negative logic


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negative logic

[′neg·əd·iv ‚läj·ik]
(electronics)
Logic circuitry in which the more positive voltage (or current level) represents the 0 state; the less positive level represents the 1 state.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

negative logic

The use of high voltage for a 0 bit and low voltage for a 1 bit. Contrast with positive logic.
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References in periodicals archive ?
The UL94 V-0-rated units protect against hiccup-mode overcurrent, output overvoltage, input undervoltage lockout, and overtemperature shutdown, and interface and trim capabilities consist of remote sense, remote ON/OFF (positive or negative logic option), and 10 percent/-20 percent output voltage trim ranges.
In this light, it is easier to understand the negative logic of the outrageous iconic building, the way it seeks to provoke a paranoid reaction, especially among journalists.
The new snap-on modules offer higher density discrete input and output capabilities, negative logic discrete, additional analog input and output options, a higher-speed counter input, and new power and segment terminals with build-in fusing and diagnostics.