document.getElementById("div_canshu").innerHTML="<div style='font-weight:bold; font-size:13px;'>规格选型<\/div><div style='width:700px;overflow-x:scroll;'><table><tr style='white-space:nowrap;'><td>封装/外壳<\/td><td>制造商<\/td><td>安装类型<\/td><td>工作温度<\/td><td>类型<\/td><td>系列<\/td><td>包装<\/td><td>零件状态<\/td><td>功能<\/td><td>电压 - 电源<\/td><td>供应商器件封装<\/td><td>主要用途<\/td><td>电路数<\/td><td>接口<\/td><td>特性<\/td><td>应用<\/td><td>电流 - 电源<\/td><td>压摆率<\/td><td>电压 - 输入失调<\/td><td>电流 - 输出/通道<\/td><\/tr><tr><td><select name='PV' id='USA1PV2' multiple><option value='2_14785'>10-VFDFN 裸露焊盘<\/option><option value='2_3335'>14-SOIC（0.154\"，3.90mm 宽）<\/option><option value='2_3445'>14-TSSOP（0.173\"，4.40mm 宽）<\/option><option value='2_61386'>20-SOIC（0.209\"，5.30mm 宽）<\/option><option value='2_19039'>20-SSOP（0.209\"，5.30mm 宽）<\/option><option value='2_13726'>24-SSOP（0.209\"，5.30mm 宽）<\/option><option value='2_19729'>28-SOIC（0.295\"，7.50mm 宽）<\/option><option value='2_21480'>28-SSOP（0.209\"，5.30mm 宽）<\/option><option value='2_232311'>48-BQFP<\/option><option value='2_27176'>48-LQFP<\/option><option value='2_15889'>8-DIP（0.300\"，7.62mm）<\/option><option value='2_3289'>8-SOIC（0.154\"，3.90mm 宽）<\/option><option value='2_3576'>8-TSSOP，8-MSOP（0.118\"，3.00mm 宽）<\/option><option value='2_12507'>8-WFDFN 裸露焊盘<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV2\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV3' multiple><option value='3_6020'>Texas Instruments<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV3\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV4' multiple><option value='4_4'>表面贴装<\/option><option value='4_47'>通孔<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV4\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV6' multiple><option value='6_60'>0°C ~ 70°C<\/option><option value='6_168'>-25°C ~ 85°C<\/option><option value='6_3016'>-25°C ~ 85°C（TA）<\/option><option value='6_141'>-40°C ~ 125°C<\/option><option value='6_1500'>-40°C ~ 125°C（TA）<\/option><option value='6_37'>-40°C ~ 85°C<\/option><option value='6_1046'>-40°C ~ 85°C（TA）<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV6\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV7' multiple><option value='7_3579'>AB 类<\/option><option value='7_15263'>DAC，音频<\/option><option value='7_35185'>声带<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV7\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV8' multiple><option value='8_19921' selected='selected'>SoundPlus??<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV8\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV9' multiple><option value='9_183'>带卷（TR）&nbsp;<\/option><option value='9_815'>管件&nbsp;<\/option><option value='9_9'>剪切带（CT）&nbsp;<\/option><option value='9_971'>托盘&nbsp;<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV9\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV16' multiple><option value='16_34000'>过期<\/option><option value='16_16'>在售<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV16\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV19' multiple><option value='19_157154'>插值滤波器<\/option><option value='19_26389'>音频接收器<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV19\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV21' multiple><option value='21_40054'>±4.75 V ~ 5.25 V<\/option><option value='21_12182'>±5V<\/option><option value='21_3396'>2.7 V ~ 5.5 V<\/option><option value='21_30171'>3 V ~ 3.6 V，5V<\/option><option value='21_18479'>4.5 V ~ 36 V<\/option><option value='21_7366'>4.5 V ~ 5.5 V<\/option><option value='21_653'>5V<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV21\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV28' multiple><option value='28_14786'>10-VSON（3x3）<\/option><option value='28_7477'>14-SOIC<\/option><option value='28_3446'>14-TSSOP<\/option><option value='28_18521'>20-SO<\/option><option value='28_19040'>20-SSOP<\/option><option value='28_13725'>24-SSOP<\/option><option value='28_19730'>28-SOIC<\/option><option value='28_21481'>28-SSOP<\/option><option value='28_28289'>48-LQFP（7x7）<\/option><option value='28_317205'>48-MQFP（12x12）<\/option><option value='28_15890'>8-PDIP<\/option><option value='28_7829'>8-SOIC<\/option><option value='28_15392'>8-SON（3x3）<\/option><option value='28_8629'>8-VSSOP<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV28\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV29' multiple><option value='29_79925'>音频，麦克风放大器<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV29\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV34' multiple><option value='34_851'>1<\/option><option value='34_1275'>2<\/option><option value='34_1713'>4<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV34\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV43' multiple><option value='43_10'>-<\/option><option value='43_15262'>I2S<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV43\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV44' multiple><option value='44_133584'>差分输入，麦克风，SPI<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV44\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV81' multiple><option value='81_131246'>消费类音频，专业音频<\/option><option value='81_9525'>音频<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV81\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV105' multiple><option value='105_706'>1.5mA<\/option><option value='105_583'>1.8mA<\/option><option value='105_606'>2.6mA<\/option><option value='105_466'>2mA<\/option><option value='105_14062'>3.6mA<\/option><option value='105_541'>4mA<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV105\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV106' multiple><option value='106_3594'>10 V/μs<\/option><option value='106_21034'>17 V/μs<\/option><option value='106_17841'>20 V/μs<\/option><option value='106_31411'>27 V/μs<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV106\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV107' multiple><option value='107_3426'>100μV<\/option><option value='107_3395'>1mV<\/option><option value='107_3591'>500μV<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV107\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV108' multiple><option value='108_10'>-<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV108\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><\/tr><\/table><\/div>";
function clearsel(nameid)
{
var PV=document.getElementById(nameid);
	for(var i=0;i<PV.length;i++)
    {
    	if(PV[i].selected==true)
        	PV[i].selected=false;
    }
}