Electronic digital logic circuitry – Signal sensitivity or transmission integrity – Signal level or switching threshold stabilization
Patent
1995-06-01
1996-10-22
Westin, Edward P.
Electronic digital logic circuitry
Signal sensitivity or transmission integrity
Signal level or switching threshold stabilization
327 55, 327 68, 327546, 326113, H03K 1900, H03K 524
Patent
active
055680658
ABSTRACT:
A circuit connects a circuit node to a voltage source selected between two alternative power supply voltage sources. The circuit includes two transistors, specifically a first transistor selectively connecting the circuit node to a first power supply voltage source of the two alternative power supply voltage sources and a second transistor selectively connecting the circuit node to the second power supply voltage source. The first transistor has a gate connected to the second power supply voltage source. The second transistor has a gate connected to the first power supply voltage source. The circuit passes the lowest voltage supplied by the two alternative voltage sources to the circuit node. The circuit is useful, for example, in a voltage translation and overvoltage protection circuit.
REFERENCES:
patent: 3949242 (1976-04-01), Hirasawa et al.
patent: 4017830 (1977-04-01), Shigemori et al.
patent: 4473758 (1984-09-01), Huntington
patent: 4490633 (1984-12-01), Noufer et al.
patent: 4556804 (1985-12-01), DeWitt
patent: 4574273 (1986-03-01), Atsumi et al.
patent: 4583203 (1986-04-01), Monk
patent: 4583204 (1986-04-01), Takemae et al.
patent: 4617473 (1986-10-01), Bingham
patent: 4638182 (1987-01-01), McAdams
patent: 4656373 (1987-04-01), Plus
patent: 4670668 (1987-06-01), Liu
patent: 4670861 (1987-06-01), Shu et al.
patent: 4727266 (1988-02-01), Fujii et al.
patent: 4740713 (1988-04-01), Sakurai et al.
patent: 4825275 (1989-04-01), Tomassetti
patent: 4837462 (1989-06-01), Watanabe et al.
patent: 4862240 (1989-08-01), Watanabe et al.
patent: 4864373 (1989-09-01), Miyashita
patent: 4906056 (1990-03-01), Taniguchi
patent: 4930112 (1990-05-01), Tanaka et al.
patent: 4952825 (1990-08-01), Yoshida
patent: 4961010 (1990-10-01), Davis
patent: 5004936 (1991-04-01), Andresen
patent: 5027008 (1991-06-01), Runaldue
patent: 5036222 (1991-07-01), Davis
patent: 5060044 (1991-10-01), Tomassetti
patent: 5087579 (1992-02-01), Tomassetti
patent: 5117129 (1992-05-01), Hoffman et al.
patent: 5128560 (1992-07-01), Chern et al.
patent: 5134316 (1992-07-01), Ta
patent: 5157279 (1992-10-01), Lee
patent: 5160855 (1992-11-01), Dobberpuhl
patent: 5191244 (1993-03-01), Runaldue et al.
patent: 5266849 (1993-11-01), Kitahara et al.
patent: 5350951 (1994-09-01), Adachi
patent: 5381061 (1995-01-01), Davis
Paper entitled: "A Tidal Wave of 3-V ICs Opens Up Many Options" by Dave Bursky, published in Electronic Design, Aug. 20, 1992, pp. 37-47.
IBM Technical Disclosure Bulletin, vol. 34, No. 34, No. 48, Sep. 1991, New York, US, pp. 147-149.
Duncan Richard L.
Wert Joseph D.
National Semiconductor Corporation
Santamauro Jon
Westin Edward P.
LandOfFree
Circuit for connecting a node to a voltage source selected from does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Circuit for connecting a node to a voltage source selected from , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Circuit for connecting a node to a voltage source selected from will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2361377