A semiconductor memory device is capable of performing a faster operation by reducing a load applied to a subword selection line or driving a subword driver provided for each memory mat. The present invention also pertains to such compounds, pharmaceutical compositions comprising such compounds, such compounds for medical use, such compounds use in the treatment of conditions mediated by HSP90, including, for example, cancer, and use of such compounds in the preparation of medicaments for such treatments. The invention also provides pharmaceutical compositions comprising the inhibitors of the invention and methods of utilizing those compositions in the treatment and prevention of various disorders.