| 单词 | latch circuit |
| 释义 | > as lemmaslatch circuit b. Electronics. A logic circuit which retains whatever output state results from a momentary input signal until the application of a different signal to the same input point or the same signal to a different point. Also latch circuit. ΘΚΠ society > computing and information technology > [noun] > logic > operation > logic element > circuit containing OR gate1953 parametron1956 latch1959 XOR gate1969 the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > electronic circuit > [noun] > trigger circuit > switching circuit flip-flop1935 toggle circuit1953 latch1959 1959 E. M. Grabbe et al. Handbk. Automation, Computation, & Control II. xvii. 6 A delay element is provided with external gating which enables it to hold information provided on the ‘set’ input until a ‘reset’ input of 1 occurs. This configuration..is sometimes referred to as a latch. 1962 J. H. Simpson & R. S. Richards Physical Princ. Junction Transistors xvi. 403 A variant of it [sc. the ‘flip-flop’], known as the latch, is an asymmetric bistable multivibrator. 1971 J. H. Smith Digital Logic iv. 54 A push button might be pressed and at a certain time in a machine sequence the fact that the button was pressed may be needed to change the sequence. The latch circuit is therefore used to ‘remember’ that a push button has been pressed. 1971 J. H. Smith Digital Logic iv. 54 A 1 signal applied momentarily to the set input of NOR 1 will make O/P1 a 0 signal... To reset the latch a 1 signal is fed to the reset input which makes O/P2 fall to 0. As NOR 1 no longer has a 1 input, O/P1 changes to 1, thereby holding O/P2 at the 0 level. < as lemmas |
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