IC analog boundary scan cell, digital cell, comparator, analog switches

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11175339
APP PUB NO 20200319246A1
SERIAL NO

16904142

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Abstract

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The disclosure describes a novel method and apparatus for improving interposers that connected stacked die assemblies to system substrates. The improvement includes the addition of IEEE 1141.1 circuitry within interposers to allow simplifying interconnect testing of digital and analog signal connections between the interposer and system substrate it is attached too. The improvement also includes the additional 1141.1 controlled circuitry that allows real time monitoring of voltage supply and ground buses in the interposer. The improvement also includes the additional of 1141.1 controlled circuitry that allows real time monitoring of functional digital and analog input and output signals in the interposer. The improvement also provides the ability to selectively serially link the 1141.1 circuitry in the interposer with 1141.1 circuitry in the die of the stack.

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Patent Owner(s)

  • AGILENT TECHNOLOGIES TEXAS INSTRUMENTS INCORPORATED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Whetsel, Lee D Parker, US 868 5697

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