Transmission circuit

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage

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327537, H03K 301, G05F 110

Patent

active

057572224

ABSTRACT:
A first p-type transmission MOS transistor with a gate connected to one of complementary input signal lines, a source connected to a first power supply and a drain connected to one of complementary output signal lines, is provided. A second p-type transmission MOS transistor with a gate connected to the other of the complementary input signal lines, a source connected to the first power supply and a drain connected to the other of the complementary output signal lines, is provided. A first capacitive element is connected between the gate and substrate of the first transmission MOS transistor. A second capacitive element is connected between the gate and substrate of the second transmission MOS transistor. At the time when signals are transmitted, the substrate voltage of the transmission MOS transistor is changed statically in synchronization with the input signal. As a result of such arrangement, the threshold voltage of the transmission MOS transistors can be regulated to be high in the standby state and can be regulated to be low in the active state. Therefore, the control of leakage current becomes possible in the standby state and the drain current increases in the active state thereby providing a high signal transmission rate.

REFERENCES:
patent: 5422591 (1995-06-01), Rastegar et al.
patent: 5434526 (1995-07-01), Tanigashira et al.
patent: 5557231 (1996-09-01), Yamaguchi et al.
patent: 5608344 (1997-03-01), Marlow
T. Ooishi et al., "A Well-Synchronized Sensing/Equalizing Method for Sub-1.Ov Oeprating Advanced DRAMs", 1993 Symposium on VLSI Circuits Digest of Technical Papers, pp. 81-82, 1993.

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