In a semiconductor memory device comprising a cell array of memory cells each including a cell transistor and a capacitor, word lines and bit line pairs, the control circuit controls the memory circuit to set the bit lines to a high level to write "1" data into the memory cells regardless of a logic...http://www.google.com.au/patents/US20020080664?utm_source=gb-gplus-sharePatent US20020080664 - Semiconductor device