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      <link:linkbaseRef xlink:type="simple" xlink:href="mram-20180930_lab.xml" xlink:title="Label Links, all" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
    </appinfo>
  </annotation>
  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
  <import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
  <import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <import namespace="http://xbrl.sec.gov/dei/2018-01-31" schemaLocation="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd" />
  <import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <import namespace="http://fasb.org/us-roles/2018-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2018/elts/us-roles-2018-01-31.xsd" />
  <import namespace="http://fasb.org/us-gaap/2018-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd" />
  <import namespace="http://fasb.org/srt/2018-01-31" schemaLocation="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd" />
  <element id="mram_AreaOfOperatingLease" name="AreaOfOperatingLease" nillable="true" type="num:areaItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_ClassOfWarrantOrRightExercisableExpirationPeriod" name="ClassOfWarrantOrRightExercisableExpirationPeriod" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_CompensationExpenseRelatedToVestingOfCommonStock" name="CompensationExpenseRelatedToVestingOfCommonStock" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element name="CustomerAMember" id="mram_CustomerAMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="CustomerBMember" id="mram_CustomerBMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="CustomerCMember" id="mram_CustomerCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="CustomerDMember" id="mram_CustomerDMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element id="mram_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsCurrent" name="DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsCurrent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="mram_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNoncurrent" name="DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNoncurrent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="mram_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element name="EmployeesMember" id="mram_EmployeesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="EstimatedFairValueOfCommonStockPerShare" id="mram_EstimatedFairValueOfCommonStockPerShare" type="num:perShareItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <element name="GlobalfoundriesMember" id="mram_GlobalfoundriesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="JointDevelopmentAgreementMember" id="mram_JointDevelopmentAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element id="mram_LongTermDebtCurrentGross" name="LongTermDebtCurrentGross" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="mram_LongTermDebtNoncurrentGross" name="LongTermDebtNoncurrentGross" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <element name="NoncashIssuanceOfWarrantsInConnectionWithDebt" id="mram_NoncashIssuanceOfWarrantsInConnectionWithDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <element name="NonEmployeesMember" id="mram_NonEmployeesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element id="mram_NumberOfInterestAndPrincipalPayments" name="NumberOfInterestAndPrincipalPayments" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <element name="SeriesBRedeemableConvertiblePreferredStockMember" id="mram_SeriesBRedeemableConvertiblePreferredStockMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantExercisedInPeriod" id="mram_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantExercisedInPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <element name="TwoThousandSixteenEmployeeStockPurchasePlanMember" id="mram_TwoThousandSixteenEmployeeStockPurchasePlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="TwoThousandSixteenEquityIncentivePlanMember" id="mram_TwoThousandSixteenEquityIncentivePlanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element id="mram_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfOptionModified" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfOptionModified" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_ArizonaManufacturingFacilityMember" name="ArizonaManufacturingFacilityMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_PeriodOfPossessionOfExclusiveRightToManufactureAfterQualificationOfDevice" name="PeriodOfPossessionOfExclusiveRightToManufactureAfterQualificationOfDevice" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_PeriodOfPossessionOfExclusiveRightToManufactureAfterCompletionOfDeviceDevelopmentWork" name="PeriodOfPossessionOfExclusiveRightToManufactureAfterCompletionOfDeviceDevelopmentWork" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_CustomerEMember" name="CustomerEMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_CommonStockWarrantsMember" name="CommonStockWarrantsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_FairValueOfWarrants" name="FairValueOfWarrants" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="mram_LongTermDebtGross" name="LongTermDebtGross" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="mram_UnamortizedDiscountPremiumAndDebtIssuanceCostsAndEndOfTermFee" name="UnamortizedDiscountPremiumAndDebtIssuanceCostsAndEndOfTermFee" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="mram_AgreementTerm" name="AgreementTerm" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_PeriodToRepurchaseShares" name="PeriodToRepurchaseShares" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_DebtInstrumentNegativeBasisSpreadOnVariableRate" name="DebtInstrumentNegativeBasisSpreadOnVariableRate" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_NonCashGainLossOnExtinguishmentOfDebt" name="NonCashGainLossOnExtinguishmentOfDebt" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="mram_SiliconValleyBankCreditFacilityMember" name="SiliconValleyBankCreditFacilityMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_EndOfTermFeePercentage" name="EndOfTermFeePercentage" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <element id="mram_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableCancelledOrForfeitedInPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableCancelledOrForfeitedInPeriod" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantUsedForOtherShareBasedAwardsOtherThanOptions" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantUsedForOtherShareBasedAwardsOtherThanOptions" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingWeightedAverageExercisePriceAbstract" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingWeightedAverageExercisePriceAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingWeightedAverageExercisePrice" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <element id="mram_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOtherThanOptionsGrantsInPeriodWeightedAverageExercisePrice" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsVestedWeightedAverageExercisePrice" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_OperatingLeasesCancellationPeriodUponNotice" name="OperatingLeasesCancellationPeriodUponNotice" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantGrantedInPeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantGrantedInPeriod" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_ShareBasedCompensationArrangementByShareBasedPaymentAwardIncreaseInNumberOfSharesAvailableForGrant" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardIncreaseInNumberOfSharesAvailableForGrant" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_AccruedInventory" name="AccruedInventory" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="mram_ScheduleOfAccountsReceivableNetTableTextBlock" name="ScheduleOfAccountsReceivableNetTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableCancelledOrForfeitedInPeriodOtherThanOptions" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableCancelledOrForfeitedInPeriodOtherThanOptions" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsCancelledOrForfeitedWeightedAverageExercisePrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsCancelledOrForfeitedWeightedAverageExercisePrice" nillable="true" type="num:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_ProductNonAffiliateMember" name="ProductNonAffiliateMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_SaleOfStockAbstract" name="SaleOfStockAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_LicensingRoyaltyAndOtherRevenuesMember" name="LicensingRoyaltyAndOtherRevenuesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_LicensingRoyaltyAndOtherRevenuesCustomersMember" name="LicensingRoyaltyAndOtherRevenuesCustomersMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_NumberOfGeographicRegions" name="NumberOfGeographicRegions" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <element id="mram_PreviousHeadquarterMember" name="PreviousHeadquarterMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_ClassOfWarrantOrRightCancelled" name="ClassOfWarrantOrRightCancelled" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <element id="mram_WriteOffOfUnamortizedDeferredRent" name="WriteOffOfUnamortizedDeferredRent" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="mram_LeaseTerminationFee" name="LeaseTerminationFee" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="mram_CustomerFMember" name="CustomerFMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_AccruedJointDevelopmentAgreementExpenses" name="AccruedJointDevelopmentAgreementExpenses" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="mram_MilestonePaymentDue" name="MilestonePaymentDue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="mram_CustomerGMember" name="CustomerGMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_ReimbursementOfPrincipalPayments" name="ReimbursementOfPrincipalPayments" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="mram_AgreementTermExtendedStatementOfWork" name="AgreementTermExtendedStatementOfWork" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_CustomerHMember" name="CustomerHMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_CustomerIMember" name="CustomerIMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_IncreaseDecreaseInShippingTerms" name="IncreaseDecreaseInShippingTerms" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="mram_SignificantArrangementsAbstract" name="SignificantArrangementsAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_SignificantArrangementsTextBlock" name="SignificantArrangementsTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_SilterraMalaysiaSdnBhdMember" name="SilterraMalaysiaSdnBhdMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_CollaborativeExpenseObligation" name="CollaborativeExpenseObligation" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="mram_CollaborativeExpense" name="CollaborativeExpense" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
</schema>
