<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE eagle SYSTEM "eagle.dtd">
<eagle version="9.6.2">
  <drawing>
    <settings><setting alwaysvectorfont="no"/><setting verticaltext="up"/></settings>
    <grid distance="0.1" unitdist="mm" unit="mm" style="lines" multiple="1" display="yes" altdistance="0.05" altunitdist="mm" altunit="mm"/>
    <layers>
      <layer number="1" name="Top" color="4" fill="1" visible="yes" active="yes"/>
      <layer number="16" name="Bottom" color="1" fill="1" visible="yes" active="yes"/>
      <layer number="17" name="Pads" color="2" fill="1" visible="yes" active="yes"/>
      <layer number="18" name="Vias" color="2" fill="1" visible="yes" active="yes"/>
      <layer number="21" name="tPlace" color="7" fill="1" visible="yes" active="yes"/>
      <layer number="25" name="tNames" color="7" fill="1" visible="yes" active="yes"/>
      <layer number="27" name="tValues" color="7" fill="1" visible="yes" active="yes"/>
      <layer number="29" name="tStop" color="7" fill="3" visible="no" active="yes"/>
      <layer number="31" name="tCream" color="7" fill="4" visible="no" active="yes"/>
      <layer number="39" name="tKeepout" color="4" fill="11" visible="yes" active="yes"/>
      <layer number="41" name="tRestrict" color="4" fill="10" visible="yes" active="yes"/>
      <layer number="51" name="tDocu" color="7" fill="1" visible="yes" active="yes"/>
      <layer number="94" name="Symbols" color="4" fill="1" visible="yes" active="yes"/>
      <layer number="95" name="Names" color="7" fill="1" visible="yes" active="yes"/>
      <layer number="96" name="Values" color="7" fill="1" visible="yes" active="yes"/>
    </layers>
    <library>
      <packages>
        <package name="C54891604_QFN-20_2.5x4.5">
          <description>CH481D — Clean-Room Clean-Room Metric Synthesis (QFN)</description>
          <smd name="1" x="-1.75" y="-1.158" dx="0.28" dy="0.665" layer="1" roundness="25"/>
          <smd name="2" x="-1.25" y="-1.158" dx="0.28" dy="0.665" layer="1" roundness="25"/>
          <smd name="3" x="-0.75" y="-1.158" dx="0.28" dy="0.665" layer="1" roundness="25"/>
          <smd name="4" x="-0.25" y="-1.158" dx="0.28" dy="0.665" layer="1" roundness="25"/>
          <smd name="5" x="0.25" y="-1.158" dx="0.28" dy="0.665" layer="1" roundness="25"/>
          <smd name="6" x="0.75" y="-1.158" dx="0.28" dy="0.665" layer="1" roundness="25"/>
          <smd name="7" x="1.25" y="-1.158" dx="0.28" dy="0.665" layer="1" roundness="25"/>
          <smd name="8" x="1.75" y="-1.158" dx="0.28" dy="0.665" layer="1" roundness="25"/>
          <smd name="9" x="2.158" y="-0.25" dx="0.665" dy="0.28" layer="1" roundness="25"/>
          <smd name="10" x="2.158" y="0.25" dx="0.665" dy="0.28" layer="1" roundness="25"/>
          <smd name="11" x="1.75" y="1.158" dx="0.28" dy="0.665" layer="1" roundness="25"/>
          <smd name="12" x="1.25" y="1.158" dx="0.28" dy="0.665" layer="1" roundness="25"/>
          <smd name="13" x="0.75" y="1.158" dx="0.28" dy="0.665" layer="1" roundness="25"/>
          <smd name="14" x="0.25" y="1.158" dx="0.28" dy="0.665" layer="1" roundness="25"/>
          <smd name="15" x="-0.25" y="1.158" dx="0.28" dy="0.665" layer="1" roundness="25"/>
          <smd name="16" x="-0.75" y="1.158" dx="0.28" dy="0.665" layer="1" roundness="25"/>
