There is provided an inventive semiconductor memory device and control method thereof capable of preventing shift operation to deactivated state and data access due to transition of address signals from occurring concurrently without accompanying delay of access time, thereby to prevent data-holding characteristic of memory cell from deteriorating. In one embodiment, an apparatus for performing cryptographic operations is provided. Such improved functionality is particularly useful in association with the phased array antenna of a base station of a time division multiple access cellular communication system, where it is necessary to cancel interference from co-channel users located in cells adjacent to the cell containing a desired user and the base station. Thereafter, a plurality of hyper-text documents arranged in the hierarchy structure are prepared from the node information and the hierarchy structure information. The fingers pinch the tissue while reducing or eliminating compression of the sample to provide an easier removal of the tissue from adjacent tissue, as well as providing a block or backstop keeping the tissue within the needle.