<?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="C54973457_QFN-24_4x4">
          <description>CH449F — Clean-Room IPC-7351B / JEDEC MO-220 (QFN-24)</description>
          <smd name="1" x="-1.95" y="1.25" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="2" x="-1.95" y="0.75" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="3" x="-1.95" y="0.25" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="4" x="-1.95" y="-0.25" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="5" x="-1.95" y="-0.75" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="6" x="-1.95" y="-1.25" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="7" x="-1.25" y="-1.95" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="8" x="-0.75" y="-1.95" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="9" x="-0.25" y="-1.95" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="10" x="0.25" y="-1.95" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="11" x="0.75" y="-1.95" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="12" x="1.25" y="-1.95" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="13" x="1.95" y="-1.25" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="14" x="1.95" y="-0.75" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="15" x="1.95" y="-0.25" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="16" x="1.95" y="0.25" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="17" x="1.95" y="0.75" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="18" x="1.95" y="1.25" dx="0.8" dy="0.28" layer="1" roundness="25"/>
          <smd name="19" x="1.25" y="1.95" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="20" x="0.75" y="1.95" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="21" x="0.25" y="1.95" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="22" x="-0.25" y="1.95" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="23" x="-0.75" y="1.95" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="24" x="-1.25" y="1.95" dx="0.28" dy="0.8" layer="1" roundness="25"/>
          <smd name="25" x="0.0" y="0.0" dx="2.56" dy="2.56" layer="1" cream="no"/>
          <rectangle x1="-1.135" y1="-1.135" x2="-0.145" y2="-0.145" layer="31"/>
          <rectangle x1="-1.135" y1="0.145" x2="-0.145" y2="1.135" layer="31"/>
          <rectangle x1="0.145" y1="-1.135" x2="1.135" y2="-0.145" layer="31"/>
          <rectangle x1="0.145" y1="0.145" x2="1.135" y2="1.135" layer="31"/>
          <wire x1="-2.0" y1="2.0" x2="-1.61" y2="2.0" width="0.15" layer="21"/>
          <wire x1="1.61" y1="2.0" x2="2.0" y2="2.0" width="0.15" layer="21"/>
          <wire x1="2.0" y1="-2.0" x2="2.0" y2="-1.61" width="0.15" layer="21"/>
          <wire x1="2.0" y1="1.61" x2="2.0" y2="2.0" width="0.15" layer="21"/>
          <wire x1="-2.0" y1="-2.0" x2="-1.61" y2="-2.0" width="0.15" layer="21"/>
          <wire x1="1.61" y1="-2.0" x2="2.0" y2="-2.0" width="0.15" layer="21"/>
          <wire x1="-2.0" y1="-2.0" x2="-2.0" y2="-1.61" width="0.15" layer="21"/>
          <wire x1="-2.0" y1="1.61" x2="-2.0" y2="2.0" width="0.15" layer="21"/>
          <circle x="-2.8" y="1.25" radius="0.18" width="0" layer="21"/>
          <wire x1="-2.6" y1="-2.6" x2="2.6" y2="-2.6" width="0.05" layer="39"/>
          <wire x1="2.6" y1="-2.6" x2="2.6" y2="2.6" width="0.05" layer="39"/>
          <wire x1="2.6" y1="2.6" x2="-2.6" y2="2.6" width="0.05" layer="39"/>
          <wire x1="-2.6" y1="2.6" x2="-2.6" y2="-2.6" width="0.05" layer="39"/>
          <text x="-2.6" y="3.2" size="1.0" layer="25">&gt;NAME</text>
          <text x="-2.6" y="-4.2" size="1.0" layer="27">&gt;VALUE</text>
        </package>
      </packages>
      <symbols>
        <symbol name="CH449F_SYM">
          <wire x1="-15.24" y1="-17.78" x2="15.24" y2="-17.78" width="0.254" layer="94"/>
          <wire x1="15.24" y1="-17.78" x2="15.24" y2="17.78" width="0.254" layer="94"/>
          <wire x1="15.24" y1="17.78" x2="-15.24" y2="17.78" width="0.254" layer="94"/>
          <wire x1="-15.24" y1="17.78" x2="-15.24" y2="-17.78" width="0.254" layer="94"/>
          <text x="-15.24" y="19.05" size="1.778" layer="95">&gt;NAME</text>
          <text x="-15.24" y="-20.32" size="1.778" layer="96">&gt;VALUE</text>
