CMOS reference voltage generator employing separate reference ci

Details CMOS reference voltage generator employing separate reference ci CMOS reference voltage generator employing separate reference ci

1986-08-01

1988-11-29

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307200B, 323314, G05F 324

Patent

active

047884550

ABSTRACT:
An internal power supply voltage generator for generating an internal power supply voltage for a semiconductor integrated device includes first and second reference voltage generators which produce first and second reference voltages having respective values a predetermined amount above and below an optimal value of the internal power supply voltage. The first and second reference voltage generators are constructed of a pair of serially connected NMOS and PMOS transistors, respectively, which transistors are connected between an external voltage supply and ground. The first and second reference voltages are applied to a CMOS output stage constructed of a NMOS and PMOS transistor serially connected between the external voltage supply and ground, the gates of the transistors being coupled to the first and second reference voltages, so as to provide said internal power supply voltage at a common node between the transistors. This voltage generator exhibits a lowered power dissipation and a lowered output impedance, as a result of providing a CMOS output stage.

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patent: 4692689 (1987-09-01), Takemae

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