Semiconductor memory device capable of generating internal data read timing precisely
    1.
    发明授权
    Semiconductor memory device capable of generating internal data read timing precisely 失效
    能够准确地产生内部数据读取定时的半导体存储器件

    公开(公告)号:US06760269B2

    公开(公告)日:2004-07-06

    申请号:US10445009

    申请日:2003-05-27

    IPC分类号: G11C700

    摘要: Dummy cells are divided into a plurality of divided dummy columns, and divided dummy bit lines are arranged corresponding to the divided dummy columns. These divided dummy bit lines are provided with dummy sense amplifiers that drive a sense control line transmitting a sense enable signal activating a sense amplifier. A faster activation timing of the sense amplifier can be achieved.

    摘要翻译: 虚拟单元被分成多个划分的虚拟列,并且分割的虚拟位线对应于分割的虚拟列排列。 这些分开的虚拟位线设置有虚拟读出放大器,其驱动感测控制线传输感测使能信号来激活读出放大器。 可以实现读出放大器的更快的激活定时。

    Static type semiconductor memory device with dummy memory cell
    2.
    发明授权
    Static type semiconductor memory device with dummy memory cell 有权
    具有虚拟存储单元的静态型半导体存储器件

    公开(公告)号:US06717842B2

    公开(公告)日:2004-04-06

    申请号:US10339324

    申请日:2003-01-10

    IPC分类号: G11C1100

    CPC分类号: G11C11/419

    摘要: The dummy cell of the SRAM corresponds to a normal memory cell of which first and second P-channel MOS transistors for loading are replaced by the first and the second N-channel MOS transistors, of which gate and source are provided with power supply potential and ground potential, respectively. When a word line rises to “H” level, third and fourth N-channel MOS transistors for accessing are rendered conductive, to pass current from dummy bit line to a line of ground potential via the third N-channel MOS transistor, the first N-channel MOS transistor, and a fifth N-channel MOS transistor for driving. Accordingly, speed of potential decrease of the dummy bit line may be faster than that of bit line. Hence, operational timing can easily be optimized, and operational margin can be increased.

    摘要翻译: SRAM的虚拟单元对应于其第一和第二P沟道MOS晶体管用于加载的第一和第二N沟道MOS晶体管被替代的正常存储单元,其中栅极和源极被提供有电源电位, 地电位。 当字线上升到“H”电平时,用于访问的第三和第四N沟道MOS晶体管导通,经由第三N沟道MOS晶体管将电流从虚拟位线传递到地电位,第一N 沟道MOS晶体管和用于驱动的​​第五N沟道MOS晶体管。 因此,虚拟位线的潜在降低速度可能比位线的速度更快。 因此,可以容易地优化操作时间,并且可以增加操作裕量。

    Semiconductor memory device with internal data reading timing set precisely
    3.
    发明授权
    Semiconductor memory device with internal data reading timing set precisely 失效
    具有内部数据读取定时精度的半导体存储器件

    公开(公告)号:US06690608B2

    公开(公告)日:2004-02-10

    申请号:US10329355

    申请日:2002-12-27

    IPC分类号: G11C702

    摘要: Dummy cells each having the same layout as a normal memory cell are aligned in a row direction to the normal memory cells, and are arranged in rows and columns. In each dummy cell column, a dummy bit line is arranged, and a plurality of dummy cells are simultaneously selected and connected to the corresponding dummy bit line when one word line is selected. A voltage detecting circuit detects the potentials on the dummy bit lines to determine timing of activation of a sense amplifier. In the semiconductor memory device, the potential on the dummy bit line can be changed at high speed, and internal data read timing can be optimized independent of a structure of a memory cell array.

    摘要翻译: 每个具有与正常存储器单元相同布局的虚拟单元在行方向上与正常存储器单元对齐,并且被排列成行和列。 在每个虚拟单元列中,布置虚拟位线,并且当选择一个字线时,多个虚拟单元同时选择并连接到相应的虚拟位线。 电压检测电路检测虚拟位线上的电位以确定读出放大器的激活时序。 在半导体存储器件中,可以高速地改变虚拟位线上的电位,并且能够独立于存储单元阵列的结构来优化内部数据读取定时。

    Phase-locked loop circuit and voltage-controlled oscillator capable of producing oscillations in a plurality of frequency ranges
    4.
    发明授权
    Phase-locked loop circuit and voltage-controlled oscillator capable of producing oscillations in a plurality of frequency ranges 失效
    能够产生多个频率范围的振荡的锁相环电路和压控振荡器

    公开(公告)号:US06188285B1

    公开(公告)日:2001-02-13

    申请号:US09281904

    申请日:1999-03-31

    IPC分类号: H03B502

    摘要: In a PLL circuit including a plurality of VCOs, first and second switches are respectively connected between the gate and source and the gate and drain of a P channel MOS transistor included in a current mirror circuit of each VCO. In a VCO which is employed, only the second switch is turned on to allow a control current to flow. In a VCO which is not employed, only the first switch is turned on to cut off the control current. Compared with a conventional circuit in which all of the plurality of VCOs are always producing oscillations, the power consumption is reduced.

