| 摘要 |
PROBLEM TO BE SOLVED: To provide a self-synchronizing FIFO (First In First Out) memory device which can substantially increase a physical memory capacity without increasing the delay time and can process two asynchronous requests of writing and reading in parallel. SOLUTION: The self-synchronizing FIFO memory device 100 has a structure lined up with n pieces of self-synchronizing data transmission lines 111 to 11n in parallel. An input control section 101 selects one among n pieces of the self-synchronizing data transmission lines and mediates the hand-over of a first transfer request signal, a first acknowledge (transfer instruction) signal and data between the selected self-synchronizing data transmission line and the self-synchronizing data transmission line of a previous stage. Also, an output control section 102 selects one among n pieces of the self-synchronizing data transmission lines and mediates the hand-over of a second transfer request signal, a second acknowledge (transfer instruction) signal and data between the selected self-synchronizing data transmission line and the self-synchronizing data transmission line of a post stage. COPYRIGHT: (C)2004,JPO
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