ICGOO在线商城 > 集成电路(IC) > 逻辑 - 信号开关,多路复用器,解码器 > SN74LS42N
数量阶梯 | 香港交货 | 国内含税 |
+xxxx | $xxxx | ¥xxxx |
查看当月历史价格
查看今年历史价格
SN74LS42N产品简介:
ICGOO电子元器件商城为您提供SN74LS42N由Texas Instruments设计生产,在icgoo商城现货销售,并且可以通过原厂、代理商等渠道进行代购。 SN74LS42N价格参考¥14.11-¥17.78。Texas InstrumentsSN74LS42N封装/规格:逻辑 - 信号开关,多路复用器,解码器, Decoder/Demultiplexer 1 x 4:10 16-PDIP。您可以下载SN74LS42N参考资料、Datasheet数据手册功能说明书,资料中有SN74LS42N 详细功能的应用电路图电压和使用方法及教程。
SN74LS42N 是由 Texas Instruments(德州仪器)生产的一款逻辑芯片,属于 74 系列中的 LS(低功耗肖特基)系列。其功能为 BCD 到十进制解码器,主要用于将 4 位二进制编码的十进制数(BCD,Binary-Coded Decimal)转换为对应的十进制输出信号。 应用场景: 1. 数字显示驱动: SN74LS42N 常用于驱动七段数码管或其他类型的数字显示器。通过将 BCD 输入信号解码为十进制输出,可以直接控制显示电路中特定的段或位置,实现数字信息的可视化。 2. 键盘扫描与编码: 在键盘或矩阵开关的应用中,SN74LS42N 可以用于解码按键输入的位置信号。例如,将键盘上的按键按压转化为对应的十进制输出,便于后续处理。 3. 数据选择与路由: 作为解码器,SN74LS42N 可以用于多路复用或数据路由系统中。通过将输入的 BCD 信号解码为十个独立的输出通道,可以选择性地激活某一路信号。 4. 计数器与分频器: 在需要对计数器输出进行解码的场合,SN74LS42N 可以将计数器的 BCD 输出转换为对应的十进制状态,用于触发特定事件或控制其他电路。 5. 工业控制与自动化: 在工业控制系统中,SN74LS42N 可用于解码传感器输入、控制继电器或驱动执行机构。例如,根据输入的 BCD 数据选择性地激活某个设备或模块。 6. 教育与实验平台: SN74LS42N 广泛应用于教学和实验环境中,帮助学生理解 BCD 解码原理以及数字逻辑电路的基本工作方式。 特性总结: - 输入:4 位 BCD 信号。 - 输出:10 个互斥的十进制信号。 - 工作电压:典型值为 5V。 - 低功耗设计,适合电池供电应用。 这款芯片虽然属于较早期的逻辑器件,但在某些需要简单解码功能的场景中仍然具有实用价值。
参数 | 数值 |
产品目录 | 集成电路 (IC)半导体 |
描述 | IC 4-LINE BCD/DEC DECOD 16-DIP编码器、解码器、复用器和解复用器 4 to 10 BCD |
产品分类 | |
品牌 | Texas Instruments |
产品手册 | |
产品图片 | |
rohs | 符合RoHS无铅 / 符合限制有害物质指令(RoHS)规范要求 |
产品系列 | 逻辑集成电路,编码器、解码器、复用器和解复用器,Texas Instruments SN74LS42N74LS |
数据手册 | |
产品型号 | SN74LS42N |
产品 | Decoders / Demultiplexers |
产品种类 | 编码器、解码器、复用器和解复用器 |
供应商器件封装 | 16-PDIP |
其它名称 | 296-27985-5 |
包装 | 管件 |
单位重量 | 1 g |
商标 | Texas Instruments |
安装类型 | 通孔 |
安装风格 | Through Hole |
封装 | Tube |
封装/外壳 | 16-DIP(0.300",7.62mm) |
封装/箱体 | PDIP-16 |
工作温度 | 0°C ~ 70°C |
工作温度范围 | 0 C to + 70 C |
工作电压 | 4.75 V to 5.25 V |
工厂包装数量 | 25 |
最大工作温度 | + 70 C |
最小工作温度 | 0 C |
标准包装 | 25 |
独立电路 | 1 |
电压-电源 | 4.75 V ~ 5.25 V |
电压源 | 单电源 |
电流-输出高,低 | 400µA, 8mA |
电源电压-最大 | 5.25 V |
电源电压-最小 | 4.75 V |
电路 | 1 x 4:10 |
类型 | 解码器/多路分解器 |
系列 | SN74LS42 |
输入/输出线数量 | 4 / 10 |
输入线路数量 | 4 |
输出线路数量 | 10 |
逻辑系列 | LS |
SN5442A, SN54LS42, SN7442A, SN74LS42 4-LINE BCD TO 10-LINE DECIMAL DECODERS SDLS109 – MARCH 1974 – REVISED MARCH 1988 PRODUCTION DATA information is current as of publication date. Copyright 1988, Texas Instruments Incorporated Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1
SN5442A, SN54LS42, SN7442A, SN74LS42 4-LINE BCD TO 10-LINE DECIMAL DECODERS SDLS109 – MARCH 1974 – REVISED MARCH 1988 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN5442A, SN54LS42, SN7442A, SN74LS42 4-LINE BCD TO 10-LINE DECIMAL DECODERS SDLS109 – MARCH 1974 – REVISED MARCH 1988 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 3
