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    • 6. 发明授权
    • Low consumption boosted voltage driving circuit
    • 低功耗升压电压驱动电路
    • US6130844A
    • 2000-10-10
    • US257682
    • 1999-02-26
    • Tommaso ZerilliMaurizio Gaibotti
    • Tommaso ZerilliMaurizio Gaibotti
    • G11C8/08G11C7/00
    • G11C8/08
    • A boosted voltage driving circuit includes an inverter circuit with positive feedback and a selective breaking circuit. The selective breaking circuit disconnects the positive feedback from the output load during an operation phase of the boosted voltage driving circuit in order to reduce energy consumption. In a preferred embodiment, the boosted voltage driving circuit is the final stage of a decoder circuit for selecting and deselecting a line or column of a memory array, and the positive feedback is disconnected during a deselection phase in which the line or column is deselected. The present invention also provides a boosted voltage driving circuit that includes first, second, and third transistors and a selective breaking circuit. The first transistor is connected between a supply voltage and an output node, the second transistor is connected between the output node and ground, and the third transistor is connected between the supply voltage and the gate of the first transistor. Further, the selective breaking circuit is connected between the output node and the gate of the third transistor to disconnect the gate of the third transistor from the output node during an operation phase of the boosted voltage driving circuit.
    • 升压电压驱动电路包括具有正反馈的反相器电路和选择性分断电路。 选择性分断电路在升压电压驱动电路的运行阶段将正反馈与输出负载断开,以便降低能耗。 在优选实施例中,升压电压驱动电路是用于选择和取消选择存储器阵列的行或列的解码器电路的最后一级,并且在取消选择行或列的取消选择阶段中断开正反馈。 本发明还提供一种包括第一,第二和第三晶体管和选择性分断电路的升压电压驱动电路。 第一晶体管连接在电源电压和输出节点之间,第二晶体管连接在输出节点和地之间,第三晶体管连接在电源电压和第一晶体管的栅极之间。 此外,选择性分断电路连接在第三晶体管的输出节点和栅极之间,以在升压电压驱动电路的操作阶段期间将第三晶体管的栅极与输出节点断开。
    • 7. 发明授权
    • Bias circuit for read amplifier circuits for memories
    • 用于存储器的读取放大器电路的偏置电路
    • US06288960B1
    • 2001-09-11
    • US09686326
    • 2000-10-11
    • Antonino ConteMaurizio GaibottiTommaso Zerilli
    • Antonino ConteMaurizio GaibottiTommaso Zerilli
    • G11C700
    • G11C7/14G11C7/062
    • A bias circuit for read amplifier circuits for memories includes at least one first circuit branch formed by a first pair of MOS transistors connected between a supply voltage and ground. The first pair of MOS transistors includes a P-channel diode connected transistor and an N-channel transistor connected in series, with an enable transistor interposed therebetween. The first circuit branch drives a capacitive load for coupling to the supply voltage. The bias circuit further includes reference current amplifier circuit branches for amplifying a reference current which flows in the first circuit branch for charging the capacitive load. A circuit portion, which controls the charging current of the capacitive load, includes a feedback loop between the reference current amplifier circuit branches and the capacitive load.
    • 用于存储器的读取放大器电路的偏置电路包括由连接在电源电压和地之间的第一对MOS晶体管形成的至少一个第一电路支路。 第一对MOS晶体管包括串联连接的P沟道二极管晶体管和N沟道晶体管,其间插入有使能晶体管。 第一个电路分支驱动电容性负载以耦合到电源电压。 偏置电路还包括用于放大在第一电路支路中流动以对电容性负载充电的参考电流的参考电流放大器电路分支。 控制电容性负载的充电电流的电路部分包括参考电流放大器电路分支和容性负载之间的反馈回路。