74F182 Datasheet | National Semiconductor

Description The ’F182 is a high-speed carry lookahead generator It is generally used with the ’F181 or ’F381 4-bit arithmetic logic units to provide high-speed lookahead over word lengths of more than four bits Features Provides lookahead carries across a group of four ALUs Multi-level lookahead high-speed arithmetic operation over long word lengths Guaranteed 4000V minimum ESD protection mercial 74F182PC Military Package Number N16E Package Description 16-Lead (0 300 Wide) Molded Dual-In-Line 16-Lead Ceramic Dual-In-Line 16-Lead (0 300 Wide) Molded Small Outline EIAJ 16-Lead Cerpack 20-Lead Ceramic Leadless Chip Carrier Type C 54F182DM (Note 2) 74F182SJ (Note 1) 54F182FM (Note 2) 54F182LM (Note 2) J16A M16D W16A E20A Note 1 Devices also available in 13 reel Use suffix e SCX and SJX Note 2 Military grade device with environmental and burn-in processing Use suffix e DMQB FMQB and LMQB Logic Symbols IEEE IEC Connection Diagrams Pin Assignment for DIP SOIC and Flatpak Pin Assignment for LCC TL F 9492 - 1 TL F 9492 - 2 TL F 9492- 6 TL F 9492- 3 TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 9492 RRD-B30M105 Printed in U S A Unit Loading Fan Out 54F 74F Pin Names Description UL HIGH LOW 10 20 1 0 14 0 1 0 16 0 10 80 10 80 10 60 10 40 50 33 3 50 33 3 50 33 3 Input IIH IIL Output IOH IOL 20 m A b1 2 m A 20 m A b8 4 m A 20 m A b9 6 m A 20 m A b4 8 m A 20 m A b4 8 m A 20 m A b3 6 m A 20 m A b2 4 m A b 1 m A 20 m A b 1 m A 20 m A b 1 m A 20 m A Cn G0 G2 G1 G3 P0 P1 P2 P3 Cn a xb Cn a z G P Carry Input Carry Generate Inputs (Active LOW) Carry Generate Input (Active LOW) Carry Generate Input (Active LOW) Carry Propagate Inputs (Active LOW) Carry Propagate Input (Active LOW) Carry Propagate Input (Active LOW) Carry Outputs Carry Generate Output (Active LOW) Carry Propagate Output (Active LOW) Functional Description The ’F182 carry lookahead generator accepts up to four pairs of Active LOW Carry Propagate...