SN5442A, SN54LS42, SN7442A, SN74LS42 4-LINE BCD TO 10-LINE DECIMAL DECODERS SDLS109 – MARCH 1974 – REVISED MARCH 1988 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
SN5442A, SN54LS42, SN7442A, SN74LS42 4-LINE BCD TO 10-LINE DECIMAL DECODERS SDLS109 – MARCH 1974 – REVISED MARCH 1988 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 5
SN5442A, SN54LS42, SN7442A, SN74LS42 4-LINE BCD TO 10-LINE DECIMAL DECODERS SDLS109 – MARCH 1974 – REVISED MARCH 1988 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
IMPORTANTNOTICE TexasInstrumentsIncorporatedanditssubsidiaries(TI)reservetherighttomakecorrections,modifications,enhancements,improvements, andotherchangestoitsproductsandservicesatanytimeandtodiscontinueanyproductorservicewithoutnotice.Customersshould obtainthelatestrelevantinformationbeforeplacingordersandshouldverifythatsuchinformationiscurrentandcomplete.Allproductsare soldsubjecttoTI’stermsandconditionsofsalesuppliedatthetimeoforderacknowledgment. TIwarrantsperformanceofitshardwareproductstothespecificationsapplicableatthetimeofsaleinaccordancewithTI’sstandard warranty.TestingandotherqualitycontroltechniquesareusedtotheextentTIdeemsnecessarytosupportthiswarranty.Exceptwhere mandatedbygovernmentrequirements,testingofallparametersofeachproductisnotnecessarilyperformed. TIassumesnoliabilityforapplicationsassistanceorcustomerproductdesign.Customersareresponsiblefortheirproductsand applicationsusingTIcomponents.Tominimizetherisksassociatedwithcustomerproductsandapplications,customersshouldprovide adequatedesignandoperatingsafeguards. TIdoesnotwarrantorrepresentthatanylicense,eitherexpressorimplied,isgrantedunderanyTIpatentright,copyright,maskworkright, orotherTIintellectualpropertyrightrelatingtoanycombination,machine,orprocessinwhichTIproductsorservicesareused.Information publishedbyTIregardingthird-partyproductsorservicesdoesnotconstitutealicensefromTItousesuchproductsorservicesora warrantyorendorsementthereof.Useofsuchinformationmayrequirealicensefromathirdpartyunderthepatentsorotherintellectual propertyofthethirdparty,oralicensefromTIunderthepatentsorotherintellectualpropertyofTI. ReproductionofTIinformationinTIdatabooksordatasheetsispermissibleonlyifreproductioniswithoutalterationandisaccompanied byallassociatedwarranties,conditions,limitations,andnotices.Reproductionofthisinformationwithalterationisanunfairanddeceptive businesspractice.TIisnotresponsibleorliableforsuchaltereddocumentation.Informationofthirdpartiesmaybesubjecttoadditional restrictions. ResaleofTIproductsorserviceswithstatementsdifferentfromorbeyondtheparametersstatedbyTIforthatproductorservicevoidsall