    摘要翻译: 在包括多个VCO的PLL电路中,第一和第二开关分别连接在每个VCO的电流镜像电路中的P沟道MOS晶体管的栅极和源极以及栅极和漏极之间。 在采用的VCO中,只有第二开关导通以允许控制电流流动。 在不使用的VCO中,只有第一开关导通以截止控制电流。 与其中所有多个VCO总是产生振荡的常规电路相比,功耗降低。

    Cursor memory
    5.
    发明授权
    Cursor memory 失效
    游标记忆

    公开(公告)号:US5982366A

    公开(公告)日:1999-11-09

    申请号:US912637

    申请日:1997-08-18

    申请人: Yasunobu Nakase

    发明人: Yasunobu Nakase

    IPC分类号: G09G5/00 G09G5/08

    CPC分类号: G09G5/08

    摘要: First and second pattern data constituting cursor pattern data are stored separately in banks (101a, 101b). A cursor memory body (101) simultaneously outputs the first and second pattern data from the banks (101a, 101b). Therefore, a read circuit (102) can simultaneously output the first and second pattern data through a port (P2) with a simple control. With this configuration, an easy-controllable cursor memory can be provided.

    摘要翻译: 构成光标图案数据的第一和第二图案数据分别存储在存储体(101a,101b)中。 光标存储器主体(101)同时从存储体(101a,101b)输出第一和第二图案数据。 因此,读取电路(102)可以通过简单的控制通过端口(P2)同时输出第一和第二模式数据。 利用该配置,可以提供易于控制的光标存储器。

    Gate array system semiconductor integrated circuit device
    6.
    发明授权
    Gate array system semiconductor integrated circuit device 失效
    门阵列系统半导体集成电路器件

    公开(公告)号:US5298774A

    公开(公告)日:1994-03-29

    申请号:US844920

    申请日:1992-03-05

    CPC分类号: H01L27/11807 H01L27/0203

    摘要: Disclosed is a semiconductor integrated circuit device of a gate array system making it possible to mount a digital circuit and a high-precision analog circuit on a common substrate. This semiconductor integrated circuit device includes a basic cell array formed by a plurality of NMOS transistors and a plurality of PMOS transistors formed in rows on a semiconductor substrate. The basic cell array includes a plurality of N well regions formed in rows on the semiconductor substrate, P well regions and well terminal regions. The P well regions or N well regions are divided into small regions of the other conductivity type.

    摘要翻译: 公开了一种门阵列系统的半导体集成电路器件,使得可以在公共衬底上安装数字电路和高精度模拟电路。 该半导体集成电路器件包括由多个NMOS晶体管形成的基本单元阵列和在半导体衬底上以行形成的多个PMOS晶体管。 基本单元阵列包括在半导体衬底上的行中形成的多个N阱区,P阱区和阱端子区。 P阱区或N阱区分为另一种导电类型的小区域。

    Semiconductor memory device
    7.
    发明授权
    Semiconductor memory device 失效
    半导体存储器件

    公开(公告)号:US4821234A

    公开(公告)日:1989-04-11

    申请号:US046788

    申请日:1987-05-07

    申请人: Yasunobu Nakase

    发明人: Yasunobu Nakase

    CPC分类号: G11C8/08 G11C11/415

    摘要: When a pair of word lines 1 and 2 change from a selected state to a non selected state, a word line discharging circuit 10 enables a transistor 15 to conduct during a period when this pair of word lines 1 and 2 are maintained at the highest potential compared with the other pairs of word lines, so that the pair of word lines 1 and 2 are discharged by means of a first discharging current source 11. The word line discharging circuit 10 enables a transistor 16 to conduct after another pair of word lines attain the highest potential, so that the pair of word lines 1 and 2 are discharged by means of a second discharging current source 12.

