The DC input currents of CMOS are orders of magnitude lower that those of TTL.However, the input capacitances are comparable so the switching transients are not much lower.
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释义
CMOS器件的输入电流与TTL器件相差几个数量级,不过,由于二者的输入电容差不多,所以交流瞬态性能并没有大幅优化[译者疑虑]。
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