题目内容
若要求JK触发器输出保持“1”态不变，则其输入应为JK=。
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RS、JK、D、T四种触发器中，输出等于输入的是()，触发器,仅具有保持和翻转功能的是(),触发器,功能最多的是(),触发器,对输入信号存在约束条件的是()触发器。
RS触发器在使用时对输入信号存在约束条件。
锁存器比触发器具有更好的抗干扰性能。
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