基本信息
文件名称：硬件电路设计与电子工艺基础（第2版） 集成芯片汇总 课件 第4章 3线-8线二进制译码器-74hc138 --- 同步加计数器-74hc160、74hc161.pdf
文件大小：32.07 MB
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更新时间：2025-03-29
总字数：约172.95万字
文档摘要
CD54/74HC138,CD54/74HCT138,
CD54/74HC238,CD54/74HCT238
DatasheetacquiredfromHarrisSemiconductor
SCHS147IHigh-SpeedCMOSLogic3-to8-LineDecoder/
October1997-RevisedAugust2004DemultiplexerInvertingandNoninverting
FeaturesOrderingInformation
?SelectOneOfEightDataOutputs
TEMP.RANGE
ActiveLowfor138,ActiveHighfor238o
[/TitlePARTNUMBER(C)PACKAGE
?l/OPortorMemorySelector
(CD74CD54HC138F3A-55to12516LdCERDIP
HC138?ThreeEnableInputstoSimplifyCascadingCD54HC238F3A-55to12516LdCERDIP
?TypicalPropagationDelayof13nsatV=5V,
,
CC
CD74CL=15pF,TA=25oCCD54HCT138F3A-55to12516LdCERDIP
HCT13?Fanout(OverTemperatureRange)CD54HCT238F3A-55to12516LdCERDIP
8,-StandardOutputs...............10LSTTLLoadsCD74HC138E-55to12516LdPDIP
CD74