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54F521DMQBNSN/a10avai8-Bit Identity Comparator


54F521DMQB ,8-Bit Identity Comparator54F/74F5218-BitIdentityComparatorMay199554F/74F5218-BitIdentityComparatorGeneralDescription
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54F521DMQB
8-Bit Identity Comparator
TL/F/9545
54F/74F521
8-Bit
Identity
Comparator
May 1995
54F/74F521
8-Bit Identity Comparator
General Description
The ’F521isan expandable 8-bit comparator.It compares
two wordsofupto eightbits each and providesa LOW
output whenthetwo words matchbitforbit.The expansion
input IAeB also servesasan active LOW enable input.
Features Comparestwo 8-bit wordsin6.5nstyp Expandabletoany word length 20-pin package
Commercial Military Package Package DescriptionNumber
74F521PC N20A 20-Lead (0.300× Wide) Molded Dual-In-Line
54F521DM (Note2) J20A 20-Lead Ceramic Dual-In-Line
74F521SC (Note1) M20B 20-Lead (0.300× Wide) Molded Small Outline, JEDEC
74F521SJ(Note1) M20D 20-Lead (0.300× Wide) Molded Small Outline, EIAJ
74F521MSA(Note1) MSA20 20-Lead Molded Shrink Small Outline, EIAJ typeII
Note 1:Devicesalso availablein13×reel. Usesuffixe SCX,SJXand MSAX.
Note 2:Military gradedevicewith environmentaland burn-in processing.Use suffixe DMQB.
Logic Symbols
TL/F/9545–1
IEEE/IEC
TL/F/9545–4
TRI-STATEÉ isaregistered trademarkof National SemiconductorCorporation.
C1995National SemiconductorCorporation RRD-B30M75/PrintedinU.S.A.
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