经典PC案例文件 3G超大 电子学习资料 电子设计资料补充 资料库 芯片资料2 74系列芯片总汇 74LS05

TL F 6346 54LS05 DM54LS05 DM74LS05 Hex Inverters with Open Collector Outputs June 1989 54LS05 DM54LS05 DM74LS05 Hex Inverters with Open Collector Outputs General Description This device contains six independent gates each of which performs the logic INVERT function The open collector out puts require external pull up resistors for proper logical op eration Features YAlternate Military Aerospace device 54LS05 is avail able Contact a National Semiconductor Sales Office Distributor for specifications Pull Up Resistor Equations RMAXe VCC Min bVOH N1 IOH aN2 IIH RMINe VCC Max bVOL IOLbN3 IIL Where N1 IOH etotal maximum output high current for all outputs tied to pull up resistor N2 IIH etotal maximum input high current for all inputs tied to pull up resistor N3 IIL etotal maximum input low current for all inputs tied to pull up resistor Connection Diagram Dual In Line Package TL F 6346 1 Order Number 54LS05DMQB 54LS05FMQB DM54LS05J DM54LS05W DM74LS05M or DM74LS05N See NS Package Number E20A J14A M14A N14A or W14B Function Table YeA InputOutput AY LH HL HeHigh Logic Level LeLow Logic Level C1995 National Semiconductor Corporation RRD B30M105 Printed in U S A Absolute Maximum Ratings Note If Military Aerospace specified devices are required pleasecontacttheNationalSemiconductorSales Office Distributors for availability and specifications Supply Voltage7V Input Voltage7V Output Voltage7V Operating Free Air Temperature Range DM54LS and 54LS b55 C toa125 C DM74LS0 C toa70 C Storage Temperature Range b65 C toa150 C Note The Absolute Maximum Ratings are those values beyond which the safety of the device cannot be guaran teed The device should not be operated at these limits The parametric values defined in the Electrical Characteristics table are not guaranteed at the absolute maximum ratings The Recommended Operating Conditions table will define the conditions for actual device operation Recommended Operating Conditions SymbolParameter DM54LS05DM74LS05 Units MinNomMaxMinNomMax VCCSupply Voltage4 555 54 7555 25V VIHHigh Level Input Voltage22V VILLow Level Input Voltage0 70 8V VOHHigh Level Output Voltage5 55 5V IOLLow Level Output Current48mA TAFree Air Operating Temperature b55 125070 C Electrical Characteristicsover recommended operating free air temperature range unless otherwise noted SymbolParameterConditionsMin Typ MaxUnits Note 1 VIInput Clamp VoltageVCCeMin IIe b18 mA b1 5 V ICEXHigh Level OutputVCCeMin VOe5 5V 100mA CurrentVILeMax VOLLow Level OutputVCCeMin IOLeMaxDM540 250 4 VoltageVIHeMin DM740 350 5V IOLe4 mA VCCeMinDM740 250 4 IIInput Current VCCeMax VIe7V 0 1mA Max Input Voltage IIHHigh Level Input CurrentVCCeMax VIe2 7V20mA IILLow Level Input CurrentVCCeMax VIe0 4V b0 36 mA ICCHSupply Current withVCCeMax 1 22 4mA Outputs High ICCLSupply Current withVCCeMax 3 66 6mA Outputs Low Switching Characteristicsat VCCe5V and TAe25 C See Section 1 for Test Waveforms and Output Load RLe2 kX SymbolParameterCLe15 pFCLe50 pFUnits MinMaxMinMax tPLHPropagation Delay Time 6202045ns Low to High Level Output tPHLPropagation Delay Time 315420ns High to Low Level Output Note 1 All typicals are at VCCe5V TAe25 C 2 Physical Dimensionsinches millimeters 14 Lead Ceramic Dual In Line Package J Order Number 54LS05DMQB or DM54LS05J NS Package Number J14A 14 Lead Small Outline Molded Package M Order Number DM74LS05M NS Package Number M14A 3 54LS05 DM54LS05 DM74LS05 Hex Inverters with Open Collector Outputs Physical Dimensionsinches millimeters Continued 14 Lead Molded Dual In Line Package N Order Number DM74LS05N NS Package Number N14A 14 Lead Ceramic Flat Package W Order Number 54LS05FMQB or DM54LS05W NS Package Number W14B LIFE SUPPORT POLICY NATIONAL S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION As used herein 1 Lifesupportdevicesorsystemsaredevicesor2 A critical component is any component of a life systems which a are intended for surgical implantsupport device or system whose failure to perform can into the body or b support or sustain life and whosebe reasonably expected to cause the failure of the life failure to perform when properly used in accordancesupport device or system or to affect its safety or with instructions for use provided in the labeling caneffectiveness be reasonably expected to result in a significant injury to the user National SemiconductorNational SemiconductorNational SemiconductorNational Semiconductor CorporationEuropeHong Kong Ltd Japan Ltd 1111 West Bardin RoadFax a49 0 180 530 85 8613th Floor Straight Block Tel 81 043 299 2309 Arlington TX 76017Email cnjwge Ocean Centre 5 Canton Rd Fax 81 043 299 2408 Tel 1 800 272 9959Deutsch Tel a49 0 180 530 85 85Tsimshatsui Kowloon Fax 1 800 737 7018EnglishTel a49 0 180 532 78 32Hong Kong Fran3ais Tel a49 0 180 532 93 58Tel 852 2737 1600 ItalianoTe