MC4328 MOTOROLA | Alldatasheet
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Technical content
This family of fast adders is designed for use in CONDENSED TRUTH TABLE FOR THE Nth STAGE parallel look-shead carry adder applications where Fanon high-speed addition is required. The dependent- a) e) on fiz pays | 6 ; carry fast adders have @ Carry output that is de- sacaisoraus0 | MOASIaIATze pendent upon the two input bits for that stage al ag, | MERE | MEARE formes] | plus the Carry input from all previous stages. The a Soot) au Sout out mores Carry output from the MC4330/31 is independent o fe} 8 oT 8 ° ° ° c rey E LETT TEPEL : UG orate cary from eee s|[o| 8 f fo A 8 ° sie] 8 iis ° 8 8 ° 8 | 8 8 8 A A 8 | 8 8 8 8 $ s[s A 8 8 3
3 A 3 8 :
° A 8 8 ° ° 7 ° ° ; A ; A 8 : 3 3 : 3 3 : 8 Input Loading Factor ° © 7 - Qin, A. B=2 HHEGEES 3 Pile [i dl Orne Cin ine ene cd 2 o 2 Output Loading Factor: 8 8 A ° MC4328, MC4330 = 15 MTTL | Loads 8 ° Hy 3 Mc4329, MC4331 = 7 MTTL I Loads * a Mc4028, MC4030 = 12 MTTL | Loads
2 Lf 3 Total Power Dissipation = 125 mW typ/pkg
Li : a Pi del anenanlenN + 1 2 “ Carry Delay = 13 ns typ Storession Uy 1 © By MEam in 21) Moreaian Ay} By Ae 2 OBy In a Note 3 > Don't Cate. The “Don't Care’ occurs tor the MC4330 31/4030 31 only, because the Cy and ne Oy DEPENDENT-CARRY FAST ADDER INDEPENDENT-CARRY FAST ADDER c4328/4028, MC4329/4029 Mic4330/4030, MC4331/4031 @in2 1 pas ina 1 i re | Cing 14 BD | Cing 14 D i I Cigy 14 {> Cia 11 tl I x13 x13 ! x22 x2 2 atsSss bess555555s25 r ae H wi " 1 orf > > sat Fee cou [4 obey naa (D an — ie co 1 1 1 ) + 6 Gout ' ) +t © our ] ) >_> 5 su I ) >» 5s suM I cae i ce ' amt ' mt Vee = PIN4 Vee = PINS GNO = PIN 10 GND = PIN 10 115