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    • 52. 发明申请
    • Output circuit for a bus
    • 总线输出电路
    • US20080136506A1
    • 2008-06-12
    • US11984714
    • 2007-11-21
    • Isao MatsumotoHidekazu Kikuchi
    • Isao MatsumotoHidekazu Kikuchi
    • G05F1/44
    • G06F13/4072
    • An output circuit for a bus whose output node is connected to a bus, including a first current source connected to a first reference potential, a first semiconductor switching element connected between the first current source and the output node, a current control circuit for controlling the first semiconductor switching element such that the first current source and the output node are connected when a voltage of the output node is lower than a reference voltage, and the first current source and the output node are disconnected when a voltage of the output node is higher than the reference voltage, and a voltage generating circuit which is connected between the output node and a second reference potential, and includes a second semiconductor switching element turned on/off based on an output control signal.
    • 一种用于总线的输出电路,其输出节点连接到总线,包括连接到第一参考电位的第一电流源,连接在第一电流源和输出节点之间的第一半导体开关元件,用于控制 第一半导体开关元件,使得当输出节点的电压低于参考电压时,第一电流源和输出节点连接,并且当输出节点的电压较高时,第一电流源和输出节点断开 以及连接在输出节点和第二参考电位之间的电压产生电路,并且包括基于输出控制信号导通/截止的第二半导体开关元件。