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    • 1. 发明授权
    • Semiconductor integrated circuit
    • 半导体集成电路
    • US4928265A
    • 1990-05-22
    • US266148
    • 1988-11-02
    • Hisayuki HiguchiNoriyuki HommaMakoto SuzukiSuguru Tachibana
    • Hisayuki HiguchiNoriyuki HommaMakoto SuzukiSuguru Tachibana
    • G11C11/416
    • G11C11/416
    • Considering the dispersion in the access time of semiconductor memories, at least a first and a second memory circuit are connected to the output of a sense amplifier. The output of the sense amplifier is an input to these two memory circuits alternatively at different timings. The data stored in these memory circuits are alternately transferred to a data output circuit. Even when the access time becomes long, the desired sense data can be successively read out from the output of the data output circuit at a short time interval determined by the clock cycle. When the access time becomes short and even when a second data is generated from the output of the sense amplifier at the timing of transferring a first data in the first memory circuit to the data output circuit, the first data held in the first memory circuit is prevented from being renewed by the second data. In this case too, the desired sense data can be successively read out from the output of the data output circuit at a time interval determined by the clock cycle.
    • 考虑到半导体存储器的访问时间的偏差,至少第一和第二存储器电路连接到读出放大器的输出。 读出放大器的输出是以不同的定时交替地输入到这两个存储器电路。 存储在这些存储器电路中的数据被交替地传送到数据输出电路。 即使当访问时间变长时,可以在由时钟周期确定的短时间间隔内从数据输出电路的输出端连续地读出期望的感测数据。 当访问时间变短时,即使在将第一存储器电路中的第一数据传送到数据输出电路的定时从读出放大器的输出产生第二数据时,保持在第一存储器电路中的第一数据为 防止第二个数据被更新。 在这种情况下,也可以在由时钟周期确定的时间间隔内从数据输出电路的输出端连续读出期望的检测数据。
    • 2. 发明授权
    • Match detection circuit for cache memory apparatus
    • 高速缓冲存储器装置的匹配检测电路
    • US5218567A
    • 1993-06-08
    • US789003
    • 1991-11-07
    • Makoto SuzukiSuguru TachibanaHisayuki Higuchi
    • Makoto SuzukiSuguru TachibanaHisayuki Higuchi
    • G06F12/08G06F12/10G11C15/04
    • G06F12/1054G06F12/0895G11C15/04
    • A cache memory apparatus made up of a memory cell array (300) and a match detection circuit is disclosed. The match detection circuit produces a detection signal related to whether a search data coincides with a data read out of the memory cell array (300). The match detection circuit applies complementary signals (d, d) of the data read from the memory cell array (300) to the bases of bipolar differential transistors (10, 11), the gates of a pair of field effect transistors (16, 17) are supplied with complementary signals (a, a) of the search data, and the bases of a pair of emitter-follower transistors (12, 13) are connected to the collectors of the bipolar differential transistors (10, 11), thereby producing a detection signal (HITO) from the jointly-connected emitters thereof.
    • 公开了一种由存储单元阵列(300)和匹配检测电路构成的高速缓存存储装置。 匹配检测电路产生与搜索数据是否与从存储单元阵列(300)读出的数据一致的检测信号。 匹配检测电路将从存储单元阵列(300)读取的数据的互补信号(d,& upbar&d)施加到双极差分晶体管(10,11)的基极,一对场效应晶体管(16, 17)被提供有搜索数据的互补信号(a,& upbar&a),并且一对射极跟随器晶体管(12,13)的基极连接到双极差分晶体管(10,11)的集电极, 从而从其共同连接的发射器产生检测信号(& upbar& H)。
    • 6. 发明授权
    • Semiconductor integrated circuit
    • 半导体集成电路
    • US4858191A
    • 1989-08-15
    • US131644
    • 1987-12-11
    • Hisayuki HiguchiMakoto SuzukiNoriyuki Homma
    • Hisayuki HiguchiMakoto SuzukiNoriyuki Homma
    • G11C7/12G11C8/06G11C8/10G11C11/418
    • G11C8/10G11C11/418G11C7/12G11C8/06
    • A semiconductor integrated circuit includes an input buffer circuit, a decoder circuit and a plurality of memory cells. Each of the input buffer circuit and the decoder circuit consists of a combination of bipolar transistors and MOS transistors. In this combination various measures are taken to increase the operation speed and to reduce the electric power consumption. In an example thereof the data line load for the memory cells is constituted by Schottky barrier type diodes. In another example the load used for the respective emitter follower transistors is constituted by an MOS transistor operating as a variable resistance.In still another example, in a CMOS NOR circuit of the decoder circuit the number of P channel MOS transistors are fewer than the number of N channel MOS transistors.
