74F181 ,Arithmetic logic unit54F/74F1814-BitArithmeticLogicUnitAugust199554F/74F1814-BitArithmeticLogicUnitGeneralDescription
74F181PC ,4-Bit Arithmetic Logic UnitFeaturesThe 74F181 is a 4-bit Arithmetic logic Unit (ALU) which can
74F181
4-Bit Arithmetic Logic Unit
TL/F/9491
54F/74F181
4-Bit
Arithmetic
Logic
Unit
August 1995
54F/74F181
4-Bit Arithmetic Logic Unit
General Description
The ’F181isa 4-bit Arithmetic logic Unit (ALU) whichcan
performallthe possible16 logic operationsontwo variables
anda varietyof arithmetic operations.Itis 40% faster than
the Schottky ALUand only consumes 30%as much power.
Features Full lookaheadfor high-speed arithmetic operationon
long words Guaranteed 4000V minimum ESD protection
Commercial Military Package Package DescriptionNumber
74F181PC N24A 24-Lead (0.600× Wide)MoldedDual-In-Line
74F181SPC N24C 24-Lead (0.300× Wide)MoldedDual-In-Line
54F181DM (Note2) J24A 24-Lead CeramicDual-In-Line
54F181SDM (Note2) J24F 24-Lead (0.300×) CeramicDual-In-Line
74F181SC (Note1) M24B 24-Lead (0.300×) Molded Small Outline, JEDEC
54F181FM (Note2) W24C 24-Lead Cerpack
54F181LM (Note2) E28A 24-Lead CeramicLeadlessChip Carrier,TypeC
Note1: Devicesalso availablein13×reel.Use suffixeSCX.
Note2: Military grade devicewith environmental andburn-in processing.Usesuffixe DMQB, FMQBand LMQB.
Connection Diagrams
Pin Assignment
forDIP,SOIC andFlatpak
TL/F/9491–1
PinAssignment
for LCC
TL/F/9491–2
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C1995National SemiconductorCorporation RRD-B30M105/PrintedinU.S.A.
