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74FR244NSCN/a117avaiOctal Buffer Line Driver with Tri-State Outputs


74FR244 ,Octal Buffer Line Driver with Tri-State Outputs74FR244OctalBuffer/LineDriverwithTRI-STATEOutputsMay199574FR244OctalBuffer/LineDriverwithTRI-STATEÉ ..
74FR244PC ,Octal Buffer/Line Driver with 3-STATE OutputsElectrical CharacteristicsVSymbol Parameter Min Typ Max Units ConditionsCCV Input HIGH Voltage 2.0 ..
74FR244PC ,Octal Buffer/Line Driver with 3-STATE OutputsFeaturesThe 74FR244 is a non-inverting octal buffer and line driver

74FR244
Octal Buffer Line Driver with Tri-State Outputs
TL/F/10900
74FR244
Octal
Buffer/Line
Driver
with
TRI-STATE
Outputs
May 1995
74FR244
Octal Buffer/Line Driver with TRI-STATEÉ Outputs
General Description
The ’FR244isa non-inverting octal buffer andline driver
designedtobe employedas memoryand address driver,
clock driverand bus-oriented transmitter/receiver.
Features TRI-STATE outputs drive bus linesor buffer memory
address registers Outputs sink64mAand source15mA Guaranteed pin-to-pin skew Guaranteed 4000V minimum ESD protection
Commercial Package Package DescriptionNumber
74FR244PC N20A 20-Lead (0.300× Wide)MoldedDual-In-Line
74FR244SC (Note1) M20B 20-Lead (0.300× Wide)MoldedSmallOutline, JEDEC
74FR244SJ (Note1) M20D 20-Lead (0.300× Wide)MoldedSmallOutline, EIAJ
Note1: Devicesalso availablein13×reel.Use suffixeSCX,andSJX.
Connection Diagram
TL/F/10900–1
Pin Descriptions
Pin Names Description
OE1,–OE2 Output Enable Input(Active Low)
I0–I7 Inputs
O0–O7 Outputs
Truth Tables
Inputs Outputs
OE1 In (Pins12,14,16,18) L H Z
Inputs Outputs
OE2 In (Pins3, 5,7,9) L H Ze HIGH Voltage LeveleLOW VoltageLevele ImmaterialeHigh Impedance
TRI-STATEÉ isaregistered trademarkof National SemiconductorCorporation.
C1995National SemiconductorCorporation RRD-B30M75/PrintedinU.S.A.
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