rycodeddecimalR-S触发器R-Sflip-flop(BCD)D触发器Dflip-flop门电路gateJ-K触发器J-Kflip-flop三态门tri-stategate主从型触发器master-slave与门ANDgateflip-ate置位set非门NOTgate复位reset与非门NANDgate直接置位端direct-setterminal直接复位端direct-resetterminalAD转换器analog-digital寄存器registerconverter(ADC)移位寄存器shiftregisterDA转换器digital-analog双向移位寄存器bidirectionalshiftconverter(DAC)register半导体存储器计数器counter只读存储器read-onlymemory同步计数器synchronouscounter(ROM)异步计数器asynchronouscounter随机存取存储器random-access加法计数器addingcountermemory(RAM)减法计数器subtractingcounter可编程ROMprogrammableROM定时器timer(PROM)清除(清0)clear载入load时钟脉冲clockpulse触发脉冲triggerpulse上升沿positiveedge下降沿?negativeedge时序图?timingdiagram波形图?waveform脉冲波形的产生与整形单?稳?态?触?发?器?monostableflip-flop双稳态触发器?bistableflip-flop无稳态振荡器?astableoscillator晶体?crystal555定时器?555timer模拟信号与数字信号的相互转换模拟信号?analogsignal数字信号?digitalsignal
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