74LS14 六路施密特触发反向器

1、 SN5414, SN54LS14,SN7414, SN74LS14HEX SCHMITT-TRIGGER INVERTERSSDLS049B DECEMBER 1983 REVISED FEBRUARY 2002SN5414, SN54LS14 . . . J OR W PACKAGESN7414 . . . D, N, OR NS PACKAGESN74LS14 . . . D, DB, OR N PACKAGE(TOP VIEW)V1234567CCof the Schmitt action, it has different inputthreshold levels for posi

2、tive-going (Vnegative-going (V ) signals.T3YGND8CY AAC1 164567817161514NC No internal connectionORDERING INFORMATIONTOP-SIDEMARKINGTATubeTubeTubeSN7414NSN7414NSN74LS14N7414Tape and reelSN7414DR0C to 70CTubeSN74LS14DSN74LS14DRSN7414NSRSN74LS14DBRSN5414JLS14SOP NSSN7414SSOP DBLS14SN5414JTubeSNJ5414JCD

3、IP JTube55C to 125CTubeTubeCFP WTubeLCCC FKTubeProducts conform to specifications per the terms of Texas Instrumentsstandard warranty. Production processing does not necessarily includetesting of all cessing does not necessarily include testing of all parameters.1POST OFFICE BOX 655303

4、 DALLAS, TEXAS 75265 SN5414, SN54LS14,SN7414, SN74LS14HEX SCHMITT-TRIGGER INVERTERSSDLS049B DECEMBER 1983 REVISED FEBRUARY 2002logic diagram (positive logic)13245968111310122POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN5414, SN54LS14,SN7414, SN74LS14HEX SCHMITT-TRIGGER INVERTERSSDLS049B DECEMBER 198

5、3 REVISED FEBRUARY 2002schematic14Output YInput AGNDLS1420 k3POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN5414, SN54LS14,SN7414, SN74LS14HEX SCHMITT-TRIGGER INVERTERSSDLS049B DECEMBER 1983 REVISED FEBRUARY 2002Supply voltage, V(see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6、. . . . . . . . . . . . . . . . . . . . . . . . . .7. V. . . .CCInput voltage: 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5. 5. . V. . .LS14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7. .V. . . . .Package thermal impedance, (see Note 2):D package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8. 6. . C/WJADB package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 .6 .C/WN package

8、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8. 0. . C/WNS package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 .6 .C/WStorage temperaturerange, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6.5.C to 150CStres

9、ses beyond those listed under“absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, andfunctional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is notimplied. Exposure to absolute-

10、maximum-rated conditions for extended periods may affect device reliability.recommended operating conditionsSN7414UNITMIN NOMMAX5.250.816Supply voltage4.554.755V0.81655125070PARAMETERUNITVCC = 5 VVCC = 5 V0.91.1VCC = 5 V0.40.8V)I = 12 mA1.50.4VIVVV = V0.430.56IT+V = VIT1400.81.2553

11、618223960For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.ANot more than one output should be shorted at a time.4POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN5414, SN54LS14,SN7414, SN74LS14HEX SCHMITT-TRIGGER INVERTERSSDLS049B DECEMBER 19

12、83 REVISED FEBRUARY 2002switching characteristics, VCC = 5 V, T = 25C (see Figure 1)AUNITMIN15152222AYnsrecommended operating conditionsSN54LS14SN74LS14UNITMIN NOMMAXMIN NOMSupply voltage4.554.755VHigh-level output currentLow-level output currentOperating free-air temperature55125070SN54LS14SN74LS14

13、PARAMETERUNITMIN TYPMIN TYPV)I = 18 mAI50.40.5V0.35IT+ITV = V40.18IT+V = VIT0.1200.1200.41001620208.6128.6122121For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.Al

14、l typical values are at V = 5 V, T = 25C.Not more than one output should be shorted at a time, and duration of the short-circuit should not exceed one second.CCAAMINUNIT15152222AYns5POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN5414, SN54LS14,SN7414, SN74LS14HEX SCHMITT-TRIGGER INVERTERSSDLS049B DECE

