54F181

54F 74F181 4-Bit Arithmetic Logic Unit August 1995 54F 74F181 4-Bit Arithmetic Logic Unit General Description The ’F181 is a 4-bit Arithmetic logic Unit (ALU) which can perform all the possible 16 logic operations on two variables and a variety of arithmetic operations It is 40% faster than the Schottky ALU and only consumes 30% as much power Features Y Full lookahead for high-speed arithmetic operation on long words Y Guaranteed 4000V minimum ESD protection Commercial Military Package Number Package Description 74F181PC N24A 24-Lead (0 600 Wide) Molded Dual-In-Line 74F181SPC N24C 24-Lead (0 300 Wide) Molded Dual-In-Line 54F181DM (Note 2) J24A 24-Lead Ceramic Dual-In-Line 54F181SDM (Note 2) J24F 24-Lead (0 300 ) Ceramic Dual-In-Line 74F181SC (Note 1) M24B 24-Lead (0 300 ) Molded Small Outline JEDEC 54F181FM (Note 2) W24C 24-Lead Cerpack 54F181LM (Note 2) E28A 24-Lead Ceramic Leadless Chip Carrier Type C Note 1 Devices also available in 13 reel Use suffix e SCX Note 2 Military grade device with environmental and burn-in processing Use suffix e DMQB FMQB and LMQB Connection Diagrams Pin Assignment for DIP SOIC and Flatpak Pin Assignment for LCC Obsolete TL F 9491 – 1 TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 9491 TL F 9491 – 2 RRD-B30M105 Printed in U S A Logic Symbols Active-HIGH Operands Active-LOW Operands IEEE IEC Obsolete TL F 9491–3 TL F 9491 – 4 Unit L...