Method and apparatus for logic signal level translation to a sem

Details Method and apparatus for logic signal level translation to a sem Method and apparatus for logic signal level translation to a sem

1994-03-24

1996-10-15

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

327 66, 327108, 327333, 327540, 327541, 327543, 327542, H01H 8310

Patent

active

055657150

ABSTRACT:
Method and apparatus for logic signal level translation to a semiconductor switch. The logic signal input is converted by a first circuit referenced to a first power supply level to a current source or sink gated on and off by the logic signal. The resulting current is coupled to the input of a second circuit referenced to a second power supply level to control complementary devices providing a switching signal for coupling to the semiconductor switch. The second circuit preferably includes circuitry for assuring that both complementary devices cannot be on at the same time.

REFERENCES:
patent: 4792704 (1988-12-01), Lobb et al.
patent: 5140196 (1992-08-01), Shepherd
patent: 5276366 (1994-01-01), Quigley et al.
patent: 5422523 (1995-06-01), Roberts et al.

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