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    • 8. 发明申请
    • ELECTRONIC CIRCUIT
    • 电子电路
    • WO1997026656A1
    • 1997-07-24
    • PCT/DE1997000071
    • 1997-01-16
    • SIEMENS AKTIENGESELLSCHAFTVON BASSE, Paul-WernerTHEWES, RolandSCHMITT-LANDSIEDEL, DorisBOLLU, Michael
    • SIEMENS AKTIENGESELLSCHAFT
    • G11C07/06
    • G01R27/02
    • The invention concerns an electronic circuit comprising an inverter and a further transistor (M3) of which the gate connection is connected to the inverter output and of which the source and drain connections are connected between the input of the inverter (PL) and a connection of the supply voltage (VDD) such that a feedback loop is produced. When the input voltage drops from a maximum value as a result of low resistance at the test lead when a given voltage value is attained, the feedback loop allows the output voltage to jump to an extreme value such that the current flowing through the circuit first increases to a maximum and is interrupted abruptly when a maximum current intensity is reached. A fourth transistor (M4) between the further transistor (M3) and the connection to the supply voltage is provided in order to adapt the circuit to different conditions by applying a control voltage (VS) to the gate of this transistor. This circuit can, for example, be used to read semiconductor memories.
    • 连接在逆变器和另外的晶体管(M3),其栅极端子连接到逆变器和逆变器(PL)的输入之间的源极和漏极端子的输出的电子电路和电源电压的端子(VDD)是 ,使得反馈实现,其可以跳输出电压极值当输入电压从最大值下降的测试线的低电阻的结果,当一定的电压值,使得电流流过电路第一增加到最大 并达到最大电流时突然中断。 该另一个晶体管(M3)和到电源的连接之间的第四晶体管(M4)被施加控制电压(VS)到这个晶体管的栅极,以适应电路以不同的条件规定。 该电路可以是例如 被用于读出的半导体存储器。