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    • 63. 发明专利
    • Semiconductor storage device
    • 半导体存储设备
    • JP2013073657A
    • 2013-04-22
    • JP2011213086
    • 2011-09-28
    • Winbond Electronics Corpウィンボンド エレクトロニクス コーポレーション
    • YANO MASARU
    • G11C16/06G11C16/04
    • G11C16/08G11C8/08G11C16/0483
    • PROBLEM TO BE SOLVED: To provide a semiconductor storage device which reduces an electric field to be applied to a word line on a memory array, and can reduce the area of a chip.SOLUTION: A flash memory 100 includes: a memory array 110; a word line decoder 120 which is arranged in the end in the row direction of the memory array 110, selects a specific memory block in the memory array on the basis of an address signal, and outputs a selection signal to the selected memory block; and a word line driving circuit 130 which is arranged between the memory arrays 110A and 110B, and includes a switch circuit for switching an operation voltage to be supplied to the memory cell based on the selection signal, and a boosting circuit for boosting the selection signal. The word line decoder 120 has a wire WR(i) for carrying the selection signal, and the wire WR(i) is connected to the switch circuit of the word line driving circuit 130.
    • 解决的问题:提供一种能够减少施加到存储器阵列上的字线的电场的半导体存储装置,并且可以减小芯片的面积。 闪存100包括:存储器阵列110; 在存储器阵列110的行方向上配置的字线解码器120基于地址信号选择存储器阵列中的特定存储块,并将选择信号输出到选择的存储块; 以及布置在存储器阵列110A和110B之间的字线驱动电路130,并且包括用于基于选择信号切换要提供给存储器单元的操作电压的开关电路,以及用于升高选择信号的升压电路 。 字线解码器120具有用于承载选择信号的布线WR(i),并且布线WR(i)连接到字线驱动电路130的开关电路。版权所有:(C)2013,JPO&INPIT