    摘要翻译: 当一对字线1和2从选择状态变为非选择状态时,字线放电电路10使晶体管15在这一对字线1和2保持在最高电位的时段期间导通 与其他字线对相比,使得一对字线1和2通过第一放电电流源11放电。字线放电电路10使晶体管16在另一对字线达到之后导通 使得一对字线1和2通过第二放电电流源12放电。

    Bus circuit preventing delay of the operational speed and design method thereof
    8.
    发明授权
    Bus circuit preventing delay of the operational speed and design method thereof 失效
    总线电路防止操作速度的延迟及其设计方法

    公开(公告)号:US06765413B2

    公开(公告)日:2004-07-20

    申请号:US10118145

    申请日:2002-04-09

    申请人: Yasunobu Nakase

    发明人: Yasunobu Nakase

    IPC分类号: H03K19175

    摘要: In a bus circuit which includes a plurality of signal lines, insertion pattern &agr;, which provides repeaters in only an odd numbered series of signal lines, and insertion pattern &bgr;, of which the segment length is equal to that of pattern &agr; and which provides repeaters to only an even numbered series of signal lines, are arranged in an alternating manner in accordance with the length of the signal lines. As a result, the segments during which data signals on the neighboring signal lines run together in opposite phases become half the entire length of the signal lines. Therefore, this bus circuit can prevent the operational speed from becoming slowed.

    摘要翻译: 在包括多个信号线的总线电路中,仅在奇数编号的一系列信号线中提供中继器的插入模式α和其长度等于模式α的插入模式,并且提供中继器 只有偶数编号的信号线系列根据信号线的长度以交替的方式排列。 结果,相邻信号线上的数据信号以相反相位一起运行的段成为信号线整个长度的一半。 因此,该总线电路可以防止运行速度变慢。

    Semiconductor device capable of maintaining output signal even if internal power supply potential is turned off
    9.
    发明授权
    Semiconductor device capable of maintaining output signal even if internal power supply potential is turned off 失效
    即使内部电源电位关闭,也能够保持输出信号的半导体装置

    公开(公告)号:US06753697B2

    公开(公告)日:2004-06-22

    申请号:US10234241

    申请日:2002-09-05

    申请人: Yasunobu Nakase

    发明人: Yasunobu Nakase

    IPC分类号: H03K19175

    CPC分类号: H03K19/00361 H03K19/0013

    摘要: Even if a power supply potential VDD of a core section is set in an off state, a latch of a level conversion circuit holds a value corresponding to an output. It is, therefore, possible for a semiconductor device to hold an output state of an output node. Thereafter, an enable signal is deactivated, whereby the output node can be set in a high impedance state and a bus or the like can be released to the other device.

    摘要翻译: 即使核心部分的电源电位VDD被设置为关闭状态,电平转换电路的锁存器保持与输出相对应的值。 因此,半导体器件可以保持输出节点的输出状态。 此后,使能信号被去激活,由此可以将输出节点设置为高阻抗状态,并且可以将总线等释放到另一个设备。

    Semiconductor device
    10.
    发明授权
    Semiconductor device 有权
    半导体器件

    公开(公告)号:US06327166B1

    公开(公告)日:2001-12-04

    申请号:US09651322

    申请日:2000-08-31

    IPC分类号: G11C502

    CPC分类号: H01L27/10844 H01L27/10897

    摘要: Provided is a semiconductor memory having a layout structure in which a memory cell has excellent patterning controllability. A pattern of element components (active regions 10 to 15 and 21 to 23 and polysilicon regions 31 to 42) of a memory cell for one memory cell unit of a memory cell array region 1 is identical to that of a dummy cell of a peripheral dummy cell region 3, and both patterns present a line symmetrical relationship with respect to a boundary line BC1. In addition, a pattern of the memory cell for one memory cell unit of the memory cell array region 1 is identical to that of a dummy cell of a power wiring region 2, and both patterns present a line symmetrical relationship with respect to a boundary line BC2.

    摘要翻译: 提供一种具有布局结构的半导体存储器,其中存储单元具有优异的图案化可控性。 存储单元阵列区域1的一个存储单元单元的存储单元的元件部件(有源区域10至15和21至23以及多晶硅区域31至42)的图案与外围虚拟元件的虚设单元相同 单元区域3,并且两个图案相对于边界线BC1呈现线对称关系。 此外,存储单元阵列区域1的一个存储单元单元的存储单元的图案与电力布线区域2的虚设单元的图案相同,并且两个图案相对于边界线呈现线对称关系 BC2。