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    • 6. 发明授权
    • Off-chip driver
    • 片外驱动
    • US07586332B2
    • 2009-09-08
    • US11829086
    • 2007-07-27
    • Chih-Jen Chen
    • Chih-Jen Chen
    • H03K19/094
    • H03K19/018507
    • A driver includes a plurality of first PMOS transistors, a first resistor, a amplifier, a second PMOS transistor and a second resistor. The amplifier herein receives a reference voltage and outputs a regulating voltage. The above-mentioned reference voltage is produced in accordance with a band-gap reference voltage. Since the band-gap reference voltage is unlikely affected by a process variation, thus, the present invention is capable of providing an output current robust from process characteristic and the output current is more reliable to indicate a data signal.
    • 驱动器包括多个第一PMOS晶体管,第一电阻器,放大器,第二PMOS晶体管和第二电阻器。 这里的放大器接收参考电压并输出调节电压。 上述参考电压根据带隙基准电压产生。 由于带隙参考电压不太可能受到工艺变化的影响,因此本发明能够提供从工艺特性得到鲁棒的输出电流,并且输出电流更可靠以指示数据信号。
    • 10. 发明授权
    • Leakage control circuit
    • 泄漏控制电路
    • US06747904B2
    • 2004-06-08
    • US10318713
    • 2002-12-13
    • Chih-Jen Chen
    • Chih-Jen Chen
    • G11C700
    • G11C11/417
    • A leakage control circuit and DRAM equipped therewith. The leakage control circuit includes a differential amplifier, a first voltage divider, a second voltage divider, MOS transistors, and a charge pump. The first voltage divider generates a first reference voltage. The second voltage divider generates a second reference voltage. The differential amplifier has a first input receiving the first reference voltage, a second input receiving the second reference voltage, and an output coupled to the input of the charge pump. MOS transistors have drains coupled to the first input of the differential amplifier, gates coupled to the output of the charge pump, and sources coupled to a ground potential.
    • 泄漏控制电路和配备有它的DRAM。 泄漏控制电路包括差分放大器,第一分压器,第二分压器,MOS晶体管和电荷泵。 第一分压器产生第一参考电压。 第二分压器产生第二参考电压。 差分放大器具有接收第一参考电压的第一输入端,接收第二参考电压的第二输入端和耦合到电荷泵输入端的输出端。 MOS晶体管具有耦合到差分放大器的第一输入端的漏极,耦合到电荷泵的输出的栅极和耦合到地电势的源极。