V2EX edge-triggered

EDGE-TRIGGERED

释义 Definition

(电子/数字电路)边沿触发的:指触发动作只在时钟信号的上升沿或下降沿瞬间发生,而不是在电平保持为高或低的整个期间都有效。常用于触发器(flip-flop)、寄存器和同步电路中。

发音 Pronunciation (IPA)

/ed trrd/

例句 Examples

An edge-triggered flip-flop changes state only on the clock’s rising edge.
边沿触发触发器只会在时钟的上升沿改变状态。

Using edge-triggered registers helps prevent multiple updates during a long clock-high interval, improving timing reliability in synchronous designs.
使用边沿触发寄存器可以避免在时钟高电平持续期间发生多次更新,从而提高同步设计的时序可靠性。

词源 Etymology

edge(边、边缘) + triggered(被触发的) 组成。在数字电路语境中,edge 专指信号从低到高或从高到低的“边沿”(transition),强调“触发发生在变化瞬间”。该用法随着同步逻辑与时钟驱动电路的普及而成为工程常用术语。

相关词 Related Words

文学与著作 Literary & Notable Works

  • The Art of Electronics(Horowitz & Hill)
  • Digital Design and Computer Architecture(Harris & Harris)
  • CMOS VLSI Design: A Circuits and Systems Perspective(Weste & Harris)
  • Computer Organization and Design(Patterson & Hennessy)
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