Semiconductor memory module
A memory module and semiconductor technology, applied in semiconductor devices, static memory, memory systems, etc., can solve the problems of high number of pins, difficult to implement, high cost, etc., and achieve the effect of improving heat distribution and reducing operating temperature.
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[0025] exist figure 1 In the first embodiment of the present invention schematically shown in , the chip package 11 ( figure 2 shown in detail in ) is arranged at an approximately central position on the semiconductor memory module 10, which in this example is an RDIMM module mounted with DDR-DRAM chips 4 each storing eight data items D and Another DDR-DRAM chip 4a for error correction (DE-CC). Outside the semiconductor memory module 10, the 8-bit wide data line portion supplies write and read data to the DDR-DRAM chips 4 and 4a. The differential clock signal input line 61 supplies the clock signal C1 to the common chip package 11 from the pin contact 8, and the line portion 71 with a specific bit width also supplies the command and address input signal CA to the common chip package from the pin contact 8. Body 11. From figure 2 As can be seen in , in this example, clock signal regeneration circuit 12 and register circuit 13 multiply clock signal 61 and CA signal 71 by ...
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