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MM74HC27N ,Triple 3-Input NOR GateMM54HC27/MM74HC27Triple3-InputNORGateJanuary1988MM54HC27/MM74HC27Triple3-InputNORGateGeneralDescrip ..
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MM74HC32M ,Quad 2-Input OR GateMM74HC32 Quad 2-Input OR GateSeptember 1983Revised January 2005MM74HC32Quad 2-Input OR Gate
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MM74HC27N
Triple 3-Input NOR Gate
TL/F/5300
MM54HC27/MM74HC27
Triple
3-Input
NOR
Gate
January 1988
MM54HC27/MM74HC27
Triple 3-Input NOR Gate
General Description
These NOR gates utilize advanced silicon-gate CMOS tech-
nology,to achieve operating speeds similartoLS-TTL gates
withthelow power consumptionof standard CMOS inte-
grated circuits.All gates have buffered outputs, providing
high noise immunity andthe ability todrive10 LS-TTL loads.
The 54HC/74HC logic familyis functionallyaswellaspin-
out compatible withthe standard 54LS/74LS logic family.
All inputsare protected from damage dueto staticdis-
chargeby internal diode clampsto VCCand ground.
Features Typical propagation delay:8ns Wide operating supply voltage range: 2–6V Low input current:k1mA Low quiescent supply current:20mA maximum
(74HC Series) Fanoutof10 LS-TTL Loads
Connection and Logic Diagrams
Dual-In-Line Package
TL/F/5300–1
Top View
OrderNumberMM54HC27orMM74HC27
TL/F/5300–2
C1995National SemiconductorCorporation RRD-B30M105/PrintedinU.S.A.
