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    • 81. 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
    • 84. 发明专利
    • Differential master/slave cml latch
    • 差异主/从动CML锁
    • JP2005318609A
    • 2005-11-10
    • JP2005129077
    • 2005-04-27
    • Seiko Epson Corpセイコーエプソン株式会社
    • MELTZER DAVIDPADAPARAMBIL MURALIKUMAR ATAT C WU
    • H03K3/3562H03K3/0233H03K3/037H03K3/356H03K5/26H03K19/003H03L7/089
    • H03K3/356139H03K3/3562
    • PROBLEM TO BE SOLVED: To provide a phase and frequency detector having a differential architecture so that its operation can be performed at the highest possible frequency and with low noise generation. SOLUTION: A fully differential phase and frequency detector utilizes a multi-function differential logic gate to implement a differential AND gate operation and provides a fully differential D-flip-flop. The multi-function differential logic gate has four inputs, which can be grouped into two pairs of true and complement signals. By selectively re-assigning the inputs to different signal pairs, the differential logic gate can be made to provide one of either simultaneous AND/NAND logic operations or simultaneous OR/NOR logic operations. The differential D-flip-flop is implemented following a master/slave configuration and responds to the true and complement forms of an input clock signal, an input reset input, and input data signal, and also provides true and complement forms of an output signal. All elements within the phase and frequency detector are exemplified in CML circuit configuration. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供具有差分架构的相位和频率检测器,使得其可以以最高可能频率执行并且具有低噪声产生。 解决方案:全差分相位和频率检测器利用多功能差分逻辑门来实现差分和门操作,并提供全差分D触发器。 多功能差分逻辑门有四个输入,可以分为两对真和补两个信号。 通过选择性地将输入重新分配给不同的信号对,可以使差分逻辑门提供同时的与/或非逻辑运算或同时的OR / NOR逻辑运算之一。 差分D触发器按照主/从配置实现,并响应输入时钟信号,输入复位输入和输入数据信号的真实和补码形式,并提供输出信号的真实和补码形式 。 相位和频率检测器中的所有元件都以CML电路配置为例。 版权所有(C)2006,JPO&NCIPI
    • 90. 发明专利
    • High speed input receiver for generating pulse signal
    • 用于产生脉冲信号的高速输入接收器
    • JP2003046385A
    • 2003-02-14
    • JP2002074363
    • 2002-03-18
    • Samsung Electronics Co Ltd三星電子株式会社
    • LEE JONG CHEOLIN YOSHINRI KOSHIN
    • G06F3/00H03K3/00H03K3/012H03K3/356H03K19/0175
    • H03K3/356139H03K3/012H03K3/356156
    • PROBLEM TO BE SOLVED: To provide an input receiver for generating a pulse signal suitably for converting an external signal into a signal of a pulse form by a semiconductor device or the like.
      SOLUTION: The input receiver comprises a clock sampled amplifier for receiving a main clock signal and a reference signal, respectively, in response to a first state of the main clock signal and a sampling clock signal delayed from the main clock by a prescribed time, and for amplifying and sampling the voltage difference between the external signal and the reference signal, respectively, in response to a transition of the clock and delayed sampling clock signals to a second state; and a pulse generator that has an output node, is connected between a power supply voltage and a ground voltage, pre-charges the output node to a power source voltage level when the sampling clock is in the first state and pulls down the output node selectively to the level of the ground voltage according to the signal amplified, sampled by the clock sample amplifier and outputted when the sampling clock transits to the second state so as to output a pulse signal.
      COPYRIGHT: (C)2003,JPO
    • 要解决的问题:提供一种用于通过半导体器件等适当地产生用于将外部信号转换成脉冲形式的信号的脉冲信号的输入接收器。 解决方案:输入接收机包括响应于主时钟信号的第一状态和从主时钟延迟预定时间的采样时钟信号分别接收主时钟信号和参考信号的时钟采样放大器,以及 用于分别响应于时钟的转变和延迟的采样时钟信号而将外部信号和参考信号之间的电压差放大和采样到第二状态; 并且具有连接在电源电压和接地电压之间的输出节点的脉冲发生器,当采样时钟处于第一状态并且选择性地下拉输出节点时,将输出节点预充电到电源电压电平 根据放大的信号到接地电压的电平,由时钟采样放大器采样,当采样时钟转换到第二状态时输出,以输出脉冲信号。