型号 | 功能描述 | 生产厂家&企业 | LOGO | 操作 |
---|---|---|---|---|
LOWPOWERSCHOTTKY Quad2-InputMultiplexerwith3-StateOutputs TheLSTTL/MSISN74LS257BandtheSN74LS258BareQuad2-InputMultiplexerswith3-stateoutputs.FourbitsofdatafromtwosourcescanbeselectedusingaCommonDataSelectinput.Thefouroutputspresenttheselecteddataintrue(non-inverted) | ONSEMION Semiconductor 安森美半导体安森美半导体公司 | |||
3-STATEQuad2-DataSelectors/Multiplexers GeneralDescription TheseSchottky-clampedhigh-performancemultiplexersfeature3-STATEoutputsthatcaninterfacedirectlywithdatalinesofbus-organizedsystems.Withallbutoneofthecommonoutputsdisabled(atahighimpedancestate),thelowimpedanceofthesingleenabledoutputwilld | FairchildFairchild Semiconductor 仙童半导体飞兆/仙童半导体公司 | |||
Quadruple2-line-to-1-lineDataSelectors/Multiplexers(withnoninverted3-stateoutputs)
| HitachiHitachi, Ltd. 日立公司 | |||
TRI-STATEQuad2-DataSelectors/Multiplexers 文件:163.7 Kbytes Page:8 Pages | NSCNational Semiconductor (TI) 美国国家半导体美国国家半导体公司 | |||
QUADRUPLE2-LINETO1-LINEDATASELECTORS/MULTIPLEXERS 文件:661.04 Kbytes Page:16 Pages | TITexas Instruments 德州仪器美国德州仪器公司 |
IC供应商 | 芯片型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
FAIRCHILD/仙童 |
23+ |
NA/ |
80 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
|||
MIT |
2020+ |
SOP3.9 |
80000 |
只做自己库存,全新原装进口正品假一赔百,可开13%增 |
|||
N/A |
24+ |
SOP16 |
990000 |
明嘉莱只做原装正品现货 |
|||
FAI |
2020+ |
DIP16 |
16800 |
绝对原装进口现货,假一赔十,价格优势!? |
|||
FSC |
2016+ |
SOP16 |
6528 |
只做进口原装现货!假一赔十! |
|||
MAT |
23+ |
DIP |
90000 |
只做原厂渠道价格优势可提供技术支持 |
|||
HIT |
22+23+ |
DIP |
30403 |
绝对原装正品全新进口深圳现货 |
|||
TI |
23+ |
SOP |
3200 |
全新原装、诚信经营、公司现货销售 |
|||
287 |
|||||||
FAIRCHILD/仙童 |
198589 |
假一罚十原包原标签常备现货! |
MM74LS257规格书下载地址
MM74LS257参数引脚图相关
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- NFC
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说明MC78MXX/LM78MXX系列三端积极监管机构可在TO-220/D-PAK几个固定的输出电压,它很有用的封装在广泛的应用。特点•输出电流可达0.5A•输出电压5,6,8,12,15,18,24V•热过载保护•短的电路保护•输出晶体管安全工作区(SOA)的保护
2013-1-15
DdatasheetPDF页码索引
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