| 摘要 |
An address signal is transferred from an address bus transmitting an address from an address generation circuit, to a real address bus connecting to a decoder for decoding an applied address signal, via a branch node, a branch address bus and contacts. The real address bus and the branch address bus are electrically connected at a plurality of points using the contacts. The branch address bus functions as a lining or backing signal line to the real address bus, and a line resistance and line capacitance of the real address bus can be equivalently reduced. A variation in signal propagation delay over an entire decoding circuits is suppressed.
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