标签: cd4511bc

CMOSBCD-7段锁存、译码、LED驱动……

   TheCD4511BCBCD-to-sevensegmentlatch/decoder/driverisconstructedwithcomplementaryMOS(CMOS)enhancementmodedevicesandNPNbipolaroutputdriversinasinglemonolithicstructure.Thecircuitprovidesthefunctionsofa4-bitstoragelatch,an8421BCD-to-sevensegmentdecoder,andanoutputdrivecapability.Lamptest(LT),blanking(BI),andlatchenable(LE)inputsareusedtotestthedisplay,toturn-offorpulsemodulatethebrightnessofthedisplay,andtostoreaBCDcode,respectively.Itcanbeusedwithseven-segmentlightemittingdiodes(LED),incandescent,fluorescent,gasdischarge,orliquidcrystalreadoutseitherdirectlyorindirectly.……