          <smd name="17" x="-1.25" y="1.158" dx="0.28" dy="0.665" layer="1" roundness="25"/>
          <smd name="18" x="-1.75" y="1.158" dx="0.28" dy="0.665" layer="1" roundness="25"/>
          <smd name="19" x="-2.158" y="0.25" dx="0.665" dy="0.28" layer="1" roundness="25"/>
          <smd name="20" x="-2.158" y="-0.25" dx="0.665" dy="0.28" layer="1" roundness="25"/>
          <smd name="21" x="0.0" y="0.0" dx="3.0" dy="1.0" layer="1" cream="no"/>
          <rectangle x1="-1.387" y1="-0.444" x2="-0.613" y2="-0.056" layer="31"/>
          <rectangle x1="-1.387" y1="0.056" x2="-0.613" y2="0.444" layer="31"/>
          <rectangle x1="-0.388" y1="-0.444" x2="0.388" y2="-0.056" layer="31"/>
          <rectangle x1="-0.388" y1="0.056" x2="0.388" y2="0.444" layer="31"/>
          <rectangle x1="0.613" y1="-0.444" x2="1.387" y2="-0.056" layer="31"/>
          <rectangle x1="0.613" y1="0.056" x2="1.387" y2="0.444" layer="31"/>
          <wire x1="-1.25" y1="2.25" x2="1.25" y2="2.25" width="0.15" layer="21"/>
          <wire x1="1.25" y1="-2.25" x2="1.25" y2="-1.71" width="0.15" layer="21"/>
          <wire x1="1.25" y1="1.71" x2="1.25" y2="2.25" width="0.15" layer="21"/>
          <wire x1="-1.25" y1="-2.25" x2="1.25" y2="-2.25" width="0.15" layer="21"/>
          <wire x1="-1.25" y1="-2.25" x2="-1.25" y2="-1.71" width="0.15" layer="21"/>
          <wire x1="-1.25" y1="1.71" x2="-1.25" y2="2.25" width="0.15" layer="21"/>
          <circle x="-2.34" y="-1.158" radius="0.18" width="0" layer="21"/>
          <wire x1="-2.74" y1="-2.5" x2="2.74" y2="-2.5" width="0.05" layer="39"/>
          <wire x1="2.74" y1="-2.5" x2="2.74" y2="2.5" width="0.05" layer="39"/>
          <wire x1="2.74" y1="2.5" x2="-2.74" y2="2.5" width="0.05" layer="39"/>
          <wire x1="-2.74" y1="2.5" x2="-2.74" y2="-2.5" width="0.05" layer="39"/>
          <text x="-2.74" y="3.1" size="1.0" layer="25">&gt;NAME</text>
          <text x="-2.74" y="-4.1" size="1.0" layer="27">&gt;VALUE</text>
        </package>
      </packages>
      <symbols>
        <symbol name="CH481D_SYM">
          <wire x1="-15.24" y1="-15.24" x2="15.24" y2="-15.24" width="0.254" layer="94"/>
          <wire x1="15.24" y1="-15.24" x2="15.24" y2="15.24" width="0.254" layer="94"/>
          <wire x1="15.24" y1="15.24" x2="-15.24" y2="15.24" width="0.254" layer="94"/>
          <wire x1="-15.24" y1="15.24" x2="-15.24" y2="-15.24" width="0.254" layer="94"/>
          <text x="-15.24" y="16.51" size="1.778" layer="95">&gt;NAME</text>
          <text x="-15.24" y="-17.78" size="1.778" layer="96">&gt;VALUE</text>
          <pin name="EN#" x="-20.32" y="12.7" length="middle" direction="io"/>
          <pin name="SSAX_SSAY_____SSBX_SSBY" x="-20.32" y="10.16" length="middle" direction="io"/>
          <pin name="SSAX_SSAY_____SSBX_SSBY_3" x="-20.32" y="7.62" length="middle" direction="io"/>
          <pin name="GND" x="-20.32" y="5.08" length="middle" direction="io"/>
          <pin name="VDD" x="-20.32" y="2.54" length="middle" direction="io"/>
          <pin name="SSAX_SSAY_____SSBX_SSBY_6" x="-20.32" y="0.0" length="middle" direction="io"/>
          <pin name="SSAX_SSAY_____SSBX_SSBY_7" x="-20.32" y="-2.54" length="middle" direction="io"/>
          <pin name="SEL" x="-20.32" y="-5.08" length="middle" direction="io"/>
