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devel / comp.arch / Why overtesting is not essential. Why testing VLSI circuits i.s..

Why overtesting is not essential. Why testing VLSI circuits i.s..

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Subject: Why overtesting is not essential. Why testing VLSI circuits i.s..
From: idat...@gmail.com (Suresh Devanathan)
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by: Suresh Devanathan - Mon, 6 Sep 2021 19:18 UTC

Why testing VLSI circuit is non essentia

Suppose you had a following configuration

************
* *---------N1
* * |
* * Resistor R
* circuit * |
* * *N2
* *
* *---------N3
************

Now The voltage across N1 N3 = V13

V23 = V13 - I12*R

See I12 = dQ/dt

but dt = 0
Kdt = 0 = dt

I12 = dQ/dt /K

V23 = V13 - dQ/dt/K * R
= V13 - I12/K*R

voltages will dramatically vary, making any kind of over test useless.

-suresh

Subject	Author
Why overtesting is not essential. Why testing VLSI circuits i.s..	Suresh Devanathan