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DescriptionQ894
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Q894DesignAppleASIC interview problem

Choose the operation that exposes a stuck-at-zero SRAM cell

TechniquesDesignDFTTestChooseThe
DifficultyEasy
TopicPhysical Design and DFT
LanguageSystemVerilog
Format4 choices
01

Problem

An MBIST controller can write either value to one SRAM address and then read it back before visiting another address. Which local operation is sufficient to expose a cell that is permanently stuck at zero?

02

Answer choices (4)