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High-speed interface circuit for semiconductor memory chips and memory system including the same
High-speed interface circuit for semiconductor memory chips and memory system including the same
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机译:用于半导体存储芯片的高速接口电路和包括该接口电路的存储系统
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摘要
In a semiconductor memory system, the memory chips are linked to a memory module in a shared loop forward architecture and connected in a point-to-point connection to a memory controller. Each memory chip includes a high-speed interface circuit including: a read and write data/command-and-address signal re-driver/transmitter path for re-driving serial read data and write data/command-and-address signals not destined for the semiconductor memory chip; and a main signal path which includes a serial-to-parallel converter and a synchronizer for serial-to-parallel converting and synchronizing with a reference clock signal write data/command-and-address signals destined for the semiconductor memory chip as well as a parallel-to-serial converter for parallel-to-serial converting read data signals read from a memory core of the memory chips, and a switch for inserting the parallel-to-serial converted read data signals into the re-driver/transmitter path. Optionally the high-speed interface circuit additionally includes a transparent re-driver/transmitter path not including any synchronizing circuitry.
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