15、MBER 1983 REVISED FEBRUARY 2002SERIES 54/74 DEVICESVCCRLCL(see Note A)1 k(see Note B)(see Note A)(see Note A)S2LOAD CIRCUITLOAD CIRCUITLOAD CIRCUITFOR 2-STATE TOTEM-POLE OUTPUTSFOR OPEN-COLLECTOR OUTPUTSFOR 3-STATE OUTPUTS3 VHigh-LevelTimingInput1.5 V1.5 VPulse0 VthDataInputPulseVOLTAGE WAVEFORMSPUL

16、SE DURATIONSInputVOLTAGE WAVEFORMSENABLE AND DISABLE TIMES, 3-STATE OUTPUTSNOTES: A. C includes probe and jig capacitance.LB. All diodes are 1N3064 or equivalent.D. S1 and S2 are closed for t , tE. All input pulses are supplied by generators having the following characteristics: PRR1 MHz, Z 50; t an

17、d t 7 ns for Series, t, and t; S1 is open and S2 is closed for t ; S1 is closed and S2 is open for t.PLH PHL PHZPLZOrf54/74 devices and t and t 2.5 ns for Series 54S/74S devices.rfF. The outputs are measured one at a time with one input transition per measurement.Figure 1. Load Circuits and Voltage

18、Waveforms6POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN5414, SN54LS14,SN7414, SN74LS14HEX SCHMITT-TRIGGER INVERTERSSDLS049B DECEMBER 1983 REVISED FEBRUARY 2002RLCL(see Note A)5 k(see Note B)Point(see Note A)(see Note A)S2LOAD CIRCUITLOAD CIRCUITLOAD CIRCUITFOR 2-STATE TOTEM-POLE OUTPUTSFOR OPEN-COLL

19、ECTOR OUTPUTSFOR 3-STATE OUTPUTS3 VHigh-Level1.3 V1.3 VPulse0 VthtsuLow-Level1.3 VPulseVOLTAGE WAVEFORMSPULSE DURATIONSOutputVOLTAGE WAVEFORMSENABLE AND DISABLE TIMES, 3-STATE OUTPUTSB. All diodes are 1N3064 or equivalent.C. Waveform 1 is for an output with internal conditions such that the output i

20、s low except when disabled by the output control.Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.D. S1 and S2 are closed for t , tE. Phase relationships between inputs and outputs have been chosen arbitrarily for these exam

21、ples.F. All input pulses are supplied by generators having the following characteristics: PRR 1 MHz, Z 50 , t 1.5 ns, t 2.6 ns., tPLH PHL PHZOrfG. The outputs are measured one at a time with one input transition per measurement.Figure 2. Load Circuits and Voltage Waveforms7POST OFFICE BOX 655303 DAL

22、LAS, TEXAS 75265 SN5414, SN54LS14,SN7414, SN74LS14HEX SCHMITT-TRIGGER INVERTERSSDLS049B DECEMBER 1983 REVISED FEBRUARY 2002TYPICAL CHARACTERISTICS OF 14 CIRCUITSNEGATIVE-GOING THRESHOLD VOLTAGEvsFREE-AIR TEMPERATUREFREE-AIR TEMPERATURE1.700.90VV0.890.880.870.860.850.840.830.820.810.80llooVVddlloorrh

23、hTTiiooGG-eevviitasgoePN+TTV1.611.60V75 50 250255075 100 12575 50 250255075 100 125T Free-Air Temperature CT Free-Air Temperature CAAHYSTERESISvsFREE-AIR TEMPERATURE850840m820810800790780770760750siseretsyHTV+TV75 50 250255075 100 125T Free-Air Temperature CAFigure 5Data for temperatures below 0C an

24、d above 70C and supply voltage below 4.75 V and above 5.25 V are applicable for SN5414 only.8POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN5414, SN54LS14,SN7414, SN74LS14HEX SCHMITT-TRIGGER INVERTERSSDLS049B DECEMBER 1983 REVISED FEBRUARY 2002TYPICAL CHARACTERISTICS OF 14 CIRCUITSTHRESHOLD VOLTAGESvs

