65648_MOTOROLA_74LS377

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1、SN54/74LS377SN54/74LS378OCTALDFLIP-FLOPWITHENABLE;SN54/74LS379HEXDFLIP-FLOPWITHENABLE;4-BITDFLIP-FLOPWITHENABLEOCTALDFLIP-FLOPWITHTheSN54/74LS377isan8-bitregisterbuiltusingadvancedLowPowerENABLE;HEXDFLIP-FLOPSchottkytechnology.Thisregisterconsistsofe

2、ightD-typeflip-flopswithaWITHENABLE;4-BITDFLIP-FLOPbufferedcommonclockandabufferedcommonclockenable.WITHENABLETheSN54/74LS378isa6-BitRegisterwithabufferedcommonenable.ThisdeviceissimilartotheSN54/74LS174,butwithcommonEnableratherLOWPOWERSCHOTTKYthanc

3、ommonMasterReset.TheSN54/74LS379isa4-BitRegisterwithbufferedcommonEnable.ThisdeviceissimilartotheSN54/74LS175butfeaturesthecommonEnableratherthencommonMasterReset.JSUFFIX·8-BitHighSpeedParallelRegistersCERAMIC·PositiveEdge-TriggeredD-TypeFlipFlopsCAS

4、E732-0320·FullyBufferedCommonClockandEnableInputs1·TrueandComplementOutputs·InputClampDiodesLimitHighSpeedTerminationEffectsNSUFFIXPLASTICCASE738-03PINNAMESLOADING(Notea)20HIGHLOW1EEnable(ActiveLOW)Input0.5U.L.0.25U.L.D0–D3DataInputs0.5U.L.0.25U.L.DW

5、SUFFIXCPClock(ActiveHIGHGoingEdge)Input0.5U.L.0.25U.L.SOICQ0–Q3TrueOutputs(Noteb)10U.L.5(2.5)U.L.20CASE751D-03Q0–Q3ComplementedOutputs(Noteb)10U.L.5(2.5)U.L.1NOTES:a)1TTLUnitLoad(U.L.)=40mAHIGH/1.6mALOW.b)TheOutputLOWdrivefactoris2.5U.L.forMilitary(5

6、4)and5U.L.forCommercialJSUFFIX(74)TemperatureRanges.CERAMICCASE620-09161NSUFFIXPLASTICCASE648-08161DSUFFIXSOIC16CASE751B-031ORDERINGINFORMATIONSN54LSXXXJCeramicSN74LSXXXNPlasticSN74LSXXXDWSOICSN74LSXXXDSOICFASTANDLSTTLDATA5-533SN54/74LS377·SN54/74LS3

7、78·SN54/74LS379CONNECTIONDIAGRAMDIPS(TOPVIEW)SN54/74LS377VCCQ7D7D6Q6Q5D5D4Q4CP20191817161514131211NOTE:TheFlatpakversionhasthesamepinouts(ConnectionDiagram)astheDualIn-LinePackage.12345678910EQ0D0D1Q1Q2D2D3Q3GNDSN54/74LS378VCCQ5D5D4Q4D3Q3CP1615141312

8、11109NOTE:TheFlatpakversionhasthesamepinouts(ConnectionDiagram)astheDualIn-LinePackage.12345678EQ0D0D1Q1D2Q2GNDSN54/74LS379VCCQ3Q3D3D2Q2Q2CP161514131211109NOTE:TheFlatpakversionhasthesamepinouts(ConnectionDiagram)astheDualIn-LinePackage.12345678EQ0Q0