| 摘要 |
A group of pass transistors causes xi, xi-B to pass therethrough when 1X indicates affirmation but not pass therethrough when 1X indicates negation, and causes xi-1, xi-1-B to pass therethrough when 2X indicates affirmation but not pass therethrough when 2X indicates negation. In a switch-transistor arrangement portion, when each of 1X and 2X has a value indicating negation, a first electric potential appears at a first node, and a second electric potential appears at a second node. A positive-and-negative-responding pass-transistor group causes the value of the first node to pass therethrough when COMP has a value indicating negation, and causes the value of the second node to pass therethrough when COMP has a value indicating affirmation.
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