25、2.0VT = 25CA1.21.00.20Positive-Going Threshold Voltage, VT+Vruc-cOfoloVdlorFrheTvitaleR740 760 780 800 820 840 860 880 9004.54.7555.255.5VT+ VT Hysteresis mVHYSTERESIS432VCCT = 25CAA1.21.00.20VVsiseretsloyVHtuptTuVO+TOVV104.54.7555.255.501.62VCC Supply Vo

26、ltage VData for temperatures below 0C and above 70C and supply voltage below 4.75 V and above 5.25 V are applicable for SN5414 only.9POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN5414, SN54LS14,SN7414, SN74LS14HEX SCHMITT-TRIGGER INVERTERSSDLS049B DECEMBER 1983 REVISED FEBRUARY 2002NEGATIVE-GOING THR

27、ESHOLD VOLTAGEvsFREE-AIR TEMPERATUREFREE-AIR TEMPERATURE1.700.90VV1.691.681.671.661.651.641.631.621.611.600.890.880.870.860.850.840.830.820.810.80loloVVddlolorrhhTTioioGG-eevvititisaogPeN+TTVV75 50 250255075 100 12575 50 250255075 100 125T Free-Air Temperature CT Free-Air Temperature CAAHYSTERESISvs

28、FREE-AIR TEMPERATUREDISTRIBUTION OF UNITSFOR HYSTERESIS850V= 5 VCC840830820810800790780770760750VrsuicsceOreftosyHTVrF+TevVitaleR720 740 760 780 800 820 840 860 880VT+ VT Hysteresis mVFigure 1375 50 250255075 100 125T Free-Air Temperature CAData for temperatures below 0C and above 70C and supply vol

29、tage below 4.75 V and above 5.25 V are applicable for SN5414 only.10POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN5414, SN54LS14,SN7414, SN74LS14HEX SCHMITT-TRIGGER INVERTERSSDLS049B DECEMBER 1983 REVISED FEBRUARY 2002THRESHOLD VOLTAGES AND HYSTERESIS2.0VT = 25CAT = 25CA1.21.00.20Po

30、sitive-Going Threshold Voltage, VT+VVegattllooVVtdulpothseuOrhTOV4.54.7555.255.501.62V Input Voltage VIData for temperatures below 0C and above 70C and supply voltage below 4.75 V and above 5.25 V are applicable for SN5414 only.11POST OFFICE BOX 655303 DALLAS, TEXAS 75265 SN5414, SN54LS14,S

31、N7414, SN74LS14HEX SCHMITT-TRIGGER INVERTERSSDLS049B DECEMBER 1983 REVISED FEBRUARY 2002TYPICAL APPLICATION DATAOutputPulse Shaper0.1 Hz to 10 MHz330 InputInputOutputMultivibratorThreshold DetectorInputInputAOutputPulse Stretcher12POST OFFICE BOX 655303 DALLAS, TEXAS 75265 PACKAGE OPTION ADDENDUM15-

32、Oct-2009PACKAGING INFORMATIONPins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)QtyACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVE20141414141414141411111111POST-PLATE N / A for Pkg TypeCDIPCDIPCDIPSOICJSN54LS14JJSN7414DD50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIMno Sb/Br)ACTIVEACTI

33、VEACTIVEACTIVEACTIVEACTIVESOICSOICSOICSOICSOICPDIP14141414141450 Green (RoHS & CU NIPDAU Level-1-260C-UNLIMno Sb/Br)50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIMno Sb/Br)2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIMno Sb/Br)2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIMno Sb/Br)2500 Green (RoHS &

34、 CU NIPDAU Level-1-260C-UNLIMno Sb/Br)2525Pb-Free(RoHS)CU NIPDAU N / A for Pkg TypeSN7414N3PDIPPDIP1414TBDCall TICall TISN7414NE4Pb-Free(RoHS)CU NIPDAU N / A for Pkg TypeSN7414NSRSN7414NSRE4SN7414NSRG4SN74LS14DACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVEACTIVESO1414141414141414

35、141414142000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIMno Sb/Br)SO2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIMno Sb/Br)SO2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIMno Sb/Br)SOICSSOPSSOPSSOPSOICSOICSOICSOICSOIC50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIMno Sb/Br)SN74LS14DBRSN74LS14DBRE4SN74LS

