CMOS voltage converter

Details CMOS voltage converter CMOS voltage converter

1988-06-06

1990-09-18

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307452, 307571, 307585, 307475, H03K 1920, H03K 17687

Patent

active

049580914

ABSTRACT:
A voltage level conversion circuit which may be used on CMOS integrated circuit semiconductor devices uses a regulated power supply to drive an internal array and periphery logic. The voltage converter includes a first inverter (31), an isolating transistor (Q3), and an output inverter (35). An isolating transistor (Q3) admits current to the output inverter (35) until the output inverter (35) switches its output level. An active biasing circuit, including transistor Q4, causes inverter (35) to remain at a low state after the isolating transistor (Q3) gates off, thereby allowing the output inverter to continue to provide its output in isolation from the first inverter's output voltage.

REFERENCES:
patent: 4284905 (1981-08-01), Rosenzweig
patent: 4486670 (1984-12-01), Chan et al.
patent: 4616143 (1986-10-01), Miyamoto
patent: 4763023 (1988-08-01), Spence

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