Voltage level converter circuit improved in operation reliabilit

Details Voltage level converter circuit improved in operation reliabilit Voltage level converter circuit improved in operation reliabilit

1998-03-23

2000-04-11

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

326 81, H03K 190185

Patent

active

060492430

ABSTRACT:
A voltage level converter circuit includes a first node, a second node having a voltage according to an input voltage, a P channel MOS transistor connected between the second node and the first node, turned on when the input voltage attains an L level, a third node to which a first voltage is supplied, a first N channel MOS transistor connected between the third node and a fourth node, turned on when the input voltage attains an H level, a second N channel MOS transistor connected between the first node and the fourth node, and having a gate to which an alleviate signal is supplied, a third N channel MOS transistor, and a level determination circuit for providing an alleviate signal according to the level of the first voltage.

REFERENCES:
patent: 5461333 (1995-10-01), Condon et al.
patent: 5587676 (1996-12-01), Chowdhury
patent: 5619150 (1997-04-01), Briner
patent: 5834948 (1998-11-01), Yoshizaki et al.
patent: 5872476 (1999-02-01), Mihara et al.
patent: 5889420 (1999-03-01), Poechmueller

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