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    • 7. 发明授权
    • Semiconductor memory device
    • 半导体存储器件
    • US5268867A
    • 1993-12-07
    • US957001
    • 1992-10-06
    • Masaki MomodomiYasuo ItohYoshihisa IwataTomoharu TanakaYoshiyuki Tanaka
    • Masaki MomodomiYasuo ItohYoshihisa IwataTomoharu TanakaYoshiyuki Tanaka
    • G11C11/409G11C5/14G11C7/10G11C16/06G11C16/20G11C16/26G11C7/00
    • G11C7/1048G11C16/20G11C16/26G11C5/147
    • The present invention provides a semiconductor memory device capable of reducing its current consumption, controlling the generation of noise, and increasing in access using a precharge voltage applied to a precharge circuit. In the semiconductor memory device, a precharge circuit is connected to a pair of data input/output lines, and includes a MOS transistor connected between one of the data input/output lines and a node of a precharge voltage and a MOS transistor connected between the other data input/output line and a node of the precharge voltage. The gates of the MOS transistors are supplied with control signals so that the MOS transistors are turned on when the data input/output lines are precharged. A MOS transistor is connected to the data input/output lines for equalizing them. The precharge voltage is set to half of a value obtained by subtracting the threshold voltage of the MOS transistor from the power supply voltage.
    • 本发明提供一种半导体存储器件,其能够降低其电流消耗,控制噪声的产生,并且使用施加到预充电电路的预充电电压来增加存取。 在半导体存储器件中,预充电电路连接到一对数据输入/输出线,并且包括连接在数据输入/输出线之一和预充电电压的节点之间的MOS晶体管和连接在 其他数据输入/输出线和预充电电压的节点。 MOS晶体管的栅极被提供控制信号,使得当数据输入/输出线被预充电时MOS晶体管导通。 MOS晶体管连接到数据输入/输出线,以使它们均衡。 预充电电压被设定为通过从电源电压减去MOS晶体管的阈值电压而获得的值的一半。