• 2022-06-03
    用集成四位全加器74283和组合逻辑电路设计的代码转换电路如图所示。设电路输入DCBA为8421BCD码,若要电路输出S3S2S1S0的编码为5421BCD码,则74283的加数B3B2B1B0对应的输入为 。[img=347x318]1803959c99c6259.jpg[/img]
    A: [img=53x22]1803959ca35c326.png[/img],[img=53x22]1803959cab9f360.png[/img],[img=53x22]1803959cb32fed1.png[/img],[img=53x22]1803959cbb47fc8.png[/img]
    B: [img=53x22]1803959cc38a4c5.png[/img],[img=53x22]1803959ccbae6c2.png[/img],[img=53x22]1803959cd49f34b.png[/img],[img=53x22]1803959cdd7557d.png[/img]
    C: [img=53x22]1803959ca35c326.png[/img],[img=53x22]1803959cab9f360.png[/img],[img=200x22]1803959cf6f4cf5.png[/img]
    D: [img=53x22]1803959ca35c326.png[/img],[img=200x22]1803959d0789be2.png[/img],[img=53x22]1803959d0fbd8e9.png[/img]
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