    • 半导体集成电路包括输入缓冲电路,解码器电路和多个存储单元。 输入缓冲电路和解码电路各自由双极晶体管和MOS晶体管组成。 在这种组合中,采取各种措施来提高操作速度并降低电力消耗。 在其示例中,存储单元的数据线负载由肖特基势垒型二极管构成。 在另一示例中,用于各个射极跟随器晶体管的负载由作为可变电阻工作的MOS晶体管构成。 在另一示例中,在解码器电路的CMOS NOR电路中,P沟道MOS晶体管的数量少于N沟道MOS晶体管的数量。
    • 7. 发明授权
    • Bi-MOS semiconductor memory having high soft error immunity
    • 具有高软误差抗扰度的Bi-MOS半导体存储器
    • US4942555A
    • 1990-07-17
    • US376865
    • 1989-07-07
    • Hisayuki HiguchiMakoto SuzukiNoriyuki HommaKiyoo Itoh
    • Hisayuki HiguchiMakoto SuzukiNoriyuki HommaKiyoo Itoh
    • G11C11/418G11C11/419
    • G11C11/418G11C11/419
    • A semiconductor memory is provided having high reliability, and which particularly prevents data destruction by rays, and the like. In a semiconductor memory for detecting memory data from the conduction ratio between a transistor of a flip-flop type memory cell connected to selected word line and data line pairs and a load device of the data line, an arrangement is provided for setting the word line voltage to a voltage lower than the sum of the data line voltage and the threshold voltage of a data transfer MOS transistor of the memory cell. The signal read out from the memory cell is then applied through the data line to a differential amplifier using the base or gate of a junction type transistor as its input. Particularly to set the word line voltage to a voltage lower than the sum of the data line voltage and the threshold voltage of the data transfer MOS transistor of the memory cell, a device having high driving capability such as a bipolar transistor is used as the load of the data line. The word line voltage is changed over to two stages so that the data line voltage V.sub.D and the word line voltage V.sub.W satisfy the relation V.sub.W V.sub.D +V.sub.TH in a write cycle (where V.sub.TH is the threshold voltage of NMOS inside the memory cell).
