Importance

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Abstract

A signal is supplied to a number of synchronizing circuits with a small skew. A signal supply circuit (400a) includes four driver circuits (1a), (401), (402) and (403). The driver circuit (1a) receives an input signal which is supplied to synchronizing circuits (301) to (332). An output of the driver circuit (1a) is supplied to the left-hand side edge of a first wire (5). The driver circuits (401), (403) and (402) are disposed at the left-hand side edge, the right-hand side edge and a center of first wire (5), respectively, so that outputs from the driver circuits (401), (403) and (402) are supplied to a second wire (6). Input terminals of the synchronizing circuits (301) to (332) are each connected to the second wire (6). The driver circuits (401), (402) and (403), i.e., second signal transmitting elements, start transmission in this order, and therefore, a transition of the signal becomes abrupt at the driver circuits (401), (402) and (403) in this order.

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