Patent ID: 6320782
Filing Date: 2001-11-20
Classification: G11C,H01L

Abstract:
A mobile phone, comprising:a microprocessor for performing various arithmetic processing operations;a voice input device;a key input or a hand touch device;an antenna to output/input a radio wave;a sending/receiving device connected to said antenna to send/receive data;a display device connected to said microprocessor to display necessary information; anda semiconductor memory device connected to said microprocessor to read/write data,wherein said semiconductor memory device includes a plurality of memory cells each having a transistor, which has a source terminal and a drain terminal, and a ferroelectric capacitor, which has a first terminal connected to said source terminal and a second terminal connected to said drain terminal,a predetermined number of said memory cells are connected in series to constitute a memory cell block, anda plurality of said memory cell blocks are arranged to constitute a cell array.