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74F821
10-Bit D Flip-Flop
TL/F/9595
54F/74F821
10-Bit
D-Type
Flip-Flop
December 1994
54F/74F821
10-Bit D-Type Flip-Flop
General Description
The ’F821isa 10-bit D-type flip-flop with TRI-STATEÉtrue
outputs arrangedina broadside pinout.The ’F821is func-
tionallyandpin compatible withthe AMD’s Am29821.
Features TRI-STATE Outputs Direct replacementfor AMD’s Am29821
Commercial Military Package Package DescriptionNumber
74F821SPC N24C 24-Lead (0.300× Wide)MoldedDual-In-Line
54F821SDM (Note2) J24F 24-Lead (0.300× Wide)Ceramic Dual-In-Line
74F821SC (Note1) M24B 24-Lead (0.300× Wide)MoldedSmallOutline, JEDEC
54F821FM (Note2) W24C 24-Lead Cerpack
54F821LM (Note2) E28A 24-Lead CeramicLeadlessChip Carrier, TypeC
Note1: Devicesalsoavailablein13×reel.Use suffixeSCX.
Note2: Military grade devicewith environmentaland burn-inprocessing.Use suffixe SDMQB, FMQBand LMQB.
Logic Symbols Connection Diagrams
TL/F/9595–1
IEEE/IEC
TL/F/9595–5
Pin Assignment
for DIP, SOICand Flatpak
TL/F/9595–2
Pin Assignment
for LCC
TL/F/9595–3
TRI-STATEÉ isaregistered trademarkof National SemiconductorCorporation.
C1995National SemiconductorCorporation RRD-B30M75/PrintedinU.S.A.
