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    • 6. 发明申请
    • SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE
    • 半导体集成电路设备
    • US20150380076A1
    • 2015-12-31
    • US14835127
    • 2015-08-25
    • Renesas Electronics Corporation
    • Noriaki MAEDAYoshihiro SHINOZAKIMasanao YAMAOKAYasuhisa SHIMAZAKIMasanori ISODAKoji NII
    • G11C11/412
    • G11C11/412G11C5/063G11C5/14G11C11/419H01L27/11H01L27/1104
    • The invention provides a semiconductor integrated circuit device provided with an SRAM that satisfies the requirements for both the SNM and the write margin with a low supply voltage. The semiconductor integrated circuit device include: multiple static memory cells provided in correspondence with multiple word lines and multiple complimentary bit lines; multiple memory cell power supply lines that each supply an operational voltage to each of the multiple memory cells connected to the multiple complimentary bit lines each; multiple power supply circuits comprised of resistive units that each supply a power supply voltage to the memory cell power supply lines each; and a pre-charge circuit that supplies a pre-charge voltage corresponding to the power supply voltage to the complimentary bit lines, wherein the memory cell power supply lines are made to have coupling capacitances to thereby transmit a write signal on corresponding complimentary bit lines.
    • 本发明提供了一种具有SRAM的半导体集成电路器件,其满足对具有低电源电压的SNM和写入裕度两者的要求。 半导体集成电路装置包括:与多个字线和多个互补位线对应地设置的多个静态存储单元; 多个存储单元电源线,其各自向连接到多个互补位线的多个存储器单元中的每一个提供工作电压; 多个电源电路由电阻单元构成,每个电阻单元各自向存储单元电源线提供电源电压; 以及预充电电路,其向互补位线提供与电源电压相对应的预充电电压,其中使存储单元电源线具有耦合电容,从而在相应的互补位线上传输写信号。