          <pin name="VDD_9" x="-20.32" y="-7.62" length="middle" direction="io"/>
          <pin name="GND_10" x="-20.32" y="-10.16" length="middle" direction="io"/>
          <pin name="SSA1X_SSA1Y_____SSB1X_SSB1Y" x="-20.32" y="-12.7" length="middle" direction="io"/>
          <pin name="SSA1X_SSA1Y_____SSB1X_SSB1Y_12" x="20.32" y="-12.7" length="middle" direction="io" rot="R180"/>
          <pin name="SSA1X_SSA1Y_____SSB1X_SSB1Y_13" x="20.32" y="-10.16" length="middle" direction="io" rot="R180"/>
          <pin name="SSA1X_SSA1Y_____SSB1X_SSB1Y_14" x="20.32" y="-7.62" length="middle" direction="io" rot="R180"/>
          <pin name="SSA0X_SSA0Y_____SSB0X_SSB0Y" x="20.32" y="-5.08" length="middle" direction="io" rot="R180"/>
          <pin name="SSA0X_SSA0Y_____SSB0X_SSB0Y_16" x="20.32" y="-2.54" length="middle" direction="io" rot="R180"/>
          <pin name="SSA0X_SSA0Y_____SSB0X_SSB0Y_17" x="20.32" y="0.0" length="middle" direction="io" rot="R180"/>
          <pin name="SSA0X_SSA0Y_____SSB0X_SSB0Y_18" x="20.32" y="2.54" length="middle" direction="io" rot="R180"/>
          <pin name="GND_19" x="20.32" y="5.08" length="middle" direction="io" rot="R180"/>
          <pin name="VDD_20" x="20.32" y="7.62" length="middle" direction="io" rot="R180"/>
          <pin name="GND_21" x="20.32" y="10.16" length="middle" direction="io" rot="R180"/>
        </symbol>
      </symbols>
      <devicesets>
        <deviceset name="CH481D" prefix="U">
          <gates>
            <gate name="G$1" symbol="CH481D_SYM" x="0" y="0"/>
          </gates>
          <devices>
            <device name="" package="C54891604_QFN-20_2.5x4.5">
              <connects>
                <connect gate="G$1" pin="EN#" pad="1"/>
                <connect gate="G$1" pin="SSAX_SSAY_____SSBX_SSBY" pad="2"/>
                <connect gate="G$1" pin="SSAX_SSAY_____SSBX_SSBY_3" pad="3"/>
                <connect gate="G$1" pin="GND" pad="4"/>
                <connect gate="G$1" pin="VDD" pad="5"/>
                <connect gate="G$1" pin="SSAX_SSAY_____SSBX_SSBY_6" pad="6"/>
                <connect gate="G$1" pin="SSAX_SSAY_____SSBX_SSBY_7" pad="7"/>
                <connect gate="G$1" pin="SEL" pad="8"/>
                <connect gate="G$1" pin="VDD_9" pad="9"/>
                <connect gate="G$1" pin="GND_10" pad="10"/>
                <connect gate="G$1" pin="SSA1X_SSA1Y_____SSB1X_SSB1Y" pad="11"/>
                <connect gate="G$1" pin="SSA1X_SSA1Y_____SSB1X_SSB1Y_12" pad="12"/>
                <connect gate="G$1" pin="SSA1X_SSA1Y_____SSB1X_SSB1Y_13" pad="13"/>
                <connect gate="G$1" pin="SSA1X_SSA1Y_____SSB1X_SSB1Y_14" pad="14"/>
                <connect gate="G$1" pin="SSA0X_SSA0Y_____SSB0X_SSB0Y" pad="15"/>
                <connect gate="G$1" pin="SSA0X_SSA0Y_____SSB0X_SSB0Y_16" pad="16"/>
                <connect gate="G$1" pin="SSA0X_SSA0Y_____SSB0X_SSB0Y_17" pad="17"/>
                <connect gate="G$1" pin="SSA0X_SSA0Y_____SSB0X_SSB0Y_18" pad="18"/>
                <connect gate="G$1" pin="GND_19" pad="19"/>
                <connect gate="G$1" pin="VDD_20" pad="20"/>
                <connect gate="G$1" pin="GND_21" pad="21"/>
              </connects>
            </device>
          </devices>
        </deviceset>
      </devicesets>
    </library>
  </drawing>
</eagle>
