Patent · US Active

Lockstep comparators and related methods

US11474151B2 · kind B2 · utility

2Cited by

3References

25Claims

0Family size

Assignee

TEXAS INSTRUMENTS INCORPORATED · US

Inventors

Prasanth Viswanathan Pillai · Kanchinakote, IN
Rajeev Suvarna · Kanchinakote, IN
Saya Goud Langadi · Kanchinakote, IN
Shailesh Ganapat Ghotgalkar · Bengaluru, IN

Key dates

Filing date	Dec 30, 2020
Grant date	Oct 18, 2022
Priority date	—
Expiry date	Apr 30, 2041

Classification

Technology area (CPC G)Physics
CPC primaryG01R31/318566
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

Lockstep comparators and related methods are described. An example apparatus includes self-test logic circuitry having first outputs, and comparator logic including selection logic having first inputs and second outputs, ones of the first inputs coupled to the first outputs, first detection logic having second inputs and third outputs, the second inputs coupled to the second outputs, second detection logic having third inputs and fourth outputs, the third inputs coupled to the third outputs, latch logic having fifth inputs and fifth outputs, the third output and the fourth output coupled to the fifth inputs, and error detection logic having sixth inputs coupled to the fifth inputs.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.