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UPD4991AGS

MOSINTEGRATEDCIRCUIT

FEATURES: •Time(hour,minute,andsecond)andcalendar(leapyear,year,month,day,anddate)counters •Leapyearcanbeautomaticallyidentifiedorset •12-and24-hourmodesselectable •4-bitparallelinput/outputinBCDdataformat •Alarmfunction(hour,minute,second,month,day,

RENESASRenesas Technology Corp

瑞萨瑞萨科技有限公司

UPD4991AGS

4-BITPARALLELI/OCALENDARCLOCK

[NEC] SEMICONDUCTORSELECTIONGUIDE

NECRenesas Electronics America

瑞萨日本瑞萨电子株式会社

WM4991

1.57mm(.062)Diameter,Standard.062PinandSocketCrimpTerminal,Female,withTin(Sn)PlatedBrassContact,18-24AWG,Reel

MOLEX1Molex Electronics Ltd.

莫仕

WM4991-ND

1.57mm(.062)Diameter,Standard.062PinandSocketCrimpTerminal,Female,withTin(Sn)PlatedBrassContact,18-24AWG,Reel

MOLEX1Molex Electronics Ltd.

莫仕

XRK4991

3.3VHIGH-SPEED(85MHZ)PROGRAMMABLESKEWCLOCKBUFFER

EXARExar Corporation

艾科嘉艾科嘉(杭州)信息技术有限公司

XRK4991A

3.3VHIGH-SPEED(85MHZ)PROGRAMMABLESKEWCLOCKBUFFER

EXARExar Corporation

艾科嘉艾科嘉(杭州)信息技术有限公司

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