Semiconductor integrated circuit device having a hierarchical po

Details Semiconductor integrated circuit device having a hierarchical po Semiconductor integrated circuit device having a hierarchical po

1997-10-24

1998-09-01

Nguyen, Viet Q.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327535, 327537, 327538, 327543, 327545, G11C 700

Patent

active

058015760

ABSTRACT:
A main source voltage transmission line for transmitting a source voltage VCH as one power source and a sub source voltage transmission line are provided corresponding to a gate circuit. A resistive element having a high resistance is provided between the main source voltage transmission line and the sub source voltage transmission line. A capacitor comprised of an insulated gate field effect transistor is connected to the sub source voltage transmission line. The gate circuit is operated with a voltage on the sub source voltage transmission line as an operating source voltage. Thus, the voltage on the sub source voltage transmission line can be maintained at a voltage level that balances with a sub-threshold current flowing through the gate circuit, and the voltage on the sub source line can be stably maintained by the capacitor. A semiconductor memory device can be realized which reduces the sub-threshold current that flows upon standby of the gate circuit and minimizes a difference in voltage between the sub source voltage transmission line and the main source voltage transmission line to operate at high speed with low current consumption.

REFERENCES:
patent: 5521527 (1996-05-01), Sakata et al.
patent: 5583457 (1996-12-01), Horiguchi et al.
patent: 5689460 (1997-11-01), Ooishi
"256Mb DRAM Technologies for File Application", Kitsukawa et al., IEEE International Solid-State Circuits Conference, Feb. 24, 1993, pp. 48-49.
"Subthreshold-Current Reduction Circuits for Multi-Gigabit DRAM's", Sakata et al., IEEE Symposium on VLSI Circuits, Digest of Technical Papers, May 19-21, 1993, pp. 45-46.

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