expressandanyimpliedwarrantiesfortheassociatedTIproductorserviceandisanunfairanddeceptivebusinesspractice.TIisnot responsibleorliableforanysuchstatements. TIproductsarenotauthorizedforuseinsafety-criticalapplications(suchaslifesupport)whereafailureoftheTIproductwouldreasonably beexpectedtocauseseverepersonalinjuryordeath,unlessofficersofthepartieshaveexecutedanagreementspecificallygoverning suchuse.Buyersrepresentthattheyhaveallnecessaryexpertiseinthesafetyandregulatoryramificationsoftheirapplications,and acknowledgeandagreethattheyaresolelyresponsibleforalllegal,regulatoryandsafety-relatedrequirementsconcerningtheirproducts andanyuseofTIproductsinsuchsafety-criticalapplications,notwithstandinganyapplications-relatedinformationorsupportthatmaybe providedbyTI.Further,BuyersmustfullyindemnifyTIanditsrepresentativesagainstanydamagesarisingoutoftheuseofTIproductsin suchsafety-criticalapplications. TIproductsareneitherdesignednorintendedforuseinmilitary/aerospaceapplicationsorenvironmentsunlesstheTIproductsare specificallydesignatedbyTIasmilitary-gradeor"enhancedplastic."OnlyproductsdesignatedbyTIasmilitary-grademeetmilitary specifications.BuyersacknowledgeandagreethatanysuchuseofTIproductswhichTIhasnotdesignatedasmilitary-gradeissolelyat theBuyer'srisk,andthattheyaresolelyresponsibleforcompliancewithalllegalandregulatoryrequirementsinconnectionwithsuchuse. TIproductsareneitherdesignednorintendedforuseinautomotiveapplicationsorenvironmentsunlessthespecificTIproductsare designatedbyTIascompliantwithISO/TS16949requirements.Buyersacknowledgeandagreethat,iftheyuseanynon-designated productsinautomotiveapplications,TIwillnotberesponsibleforanyfailuretomeetsuchrequirements. FollowingareURLswhereyoucanobtaininformationonotherTexasInstrumentsproductsandapplicationsolutions: Products Applications Audio www.ti.com/audio CommunicationsandTelecom www.ti.com/communications Amplifiers amplifier.ti.com ComputersandPeripherals www.ti.com/computers DataConverters dataconverter.ti.com ConsumerElectronics www.ti.com/consumer-apps DLP®Products www.dlp.com EnergyandLighting www.ti.com/energy DSP dsp.ti.com Industrial www.ti.com/industrial ClocksandTimers www.ti.com/clocks Medical www.ti.com/medical Interface interface.ti.com Security www.ti.com/security Logic logic.ti.com Space,AvionicsandDefense www.ti.com/space-avionics-defense PowerMgmt power.ti.com Transportationand www.ti.com/automotive Automotive Microcontrollers microcontroller.ti.com VideoandImaging www.ti.com/video RFID www.ti-rfid.com Wireless www.ti.com/wireless-apps RF/IFandZigBee®Solutions www.ti.com/lprf TIE2ECommunityHomePage e2e.ti.com MailingAddress:TexasInstruments,PostOfficeBox655303,Dallas,Texas75265 Copyright©2011,TexasInstrumentsIncorporated