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:
Jun. 28, 2022

Filed:

Dec. 30, 2020
Applicant:

Texas Instruments Incorporated, Dallas, TX (US);

Inventors:
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03K 23/00 (2006.01); G06F 1/04 (2006.01); H03K 23/58 (2006.01); H03K 21/40 (2006.01); H03K 21/38 (2006.01); H03K 23/40 (2006.01);
U.S. Cl.
CPC ...
H03K 23/005 (2013.01); G06F 1/04 (2013.01); H03K 21/38 (2013.01); H03K 21/40 (2013.01); H03K 23/40 (2013.01); H03K 23/58 (2013.01);
Abstract

In described examples, a counter system includes a counter, a parity detector, a toggle flop, and a comparator. The counter iterates a count through a set of binary states in response to a clock signal, so that a binary value of a single bit of the count changes at each iteration. The parity detector detects the parity of the count. The toggle flop output is coupled to the toggle flop input. The toggle flop outputs a binary flop value. The binary flop value toggles between zero and one in response to the toggle flop input and the clock signal. The comparator compares the parity of the count and the toggle flop output, and outputs a first comparator value if the parity of the count and the toggle flop output are the same, and a second comparator value if the parity of the count and the toggle flop output are different.


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