          <pin name="PU_SDA" x="-20.32" y="15.24" length="middle" direction="io"/>
          <pin name="VDD" x="-20.32" y="12.7" length="middle" direction="io"/>
          <pin name="A0X_A0Y" x="-20.32" y="10.16" length="middle" direction="io"/>
          <pin name="A0X_A0Y_4" x="-20.32" y="7.62" length="middle" direction="io"/>
          <pin name="A1X_A1Y" x="-20.32" y="5.08" length="middle" direction="io"/>
          <pin name="A1X_A1Y_6" x="-20.32" y="2.54" length="middle" direction="io"/>
          <pin name="A2X_A2Y" x="-20.32" y="0.0" length="middle" direction="io"/>
          <pin name="A2X_A2Y_8" x="-20.32" y="-2.54" length="middle" direction="io"/>
          <pin name="A3X_A3Y" x="-20.32" y="-5.08" length="middle" direction="io"/>
          <pin name="A3X_A3Y_10" x="-20.32" y="-7.62" length="middle" direction="io"/>
          <pin name="ADDR" x="-20.32" y="-10.16" length="middle" direction="io"/>
          <pin name="RSTI#" x="-20.32" y="-12.7" length="middle" direction="io"/>
          <pin name="GND" x="-20.32" y="-15.24" length="middle" direction="io"/>
          <pin name="LVR#" x="20.32" y="-15.24" length="middle" direction="io" rot="R180"/>
          <pin name="B3X_B3Y" x="20.32" y="-12.7" length="middle" direction="io" rot="R180"/>
          <pin name="B3X_B3Y_16" x="20.32" y="-10.16" length="middle" direction="io" rot="R180"/>
          <pin name="B2X_B2Y" x="20.32" y="-7.62" length="middle" direction="io" rot="R180"/>
          <pin name="B2X_B2Y_18" x="20.32" y="-5.08" length="middle" direction="io" rot="R180"/>
          <pin name="B1X_B1Y" x="20.32" y="-2.54" length="middle" direction="io" rot="R180"/>
          <pin name="B1X_B1Y_20" x="20.32" y="0.0" length="middle" direction="io" rot="R180"/>
          <pin name="B0X_B0Y" x="20.32" y="2.54" length="middle" direction="io" rot="R180"/>
          <pin name="B0X_B0Y_22" x="20.32" y="5.08" length="middle" direction="io" rot="R180"/>
          <pin name="SDA" x="20.32" y="7.62" length="middle" direction="io" rot="R180"/>
          <pin name="SCL" x="20.32" y="10.16" length="middle" direction="io" rot="R180"/>
          <pin name="P25" x="20.32" y="12.7" length="middle" direction="io" rot="R180"/>
        </symbol>
      </symbols>
      <devicesets>
        <deviceset name="CH449F" prefix="U">
          <gates>
            <gate name="G$1" symbol="CH449F_SYM" x="0" y="0"/>
          </gates>
          <devices>
            <device name="" package="C54973457_QFN-24_4x4">
              <connects>
                <connect gate="G$1" pin="PU_SDA" pad="1"/>
                <connect gate="G$1" pin="VDD" pad="2"/>
                <connect gate="G$1" pin="A0X_A0Y" pad="3"/>
                <connect gate="G$1" pin="A0X_A0Y_4" pad="4"/>
                <connect gate="G$1" pin="A1X_A1Y" pad="5"/>
                <connect gate="G$1" pin="A1X_A1Y_6" pad="6"/>
                <connect gate="G$1" pin="A2X_A2Y" pad="7"/>
                <connect gate="G$1" pin="A2X_A2Y_8" pad="8"/>
                <connect gate="G$1" pin="A3X_A3Y" pad="9"/>
                <connect gate="G$1" pin="A3X_A3Y_10" pad="10"/>
                <connect gate="G$1" pin="ADDR" pad="11"/>
                <connect gate="G$1" pin="RSTI#" pad="12"/>
                <connect gate="G$1" pin="GND" pad="13"/>
                <connect gate="G$1" pin="LVR#" pad="14"/>
                <connect gate="G$1" pin="B3X_B3Y" pad="15"/>
                <connect gate="G$1" pin="B3X_B3Y_16" pad="16"/>
                <connect gate="G$1" pin="B2X_B2Y" pad="17"/>
                <connect gate="G$1" pin="B2X_B2Y_18" pad="18"/>
                <connect gate="G$1" pin="B1X_B1Y" pad="19"/>
                <connect gate="G$1" pin="B1X_B1Y_20" pad="20"/>
                <connect gate="G$1" pin="B0X_B0Y" pad="21"/>
                <connect gate="G$1" pin="B0X_B0Y_22" pad="22"/>
                <connect gate="G$1" pin="SDA" pad="23"/>
                <connect gate="G$1" pin="SCL" pad="24"/>
                <connect gate="G$1" pin="P25" pad="25"/>
              </connects>
            </device>
          </devices>
        </deviceset>
      </devicesets>
    </library>
  </drawing>
</eagle>
