Electronic digital logic circuitry – Interface – Supply voltage level shifting
Patent
1994-12-27
1998-02-10
Westin, Edward P.
Electronic digital logic circuitry
Interface
Supply voltage level shifting
326 86, 326 30, H03K 190175, H03K 1716
Patent
active
057173451
ABSTRACT:
A signal transmission circuit employing a signal transmitting circuit and a signal receiving circuit. The signal transmitting circuit transfers received signals from an input terminal, through transmission lines, to the signal receiving circuit. The signal transmitting circuit incorporates thereinto a control circuit which operates with the first power source having the first voltage and provides an inverted
on-inverted output in accordance with the first power source, and a pair of the first and the second push-pull type drivers which feed the inverted
on-inverted output from the control circuit. The first and the second push-pull type drivers operate with the second power source having the second voltage lower than the first voltage and transmit complementary transmitting signals having values corresponding to the second voltage corresponding to the input signal driven by the control circuit through the transmission lines.
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Hirakoso Takao
Hirose Kuniharu
Ikeda Kazuo
Yokomizo Koichi
OKI Electric Industry Co., Ltd.
Roseen Richard
Westin Edward P.
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