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    • 3. 发明授权
    • Semiconductor memory device having data bus reset circuit
    • 具有数据总线复位电路的半导体存储器件
    • US4821232A
    • 1989-04-11
    • US97556
    • 1987-09-16
    • Masao NakanoTsuyoshi OhiraHirohiko MochizukiYukinori KodamaHidenori Nomura
    • Masao NakanoTsuyoshi OhiraHirohiko MochizukiYukinori KodamaHidenori Nomura
    • G11C11/409G11C7/10G11C7/20G11C13/00G11C11/40
    • G11C7/20G11C7/1048
    • A semiconductor memory device comprises a memory cell array comprising a plurality of memory cells arranged in a matrix arrangement, a sense amplifier, operatively connected to the memory cell array, amplifying a signal read out from one of the memory cells and having a pair of output terminals for outputting a complementary signal, a pair of data buses for transferring the complementary signal, a transfer gate for connecting the pair of output terminals to the pair of data buses responsive to a read operation, a data output buffer connected to the pair of data buses for outputting an output signal, and a reset circuit for resetting the pair of data buses to a predetermined voltage before each read operation responsive to a reset clock signal. The reset circuit comprises a first circuit connected to the pair of data buses for connecting the pair of data buses to a common node responsive to the reset clock signal, and a second circuit connected between the common node and a ground voltage for shifting a potential at the common node to a voltage which is the predetermined voltage greater than the ground voltage.
    • 半导体存储器件包括存储单元阵列,该存储单元阵列包括以矩阵布置的多个存储单元,读出放大器,可操作地连接到存储单元阵列,放大从一个存储单元读出的信号,并具有一对输出 用于输出互补信号的端子,用于传送互补信号的一对数据总线,用于响应于读取操作将一对输出端连接到该对数据总线的传输门,连接到该对数据的数据输出缓冲器 用于输出输出信号的总线;以及复位电路,用于响应于复位时钟信号在每次读取操作之前将该对数据总线复位到预定电压。 复位电路包括连接到该对数据总线的第一电路,用于响应于复位时钟信号将一对数据总线连接到公共节点,以及连接在公共节点和接地电压之间的第二电路, 该公共节点为大于接地电压的预定电压的电压。
    • 5. 发明授权
    • Transfer gate circuit protected from latch up
    • 传输门电路防止锁定
    • US4806795A
    • 1989-02-21
    • US97557
    • 1987-09-16
    • Masao NakanoTsuyoshi OhiraHidenori Nomura
    • Masao NakanoTsuyoshi OhiraHidenori Nomura
    • H01L27/08H01L21/8238H01L27/092H03K17/687H03K17/16H03K19/096
    • H03K17/6872
    • A transfer gate circuit including a first MIS transistor which transmits an input signal supplied from an input side thereof to an output side thereof in accordance with a control signal supplied to a gate of the first MIS transistor; an inverter circuit connected between power supply lines which inverts the potential of the transmitted input signal; and an output level guarantee circuit comprising second and third MIS transistors which have conductivity type opposite to that of the first MIS transistor and are connected in series between one of the power supply lines and the output side, an output signal of the inverter circuit being supplied to a gate of the second MIS transistor, an inverted signal of the control signal supplied to the gate of the first MIS transistor being supplied to a gate of the third MIS transistor.
    • 一种传输门电路,包括:第一MIS晶体管,其根据提供给第一MIS晶体管的栅极的控制信号将从其输入侧提供的输入信号传输到其输出侧; 连接在电源线之间的逆变器电路,其反转所发送的输入信号的电位; 以及输出电平保证电路,包括第二和第三MIS晶体管,其具有与第一MIS晶体管的导电类型相反的导电类型,并且串联连接在一个电源线和输出侧之间,反相器电路的输出信号被提供 到第二MIS晶体管的栅极,提供给第一MIS晶体管的栅极的控制信号的反相信号被提供给第三MIS晶体管的栅极。