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    • 8. 发明授权
    • Static type semiconductor memory
    • 静态型半导体存储器
    • US5088065A
    • 1992-02-11
    • US593584
    • 1990-10-05
    • Shoji HanamuraMasaaki KuboteraKatsuro SasakiTakao OonoKiyotsugu Ueda
    • Shoji HanamuraMasaaki KuboteraKatsuro SasakiTakao OonoKiyotsugu Ueda
    • G11C7/06G11C11/419
    • G11C7/062G11C11/419
    • Information read out from a memory cell of a static type semiconductor memory is subjected to multi-stage sense amplification in an initial stage sense amplifier, a post-stage sense amplifier and a main amplifier and then transmitted to the input of an output buffer circuit. Since an equalizing circuit is connected to the complementary inputs of each stage of the multi-stage sense amplifier, an inverse information read operation can be executed at high speed. Initially, the initial stage sense amplifier, the post-stage sense amplifier and the main amplifier are controlled to operate in high amplification gain conditions so as to execute high speed sense amplification and thereafter controlled to operate in such low power consumption conditions that the read-out information output obtained by the high speed sense amplification will not disappear.
    • 从静态半导体存储器的存储单元读出的信息在初级读出放大器,后级读出放大器和主放大器中进行多级感测放大,然后传输到输出缓冲电路的输入端。 由于均衡电路连接到多级读出放大器的各级的互补输入,所以可以高速执行反向信息读取操作。 最初,初级读出放大器,后级读出放大器和主放大器被控制为在高放大增益条件下工作,以便执行高速感测放大,此后被控制以在低功耗条件下工作, 通过高速感测放大获得的输出信息输出不会消失。