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    • 1. 发明专利
    • Flip-flop circuit and frequency divider using it
    • FLIP-FLOP电路和使用它的频率分路器
    • JP2007214960A
    • 2007-08-23
    • JP2006033595
    • 2006-02-10
    • Oki Electric Ind Co Ltd沖電気工業株式会社
    • AKAHORI AKIRA
    • H03K3/356H03K23/00
    • H03K23/58H03K3/012H03K3/356139H03K23/60
    • PROBLEM TO BE SOLVED: To obtain low power consumption while operation speed is kept unchanged. SOLUTION: In a toggle type flip-flop circuit (TFF), each signal of an output terminal (out) and an inverse output terminal (outb) latched at latch portions 22A, 22B are converted through a clock (ck) and an inverse clock (ckb). A load transistor 21-11 connected to the output terminal (out) is subjected to continuity control by a signal from the inverse output terminal (outb), and a load transistor 21-12 connected to the inverse output terminal (outb) is subjected to continuity control by a signal from the output terminal (out). In this way, the low power consumption is ensured while rising speed of H level signal is kept unchanged. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了在运行速度保持不变的情况下获得低功耗。 解决方案:在触发式触发器电路(TFF)中,锁存部分22A,22B上锁存的输出端子(out)和反向输出端子(outb)的每个信号通过时钟(ck)和 反时钟(ckb)。 连接到输出端子(out)的负载晶体管21-11通过来自反向输出端子(outb)的信号进行导通性控制,连接到反相输出端子(outb)的负载晶体管21-12被 通过输出端子(输出)的信号进行连续性控制。 这样,在H电平信号的上升速度保持不变的同时确保低功耗。 版权所有(C)2007,JPO&INPIT
    • 5. 发明专利
    • Cmos counter circuit
    • CMOS计数器电路
    • JPS59122128A
    • 1984-07-14
    • JP22865082
    • 1982-12-28
    • Fujitsu Ltd
    • KIMURA MASAHARU
    • H03K23/54H03K23/60
    • H03K23/60
    • PURPOSE:To output a non-inverting signal and an inverting signal in the same phase by a clock signal of single phase by constituting a dynamic counter circuit of a CMOS to quicken the speed and make the power consumption low. CONSTITUTION:When the level of an input is an L, then an MOS transistor(TR) T1 is turned off and a TRT2 is turned on. As a result, a point C goes to an H level and a T5 is turned off. Further, since the level of the input to a T3 is L, a voltage at a point (d) remains at the preceding level. When the voltage stored at the point (d) is in the L level, then a T8 is turned off and a T7 is turned off. Since a T9 is turned on, a point (e) reaches the H level and a non-inverting output Qn goes to the H level. Then, an output point (f) of inverters T10, T11 goes to the L level. Suppose that the input is changed to the H level, the point (d) goes to the H level and the output level at the points (e) and (f) is unchanged. When the input goes to the L level again, the point (e) goes to the L level and the point (f) is inverted into the H level.
    • 目的:通过构成CMOS的动态计数器电路,通过单相的时钟信号在相位相中输出同相反相信号和反相信号,以加快速度,降低功耗。 构成:当输入电平为L时,MOS晶体管(TR)T1截止,TRT2导通。 结果,点C变为H电平,T5关闭。 此外,由于输入到T3的电平为L,所以在点(d)处的电压保持在前一电平。 当存储在点(d)的电压处于L电平时,则T8断开,T7断开。 由于T9导通,点(e)达到H电平,同相输出Qn变为H电平。 然后,逆变器T10,T11的输出点(f)变为L电平。 假设输入变为H电平,点(d)变为H电平,点(e)和(f)的输出电平不变。 当输入再次进入L电平时,点(e)变为L电平,点(f)反转为H电平。