首页 >CD74HCT643E>规格书列表
| 零件编号 | 下载 订购 | 功能描述/丝印 | 制造商 上传企业 | LOGO |
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Octalbustransceiver;3-state;true/inverting GENERALDESCRIPTION The74HC/HCT643arehigh-speedSi-gateCMOSdevicesandarepincompatiblewithlowpowerSchottkyTTL(LSTTL).TheyarespecifiedincompliancewithJEDECstandardno.7A. FEATURES •Octalbidirectionalbusinterface •Trueandinverting3-stateoutputs •Outputcapabilit | PhilipsPhilips Semiconductors 飞利浦荷兰皇家飞利浦 | Philips | ||
OctalBusTransceivers(with3-stateoutputs) Description BoththeHD74HCT640andtheHD74HCT643haveoneactivelowenableinput(G),andadirectioncontrol(DIR).WhentheDIRinputishigh,dataflowsfromtheAinputstotheBoutputs.WhenDIRislow,dataflowsfromBtoA. TheHD74HCT640transfersinverteddatafromonebustotheo | HitachiHitachi Semiconductor 日立日立公司 | Hitachi | ||
OCTALBUSTRANSCEIVER3-STATE:HCT245NONINVERTINGHCT640INVERTING,HCT643INVERTING/NONINVERTING DESCRIPTION TheM54/74HCT245,HCT640andHCT643utilisesilicongateC2MOStechnologytoachiveoperatingspeedseqivalenttoLSTTLdevices. ■HIGHSPEED tPD=10ns(TYP.)atVCC=5V ■LOWPOWERDISSIPATION ICC=4µA(MAX.)atTA=25°C ■COMPATIBLEWITHTTLOUTPUTS VIH | STMICROELECTRONICSSTMicroelectronics 意法半导体意法半导体集团 | STMICROELECTRONICS | ||
InvertingOctalTRI-STATETransceiver | NSCNational Semiconductor (TI) 美国国家半导体美国国家半导体公司 | NSC | ||
InvertingOctalTRI-STATETransceiver | NSCNational Semiconductor (TI) 美国国家半导体美国国家半导体公司 | NSC | ||
InvertingOctalTRI-STATETransceiver | NSCNational Semiconductor (TI) 美国国家半导体美国国家半导体公司 | NSC |
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