Goodard v. Google, Inc.

Filing 73

Goodard v. Google, Inc.

Doc. 73 Att. 11

EXHIBIT K

Dockets.Justia.com

Pedneau Pedneau
U.S. Patent No. U.S. 5,377,200 5,377,200

Pedneau: '200 Patent Pedneau:

Technology

Power-saving feature for processors having testing logic.
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Testing logic is used during product design to work out Testing bugs and streamline the manufacturing process. bugs Testing logic is used during the manufacturing process to Testing improve yield (percent of products with no defects). improve Testing logic consumes power.

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The Problem the Invention Addresses

Pedneau: '200 Patent Pedneau:

·

In the prior art, the testing logic was always In powered even though it was used only a miniscule percentage of the time. This was a waste of power. waste

Statement of the Invention

Pedneau: '200 Patent Pedneau:

The invention is a system for controlling the power consumed by testing logic so that it consumes minimal power when not being utilized.

Key Input Activated ­ Test Circuitry in Normal Power State Key
CLOCK

Pedneau's Invention

Pedneau: '200 Patent Pedneau:

INPUT SIGNAL SOURCES

LOGIC

RCVRS

CONF. CONTROL

PRNG

DCR

key input key input
CLCK TEST CONF. REGISTER

FIG. 2

Reset Input Activated ­ Test Circuitry in Low Power State Reset
CLOCK

Pedneau's Invention

Pedneau: '200 Patent Pedneau:

INPUT SIGNAL SOURCES

LOGIC

RCVRS

CONF. CONTROL

PRNG

DCR

CLCK

TEST CONF. REGISTER

rresetinput eset input

FIG. 2