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  <xs:element id="mram_LicensingRoyaltyPatentEngineeringServicesAndOtherRevenueCustomersMember" abstract="true" name="LicensingRoyaltyPatentEngineeringServicesAndOtherRevenueCustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mram_IncreaseDecreaseInContractObligations" abstract="false" name="IncreaseDecreaseInContractObligations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mram_IncreaseDecreaseInLeaseLiabilities" abstract="false" name="IncreaseDecreaseInLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mram_IncreaseDecreaseInTaxLiabilityNoncurrent" abstract="false" name="IncreaseDecreaseInTaxLiabilityNoncurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mram_ProceedsFromExerciseOfStockOptionsAndPurchaseOfSharesInEmployeeStockPurchasePlan" abstract="false" name="ProceedsFromExerciseOfStockOptionsAndPurchaseOfSharesInEmployeeStockPurchasePlan" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mram_FinancingCashFlowsPaidForFinanceLeasesSupplementaryCashFlowInformation" abstract="false" name="FinancingCashFlowsPaidForFinanceLeasesSupplementaryCashFlowInformation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mram_StatementsOfOperationsAndComprehensiveLossComponentsAbstract" abstract="true" name="StatementsOfOperationsAndComprehensiveLossComponentsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mram_ComponentsOfStatementsOfOperationsAndComprehensiveLossIncomeTextBlock" abstract="false" name="ComponentsOfStatementsOfOperationsAndComprehensiveLossIncomeTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="mram_SignificantAgreementsAbstract" abstract="true" name="SignificantAgreementsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mram_SignificantArrangementsTextBlock" abstract="false" name="SignificantArrangementsTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="mram_ScheduleOfAccountsReceivableNetTableTextBlock" abstract="false" name="ScheduleOfAccountsReceivableNetTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="mram_LesseeLiabilityMaturityTableTextBlock" abstract="false" name="LesseeLiabilityMaturityTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType"/>
  <xs:element id="mram_AllowanceForProductReturnsAndPriceConcessions" abstract="false" name="AllowanceForProductReturnsAndPriceConcessions" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mram_CustomerAMember" abstract="true" name="CustomerAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mram_CustomerBMember" abstract="true" name="CustomerBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mram_CustomerCMember" abstract="true" name="CustomerCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mram_CustomerDMember" abstract="true" name="CustomerDMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mram_EngineeringServicesAndOtherRevenueMember" abstract="true" name="EngineeringServicesAndOtherRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mram_StrategicAwardMember" abstract="true" name="StrategicAwardMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mram_NumberOfGeographicRegions" abstract="false" name="NumberOfGeographicRegions" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="mram_ConsiderationToBeReceived" abstract="false" name="ConsiderationToBeReceived" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mram_StrategicAwardTerm" abstract="false" name="StrategicAwardTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="mram_AmountBilledRelatedToAgreement" abstract="false" name="AmountBilledRelatedToAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mram_AccruedInventory" abstract="false" name="AccruedInventory" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mram_LesseeOperatingAndFinancingLeaseLiabilityPaymentsDueRemainderOfFiscalYear" abstract="false" name="LesseeOperatingAndFinancingLeaseLiabilityPaymentsDueRemainderOfFiscalYear" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mram_LesseeOperatingAndFinancingLeaseLiabilityPaymentsDueYearOne" abstract="false" name="LesseeOperatingAndFinancingLeaseLiabilityPaymentsDueYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mram_LesseeOperatingAndFinancingLeaseLiabilityPaymentsDueYearTwo" abstract="false" name="LesseeOperatingAndFinancingLeaseLiabilityPaymentsDueYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mram_LesseeOperatingAndFinancingLeaseLiabilityPaymentsDueYearThree" abstract="false" name="LesseeOperatingAndFinancingLeaseLiabilityPaymentsDueYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mram_LesseeOperatingAndFinancingLeaseLiabilityPaymentsDue" abstract="false" name="LesseeOperatingAndFinancingLeaseLiabilityPaymentsDue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mram_LesseeOperatingAndFinancingLeaseLiabilityUndiscountedExcessAmount" abstract="false" name="LesseeOperatingAndFinancingLeaseLiabilityUndiscountedExcessAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mram_LeaseLiability" abstract="false" name="LeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="mram_TwoThousandSixteenEmployeeStockPurchasePlanMember" abstract="true" name="TwoThousandSixteenEmployeeStockPurchasePlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mram_ShareBasedCompensationArrangementByShareBasedPaymentAwardIncreaseInNumberOfSharesAvailableForGrant" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardIncreaseInNumberOfSharesAvailableForGrant" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="mram_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingWeightedAverageExercisePriceAbstract" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingWeightedAverageExercisePriceAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="mram_GlobalfoundriesMember" abstract="true" name="GlobalfoundriesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mram_JointDevelopmentAgreementMember" abstract="true" name="JointDevelopmentAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mram_PeriodOfPossessionOfExclusiveRightToManufactureAfterQualificationOfDevice" abstract="false" name="PeriodOfPossessionOfExclusiveRightToManufactureAfterQualificationOfDevice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="mram_PeriodOfPossessionOfExclusiveRightToManufactureAfterCompletionOfDeviceDevelopmentWork" abstract="false" name="PeriodOfPossessionOfExclusiveRightToManufactureAfterCompletionOfDeviceDevelopmentWork" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="mram_StockOptionsAndRestrictedStockUnitsMember" abstract="true" name="StockOptionsAndRestrictedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mram_FoundryServicesAgreementMember" abstract="true" name="FoundryServicesAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mram_ToggleAndSensorFlowsMember" abstract="true" name="ToggleAndSensorFlowsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mram_STTFlowsMember" abstract="true" name="STTFlowsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="mram_ServiceAgreementTermOfContract" abstract="false" name="ServiceAgreementTermOfContract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="mram_ServiceAgreementRenewalPeriod" abstract="false" name="ServiceAgreementRenewalPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="mram_ServiceAgreementMaximumNumberOfWafersPerQuarter" abstract="false" name="ServiceAgreementMaximumNumberOfWafersPerQuarter" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="mram_ServiceAgreementExpectedPeriodOfCapacityToCommence" abstract="false" name="ServiceAgreementExpectedPeriodOfCapacityToCommence" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="mram_RevenueRemainingPerformanceObligationVariableConsiderationAmount" abstract="false" name="RevenueRemainingPerformanceObligationVariableConsiderationAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
