The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 30, 2019

Filed:

Dec. 07, 2018
Applicant:

Sony Corporation, Tokyo, JP;

Inventor:

Jeremy Gareth Chatwin, Santa Cruz, CA (US);

Assignee:

SONY CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 9/00 (2006.01); H03K 19/20 (2006.01); H03K 19/094 (2006.01); H03K 5/1534 (2006.01); G11C 11/417 (2006.01); H03K 19/0948 (2006.01); G11C 11/412 (2006.01);
U.S. Cl.
CPC ...
H03K 19/09429 (2013.01); G11C 11/412 (2013.01); G11C 11/417 (2013.01); H03K 5/1534 (2013.01); H03K 19/0948 (2013.01); H03K 19/20 (2013.01); H03M 9/00 (2013.01);
Abstract

A tri-state circuit that includes a control circuit coupled to a driver circuit. The driver circuit includes a first type of transistor connected in series with a second type of transistor. The control circuit receives an input data signal at an input data rate and a plurality of clock signals, and supplies a first signal and a second signal to the first type of transistor and the second type of transistor in response to the receipt of the input data signal. The control circuit further controls a tri-state switching operation of the first type of transistor and the second type of transistor such that the input data signal is selected and an output data signal is generated at an output data rate. The tri-state circuit is further utilized in other digital circuits, such as latch circuits, latch-based memory circuits or parallel-to-serial converter circuits to reduce inter symbol interference.


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