| 摘要 |
According to one embodiment, using several random access memory components, these several RAM components are integrally driven to form a logical line memory. The number of using RAM components is reduced to the minimum, and thereby, hardware cost is reduced. A line memory forming apparatus comprises cascade-connected several RAM components, several line memories logically serial-connected in a manner that of the several RAM components, part of an output of the final-stage RAM component and part of an input of the first-stage RAM component are provided with several connection portions, and a controller controlling write address and read address of the several RAM components to drive the line memories.
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