36、14DBRG4SN74LS14DE4SN74LS14DG4SN74LS14DR2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIMno Sb/Br)2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIMno Sb/Br)2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIMno Sb/Br)50 Green (RoHS & CU NIPDAU Level-1-260C-UNLIMno Sb/Br)D50 Green (RoHS & CU NIPDAU Level-1-260

37、C-UNLIMno Sb/Br)D2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIMno Sb/Br)SN74LS14DRE4SN74LS14DRG4D2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIMno Sb/Br)D2500 Green (RoHS & CU NIPDAU Level-1-260C-UNLIMAddendum PACKAGE OPTION ADDENDUM15-Oct-2009Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Tem

38、p (3)Qtyno Sb/Br)SN74LS14NACTIVEPDIPN142525Pb-Free(RoHS)CU NIPDAU N / A for Pkg TypeSN74LS14N3PDIPPDIP1414TBDCall TICall TISN74LS14NE4Pb-Free(RoHS)CU NIPDAU N / A for Pkg TypeSN74LS14NSRSN74LS14NSRE4SN74LS14NSRG4ACTIVEACTIVEACTIVESOSOSO1414142000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIMno Sb/Br)20

39、00 Green (RoHS & CU NIPDAU Level-1-260C-UNLIMno Sb/Br)2000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIMno Sb/Br)ACTIVEACTIVEACTIVEACTIVEACTIVEJWFKJ141420141411111TBDTBDTBDTBDTBDSNJ54LS14FKSNJ54LS14JSNJ54LS14WLCCCCDIPCFPPOST-PLATE N / A for Pkg TypeA42A42N / A for Pkg TypeN / A for Pkg TypeW(1) The mar

40、keting status values are defined as follows:ACTIVE: Product device recommended for new designs.LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.NRND: Not recommended for new designs. Device is in production to support existing customers, but TI d

41、oes not recommend using this part ina new design.PREVIEW: Device has been announced but is not in production. Samples may or may not be available.OBSOLETE: TI has discontinued the production of the device.(2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt),

42、or Green (RoHS & no Sb/Br) - please check/productcontent for the latest availability information and additional product content details.TBD: The Pb-Free/Green conversion plan has not been defined.Pb-Free (RoHS): TIs terms Lead-Free or Pb-Free mean semiconductor products that are compatible with the

43、current RoHS requirementsfor all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be solderedat high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.Pb-Free (RoHS Exempt): This component ha

44、s a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die andpackage, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHScompatible) as defined above.Green (RoHS & no Sb/Br): TI defines Green to mean Pb-F

45、ree (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flameretardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)(3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak soldertemperature.Impo

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49、l basis.Addendum PACKAGE MATERIALS INFORMATION11-Mar-2008TAPE AND REEL INFORMATION*All dimensions are nominalSPQReelReelP1(mm) (mm) QuadrantWPin1D141414141425002000200025002000330.0330.0330.0330.0330.016.416.416.416.49.02.58.012.012.08.016.016.016.016.016.0Q1Q1Q

50、1Q1Q1NSDBDSN74LS14DBRSN74LS14DRSN74LS14NSRSSOPSOICSO9.0NS10.512.0Pack Materials PACKAGE MATERIALS INFORMATION11-Mar-2008*All dimensions are nominalPackage Type Package Drawing PinsSPQLength (mm) Width (mm) Height (mm)SOICSOD141414141425002000200025002000346.0346.0346.0346.0346.0346.0346.0346.0346.03

51、46.033.033.033.033.033.0SN74LS14DBRSN74LS14DRSN74LS14NSRSSOPSOICSONSPack Materials MECHANICAL DATAMSSO002E JANUARY 1995 REVISED DECEMBER 2001DB (R-PDSO-G*)PLASTIC SMALL-OUTLINE0,380,220,15M150,250,095,605,008,207,40Gage Plane1140,25A 0 80,950,55141620242830386,505,906,505,907,5010,509,9010,50 12,906

52、,909,9012,30NOTES: A. All linear dimensions are in millimeters.B. This drawing is subject to change without notice.C. Body dimensions do not include mold flash or protrusion not to exceed 0,15.D. Falls within JEDEC MO-150POST OFFICE BOX 655303 DALLAS, TEXAS 75265 IMPORTANT NOTICETexas Instruments In

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