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    • 6. 发明授权
    • Low power static random access memory
    • 低功率静态随机存取存储器
    • US08659936B2
    • 2014-02-25
    • US12979345
    • 2010-12-28
    • Ching-Te ChuangHao-I YangMao-Chih HsiaWei HwangChia-Cheng ChenWei-Chiang Shih
    • Ching-Te ChuangHao-I YangMao-Chih HsiaWei HwangChia-Cheng ChenWei-Chiang Shih
    • G11C11/21
    • G11C11/417G11C11/413
    • A SRAM that keeps the memory cell array under a low voltage in the Standby mode and Write mode, and raises the memory cell array supply voltage to a high voltage in the Read mode. A SRAM comprising: at least one memory cell circuit, comprising a latch circuit with at least two inverters, and comprising two power receiving terminals for receiving power; and a power supplying circuit, for providing the power to the memory cell circuit, such that the voltages at the power receiving terminals of the latch circuit is below a predetermined voltage level when data is written to the latch circuit. In one embodiment, the memory cell circuit includes a plurality of data accessing terminals and the data accessing terminals are respectively controlled by at least two pass-transistor switch devices.
    • 在待机模式和写入模式下,将存储单元阵列保持在低电压状态的SRAM,并在读取模式下将存储单元阵列电源电压提高到高电平。 一种SRAM,包括:至少一个存储单元电路,包括具有至少两个反相器的锁存电路,并且包括用于接收电力的两个电力接收端子; 以及供电电路,用于向存储单元电路提供电力,使得当数据被写入锁存电路时,锁存电路的电力接收端的电压低于预定的电压电平。 在一个实施例中,存储单元电路包括多个数据访问终端,并且数据访问终端分别由至少两个传输晶体管开关器件控制。
    • 7. 发明申请
    • LOW POWER STATIC RANDOM ACCESS MEMORY
    • 低功率静态随机存取存储器
    • US20120008449A1
    • 2012-01-12
    • US12979345
    • 2010-12-28
    • Ching-Te ChuangHao-I YangMao-Chih HsiaWei HwangChia-Cheng ChenWei-Chiang Shih
    • Ching-Te ChuangHao-I YangMao-Chih HsiaWei HwangChia-Cheng ChenWei-Chiang Shih
    • G11C5/14
    • G11C11/417G11C11/413
    • A SRAM that keeps the memory cell array under a low voltage in the Standby mode and Write mode, and raises the memory cell array supply voltage to a high voltage in the Read mode. A SRAM comprising: at least one memory cell circuit, comprising a latch circuit with at least two inverters, and comprising two power receiving terminals for receiving power; and a power supplying circuit, for providing the power to the memory cell circuit, such that the voltages at the power receiving terminals of the latch circuit is below a predetermined voltage level when data is written to the latch circuit. In one embodiment, the memory cell circuit includes a plurality of data accessing terminals and the data accessing terminals are respectively controlled by at least two pass-transistor switch devices.
    • 在待机模式和写入模式下,将存储单元阵列保持在低电压状态的SRAM,并在读取模式下将存储单元阵列电源电压提高到高电平。 一种SRAM,包括:至少一个存储单元电路,包括具有至少两个反相器的锁存电路,并且包括用于接收电力的两个电力接收端子; 以及供电电路,用于向存储单元电路提供电力,使得当数据被写入锁存电路时,锁存电路的电力接收端的电压低于预定的电压电平。 在一个实施例中,存储单元电路包括多个数据访问终端,并且数据访问终端分别由至少两个传输晶体管开关器件控制。
    • 10. 发明授权
    • Gate oxide breakdown-withstanding power switch structure
    • 栅极氧化物击穿电源开关结构
    • US08385149B2
    • 2013-02-26
    • US13075682
    • 2011-03-30
    • Hao-I YangChing-Te ChuangWei Hwang
    • Hao-I YangChing-Te ChuangWei Hwang
    • G11C5/14
    • G11C11/417
    • The present invention proposes a gate oxide breakdown-withstanding power switch structure, which is connected with an SRAM and comprises a first CMOS switch and a second CMOS switch respectively having different gate-oxide thicknesses or different threshold voltages. The CMOS switch, which has a normal gate-oxide thickness or a normal threshold voltage, provides current for the SRAM to wake up the SRAM from a standby or sleep mode to an active mode. The CMOS switch, which has a thicker gate-oxide thickness or a higher threshold voltage, provides current for the SRAM to work in an active mode. The present invention prevents a power switch from gate-oxide breakdown lest noise margin, stabilization and performance of SRAM be affected.
    • 本发明提出一种栅极氧化物击穿电源开关结构,其与SRAM连接,并且包括分别具有不同栅极氧化物厚度或不同阈值电压的第一CMOS开关和第二CMOS开关。 具有正常栅极氧化物厚度或正常阈值电压的CMOS开关为SRAM提供电流,以将SRAM从待机或睡眠模式唤醒至活动模式。 具有更厚栅极氧化物厚度或更高阈值电压的CMOS开关为SRAM提供工作在主动模式的电流。 本发明防止电源开关从栅极氧化层击穿,以免噪声容限,SRAM的稳定性和性能受到影响。