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  <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/2020-01-31" schemaLocation="https://xbrl.sec.gov/dei/2020/dei-2020-01-31.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/2020-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2020/elts/us-roles-2020-01-31.xsd" />
  <import namespace="http://www.xbrl.org/2009/role/net" schemaLocation="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd" />
  <import namespace="http://fasb.org/us-gaap/2020-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd" />
  <import namespace="http://fasb.org/srt/2020-01-31" schemaLocation="http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd" />
  <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="EmployeesMember" id="mram_EmployeesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <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="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 name="PeriodOfPossessionOfExclusiveRightToManufactureAfterQualificationOfDevice" id="mram_PeriodOfPossessionOfExclusiveRightToManufactureAfterQualificationOfDevice" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element name="PeriodOfPossessionOfExclusiveRightToManufactureAfterCompletionOfDeviceDevelopmentWork" id="mram_PeriodOfPossessionOfExclusiveRightToManufactureAfterCompletionOfDeviceDevelopmentWork" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element name="CommonStockWarrantsMember" id="mram_CommonStockWarrantsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="FairValueOfWarrants" id="mram_FairValueOfWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <element id="mram_DebtInstrumentNegativeBasisSpreadOnVariableRate" name="DebtInstrumentNegativeBasisSpreadOnVariableRate" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element name="SiliconValleyBankCreditFacilityMember" id="mram_SiliconValleyBankCreditFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element id="mram_EndOfTermFeePercentage" name="EndOfTermFeePercentage" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableCancelledOrForfeitedInPeriod" id="mram_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableCancelledOrForfeitedInPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantUsedForOtherShareBasedAwardsOtherThanOptions" id="mram_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantUsedForOtherShareBasedAwardsOtherThanOptions" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingWeightedAverageExercisePriceAbstract" id="mram_ShareBasedCompensationArrangementByShareBasedPaymentAwardOtherThanOptionsOutstandingWeightedAverageExercisePriceAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantGrantedInPeriod" id="mram_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantGrantedInPeriod" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" 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 name="ScheduleOfAccountsReceivableNetTableTextBlock" id="mram_ScheduleOfAccountsReceivableNetTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableCancelledOrForfeitedInPeriodOtherThanOptions" id="mram_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableCancelledOrForfeitedInPeriodOtherThanOptions" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element name="LicensingRoyaltyAndOtherRevenuesMember" id="mram_LicensingRoyaltyAndOtherRevenuesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="NumberOfGeographicRegions" id="mram_NumberOfGeographicRegions" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <element id="mram_SignificantArrangementsAbstract" name="SignificantArrangementsAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element name="SignificantArrangementsTextBlock" id="mram_SignificantArrangementsTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element name="SilterraMalaysiaSdnBhdMember" id="mram_SilterraMalaysiaSdnBhdMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element name="CollaborativeExpenseObligation" id="mram_CollaborativeExpenseObligation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <element name="CollaborativeExpense" id="mram_CollaborativeExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <element id="mram_IncreaseDecreaseInLeaseLiabilities" name="IncreaseDecreaseInLeaseLiabilities" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="mram_LeaseQuantitativeDisclosureTableTextBlock" name="LeaseQuantitativeDisclosureTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_LeaseDisclosureTextBlock" name="LeaseDisclosureTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_PaymentsOnFinanceLeaseObligations" name="PaymentsOnFinanceLeaseObligations" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="mram_CreditFacility2019Member" name="CreditFacility2019Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_CreditFacility2019TermLoanMember" name="CreditFacility2019TermLoanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_TerminationFeePercentage" name="TerminationFeePercentage" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_NumberOfMonthsInterestOnly" name="NumberOfMonthsInterestOnly" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_OptionToPutWarrantsValue" name="OptionToPutWarrantsValue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="mram_NumberOfMonthsPrincipalPayments" name="NumberOfMonthsPrincipalPayments" nillable="true" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_CreditFacility2019RevolvingLineOfCreditMember" name="CreditFacility2019RevolvingLineOfCreditMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_PrepaymentFeeAsPercentage" name="PrepaymentFeeAsPercentage" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_OpenMarketSalesAgreement2019Member" name="OpenMarketSalesAgreement2019Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <element id="mram_AuthorizedSharesAvailableForOfferingUnderAgreement" name="AuthorizedSharesAvailableForOfferingUnderAgreement" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="mram_MaximumCommissionPercentageOnGrossProceedsOfAnySale" name="MaximumCommissionPercentageOnGrossProceedsOfAnySale" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <element id="mram_WarrantsAndRightsOutstandingFairValue" name="WarrantsAndRightsOutstandingFairValue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="mram_GainOnWarrantRevaluation" name="GainOnWarrantRevaluation" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="mram_IncreaseOfRightOfUseAssetAndLeaseLiabilityDueToLeaseModification" name="IncreaseOfRightOfUseAssetAndLeaseLiabilityDueToLeaseModification" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="mram_AllowanceForProductReturnsAndPriceConcessions" name="AllowanceForProductReturnsAndPriceConcessions" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="mram_TotalConsiderationOfAgreement" name="TotalConsiderationOfAgreement" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="mram_PriorStockBasedCompensationPlanMember" name="PriorStockBasedCompensationPlanMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
</schema>
