. LSI Logic - Index of

SN54AS181A, SN54AS881A, SN74AS181A, SN74AS881AARITHMETIC LOGIC UNITS/FUNCTION GENERATORS02661, DECEMBER 19B2 - REVISED AUGUST 19B5• Package Options Include the 'AS 181 A inCompact 300-mil or Standard 600-mil DIPs.The 'AS881A is Offered in 300-mil DIPS,Both Devices are Available in Both Plasticand Ceramic Chip Carriers• Full Look-Ahead for High-Speed Operationson Long WordsoArithmetic Operating Modes:AdditionSubtractionShift Operand A One PositionMagnitude ComparisonPlus Twelve Other Arithmetic Operations• Logic Function ModesExclusive-ORComparatorAND,NAND,OR,NOR'AS881A Provides Status Register ChecksPlus Ten Other Logic OperationsoDependable Texas Instruments Quality andReliabilitySN54AS181A, , , JT OR JW PACKAGESN54AS881A, , , JT PACKAGESN74AS181A, , , NT OR NW PACKAGESN74AS881A, , , NT PACKAGE(TOP VIEW)80 veeAOAl53 B152 A251 B250 A3en 83MGFO en +41'1 PF2GNDA=BF3SN54AS181A, SN54AS881A , , , FK PACKAGESN74AS181A, SN74AS881A , , , FN PACKAGE(TOP VIEW)logic symbolSO 161S 1 ~ 5 ,S2 141S3 131M 181C 171 nO}M.2..3141010.104 3 2 282726S2 5 25 A2S1 6 24 82SO 7 23 A3NC 8 22 NCen 9 21 133M 10 20 GFO 11 19 Cn +121314151617184~ N 0 U C") III 10..Iu..lu.. Z zlu.. "~«NC - No internal connectionPin numbers shown are JT, JW, NT, and NW packages.TYPICAL ADDITION TIMES (CL = 15 pF RL = 280 Q 'T A = 25°C)NUMBERADDITION TIMESPACKAGE COUNTCARRY METHODOF USING 'AS881A USING 'AS181A USING'S181 ARITHMETIC LOOK-AHEADBETWEENBITS AND'AS882 AND 'AS882 AND'S182 LOGIC UNITS CARRY GENERATORS ALUs1 to 4 5 ns 5 ns11 ns 1NONE5 to 8 10 ns 10 ns18 ns 2RIPPLE9 to 16 14 ns 14 ns19 ns 3 or 41 FULL LOOK-AHEAD17 to 64 19 ns 19 ns28 ns 5 to 162 to 5 FULL LOOK-AHEADPRODUCTION DATA documents contain informationcurrent as of publication date, Products conform tospecifications per the terms of Texas Instruments~~aC~~~~~i~a{~~,"u1J~ ~~~~i~~ti~f :llo~:~:~~t:~s~s notTEXAS -II}INSTRUMENTSPOST OFFICE BOX 225012 • DALLAS, TEXAS 75265Copyright © 1982, Texas Instruments Incorporated2-3