MEMORY MODULE HAVING MEMORY CHIP AND REGISTER BUFFER

摘要

Disclosed herein is a memory module that includes a register buffer and a memory chip each mounted on a module substrate. Each of the command address output terminals belonging to the first group provided on the register buffer is connected to an associated one of the command address input terminals belonging to the first group provided on the memory chip through associated ones of the plurality of contact plugs and the first wiring layer. Each of the command address output terminals belonging to the second group provided on the register buffer is connected to an associated one of the command address input terminals belonging to the second group provided on the memory chip through associated ones of the plurality of contact plugs and the second wiring layer.