A clock driver is mounted in the center of a printed-circuit board, and a plurality of synchronous DRAMs are arranged on left and right hand sides of the clock driver in different banks. A clock signal is supplied from the clock driver to the synchronous DRAMs via clock wires. Wiring distances for supplying...http://www.google.fr/patents/US5495435?utm_source=gb-gplus-shareBrevet US5495435 - Synchronous DRAM memory module
