85,(1G)86,93	Buffer,BCD,JK,D,CMP,XOR,Counter

109,123,(1G)125,(1G)126,132	JK,mono,buffer,nand trig
138,139,151,153,154,157,158	mux,dmux
161,163,164,165,166 		preset cnt,registres
173,174,175,191,193,194 	D-edge,up down cnt,registre

221,237,238,240,241,244,245 	monostable,dmux,buffers
251,253,257,259,273,280,283,299	mux,latch,registre,parity,add,registre

365,366,367,368 		buffers
373,374,377,390,393,423 	latch,registre,dual cnt,monostable

540,541,573,574,594,595,597,670,688  buffer,latch,D,registre,cmp

40103,4017,4024,4040,4046,4049,4050	cnt,pll,buffers
4051,4052,4053,4060,4066,1G66,4067,4094	analog mux,cnt,switch,registre

4351,4851,4514,4520,4538,7014		analog mux,dmux,cnt,mono,Buffer