Method and apparatus for high voltage level shifting

Details Method and apparatus for high voltage level shifting Method and apparatus for high voltage level shifting

1992-12-16

1996-07-23

Hudspeth, David R.

Electronic digital logic circuitry

Interface

Logic level shifting

326 30, 326 9, 327318, H03K 190185, H03K 19003

Patent

active

055393349

ABSTRACT:
A voltage level shifter circuit (10) for outputting an output high (18) and output low (18) signal is provided which accommodates multiple power supplies (12 and 22) at different relative voltage to each other. The voltage level shifter (10) includes an input stage (24) which is characterized by voltage ranges applicable to the process used to make the circuit. The voltage level shifter circuit includes an output stage (18) which is also characterized by the same voltage ranges which cannot be exceeded. The output stage outputs the translated output high (16) and output low (18) voltage signals. A clamping network (20) is employed to ensure that the output stage voltage ranges are not exceeded. The present invention implements a high voltage level shifter (10) using low voltage components by extending the breakdown capability of the voltage level shifter circuit (10) past the breakdown voltage of any single component in the circuit.

REFERENCES:
patent: 4039862 (1977-08-01), Dingwall et al.
patent: 4675551 (1987-06-01), Stevenson et al.
patent: 4945258 (1990-07-01), Picard et al.
patent: 4996443 (1991-02-01), Tateno
patent: 5097153 (1992-03-01), Mahler et al.
patent: 5107144 (1992-04-01), Hirayama
patent: 5122692 (1992-06-01), Seki
patent: 5182479 (1993-01-01), Behagel et al.
patent: 5243236 (1993-09-01), McDaniel

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