Semiconductor device having an output circuit for transmitting l

Details Semiconductor device having an output circuit for transmitting l Semiconductor device having an output circuit for transmitting l

1996-01-04

1997-07-08

Westin, Edward P.

Electronic digital logic circuitry

Interface

Supply voltage level shifting

326 31, 327306, H03K 190185

Patent

active

056465491

ABSTRACT:
A semiconductor device having an output circuit includes a first field-effect transistor having a source connected to a line from which a first voltage is inputted, and a second field-effect transistor having a source connected to a drain of the first field-effect transistor, a gate connected to a data line from which a level signal is inputted, and a drain connected to an output terminal to which an output signal is outputted. A control unit controls a voltage at a gate of the first field-effect transistor when the second field-effect transistor is in ON state, so that a voltage at the drain of the second field-effect transistor is equal to a second voltage.

REFERENCES:
patent: 4551642 (1985-11-01), Aizawa et al.
patent: 4595846 (1986-06-01), Morelli
patent: 4843340 (1989-06-01), Fenk
patent: 4910455 (1990-03-01), Nadd
patent: 5122689 (1992-06-01), Barre
patent: 5218247 (1993-06-01), Ito
patent: 5345117 (1994-09-01), Tomotsumo
patent: 5373199 (1994-12-01), Schichinohe
patent: 5426377 (1995-06-01), Kimura
patent: 5455527 (1995-10-01), Murphy

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