| 摘要 |
The present invention provides a serial-parallel conversion apparatus comprises N conversion circuits, each having: a separator for dividing an input data from an upper node according to a clock signal from the upper node, into a plurality of data corresponding to a plurality of terminals; and a clock generator that divides by two the input clock signal and outputs a resultant clock as a clock signal to a lower node. These N conversion circuits are connected in a tree structure. Thus, each separator divides a data according to a clock supplied from an immediate upper node, and each clock generator divides by two the input clock signal. The resultant clock signal serves as a clock signal in a conversion circuit of a lower node. Accordingly, it is possible to minimize the signal line length for transmitting the clock signal. This enables to obtain an optimal clock signal timing.
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