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:
May. 19, 2026

Filed:

Nov. 30, 2021
Applicant:

Rambus Inc., San Jose, CA (US);

Inventor:

Michael Hutter, Vienna, AT;

Assignee:

Rambus Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/75 (2013.01);
U.S. Cl.
CPC ...
G06F 21/755 (2017.08);
Abstract

A bundled-data protocol can be used to synchronize the data flow in the mask shares. A random synchronization token is input and 'bundled' with the combinatorial logic of a share. An additional output from the combinatorial logic is also provided such that when the original combinational output is exclusive OR'd (XOR'd) with the additional output yields the random synchronization token. When the XOR of the original and additional outputs, and the input synchronization token are equal, it indicates that the computation of the combinatorial logic is complete. Thus, the result of the comparison of the XOR of the original and additional outputs, and the input synchronization token may be used as a “done” or “enable” handshake signal to allow asynchronous gating elements (e.g., AND gates, asynchronous set-reset latches, and/or state-holding elements like the Muller C-element, etc.) to start and stop the flow of data in a mask share.


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