    • 提供了具有高可靠性的半导体存储器,并且特别地防止了由于光线的数据破坏等。 在用于根据连接到所选字线的触发器型存储单元的晶体管与数据线对之间的导通率以及数据线的负载装置的导通比来检测存储器数据的半导体存储器中,提供了用于设置字线 电压低于数据线电压和存储单元的数据传输MOS晶体管的阈值电压之和的电压。 从存储单元读出的信号然后通过数据线施加到使用结型晶体管的基极或栅极作为其输入的差分放大器。 特别是为了将字线电压设定为低于数据线电压和存储单元的数据传输MOS晶体管的阈值电压之和的电压,使用诸如双极型晶体管的具有高驱动能力的器件作为负载 的数据线。 字线电压转换为两级,使得数据线电压VD和字线电压VW在读周期中满足关系VW VD + VTH(其中VTH 是存储单元内的NMOS的阈值电压)。
    • 8. 发明授权
    • BI-MOS semiconductor memory having high soft error immunity
    • 具有高软错误抗扰度的BI-MOS半导体存储器
    • US4866673A
    • 1989-09-12
    • US38940
    • 1987-04-16
    • Hisayuki HiguchiMakoto SuzukiNoriyuki HommaKiyoo Itoh
    • Hisayuki HiguchiMakoto SuzukiNoriyuki HommaKiyoo Itoh
    • G11C11/41G11C11/416G11C11/418G11C11/419
    • G11C11/418G11C11/419
    • A semiconductor memory is provided having high reliability, and which particularly prevents data destruction by .alpha. rays, and the like. In a semiconductor memory for detecting memory data from the conduction ratio between a transistor of a flip-flop type memory cell connected to selected word line and data line pairs and a load device of the data line, an arrangement is provided for setting the word line voltage to a voltage lower than the sum of the data line voltage and the threshold voltage of a data transfer MOS transistor of the memory cell. The signal read out from the memory cell is then applied through the data line to a differential amplifier using the base or gate of a junction type transistor as its input. Particularly to set the word line voltage to a voltage lower than the sum of the data line voltage and the threshold voltage of the data transfer MOS transistor of the memory cell, a device having high driving capability such as a bipolar transistor is used as the load of the data line. The word line voltage is changed over to two stages so that the data line voltage V.sub.D and the word line voltage V.sub.W satisfy the relation V.sub.W V.sub.D +V.sub.TH in a write cycle (where V.sub.TH is the threshold voltage of NMOS inside the memory cell).
    • 提供具有高可靠性的半导体存储器,并且特别地防止由α射线引起的数据破坏等。 在用于根据连接到所选字线的触发器型存储单元的晶体管与数据线对之间的导通率以及数据线的负载装置的导通比来检测存储器数据的半导体存储器中,提供了用于设置字线 电压低于数据线电压和存储单元的数据传输MOS晶体管的阈值电压之和的电压。 从存储单元读出的信号然后通过数据线施加到使用结型晶体管的基极或栅极作为其输入的差分放大器。 特别是为了将字线电压设定为低于数据线电压和存储单元的数据传输MOS晶体管的阈值电压之和的电压,使用诸如双极型晶体管的具有高驱动能力的器件作为负载 的数据线。 字线电压转换为两级,使得数据线电压VD和字线电压VW在读周期中满足关系VW VD + VTH(其中VTH 是存储单元内的NMOS的阈值电压)。
    • 9. 发明授权
    • Bi-CMOS semiconductor device immune to latch-up
    • Bi-CMOS半导体器件免于闭锁
    • US4825274A
    • 1989-04-25
    • US929910
    • 1986-11-13
    • Hisayuki HiguchiMakoto Suzuki
    • Hisayuki HiguchiMakoto Suzuki
    • H01L21/8249H01L27/06H01L27/092H01L27/02
    • H01L27/0623H01L27/0921
    • A circuit including a Bi-CMOS semiconductor device of a structure capable of preventing the latch-up phenomenon from occurring when operated as an inverter or the like. The semiconductor device includes a MOS FET and a bipolar transistor merged with each other and having a PNPN or NPNP structure in a region to which minority carriers can migrate through diffusion and in which a same potential is applied to at least a pair of P-type and N-type regions or a backward voltage is applied across PN junctions in operation. The semiconductor device comprises electrodes provided in both P-type and N-type regions, respectively, which form one of the PN junctions, wherein a backward voltage not lower than 0.5 V is applied across the electrodes upon operating the device.
    • 包括具有能够防止当作为逆变器等操作时发生闩锁现象的结构的Bi-CMOS半导体器件的电路。 半导体器件包括MOS FET和双极晶体管,它们彼此并联并且在少数载流子可以通过扩散迁移的区域中具有PNPN或NPNP结构,并且其中相同的电势施加到至少一对P型 并且在操作中的PN结上施加N型区域或反向电压。 半导体器件包括分别设置在P型和N型区域中的电极,其形成PN结中的一个,其中在操作器件时,电极上施加不低于0.5V的反向电压。