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<!-- Creation Date      : 2017-05-02T15:16:51.8214837+00:00 -->
<!-- Version            : 2.4.5.10 -->
<!-- Package ID         : 0A6173EFEA6E496AD438E0CAC58EBB4A-0000817720-001702 -->
<!-- Copyright (c) 2017 Donnelley Financial, LLC. All Rights Reserved. -->
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  <element id="syna_CustomerBMember" name="CustomerBMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <element id="syna_CustomerCMember" name="CustomerCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <element id="syna_CustomerDMember" name="CustomerDMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <element id="syna_CustomerEMember" name="CustomerEMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <element id="syna_CustomerFMember" name="CustomerFMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <element id="syna_EmployeeSeveranceAndBenefitsMember" name="EmployeeSeveranceAndBenefitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <element id="syna_FacilityConsolidationAndRelatedChargesMember" name="FacilityConsolidationAndRelatedChargesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
</schema>
