| 摘要 |
The potential exchange circuit according to the subject of the invention has the effect that the A potential is displaced to the left if the B potential is less than the A potential. This case occurs if the inputs A4 and B2 are triggered with high potential. In this case, the outputs C2 and D4 have high potential, and thus the intended purpose is achieved. In the reverse case (the inputs A2 and B4 are triggered), the outputs C2 and D4 also have high potential, because no exchange occurs in this case. <IMAGE>
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