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>存储容量<\/td><td>接口<\/td><td>特性<\/td><td>配置<\/td><td>输入类型<\/td><td>电压 - 输入（最大值）<\/td><td>输入数<\/td><td>包括<\/td><td>参考类型<\/td><\/tr><tr><td><select name='PV' id='USA1PV2' multiple><option value='2_35546'>100-TQFP 裸露焊盘<\/option><option value='2_51658'>140-BFBGA<\/option><option value='2_55607'>144-LFBGA，CSPBGA<\/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_22011'>32-TQFP<\/option><option value='2_19818'>32-WFQFN 裸露焊盘<\/option><option value='2_26246'>40-WFQFN 裸露焊盘<\/option><option value='2_27176'>48-LQFP<\/option><option value='2_14848'>48-TFSOP（0.240\"，6.10mm 宽）<\/option><option value='2_27272'>48-VFQFN 裸露焊盘<\/option><option value='2_38376'>48-WFQFN 裸露焊盘<\/option><option value='2_41635'>52-WFQFN 裸露焊盘<\/option><option value='2_30455'>56-VFQFN 裸露焊盘<\/option><option value='2_37197'>64-VFQFN 裸露焊盘，CSP<\/option><option value='2_42628'>64-WFQFN 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_13791'>Analog Devices Inc.<\/option><option value='3_21436'>Linear Technology<\/option><option value='3_6020'>Texas Instruments<\/option><option value='3_11502'>TPI (Test Products Int)<\/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><\/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_141'>-40°C ~ 125°C<\/option><option value='6_37'>-40°C ~ 85°C<\/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_100862'>AAF，ADC，交叉点开关，LNA，VGA<\/option><option value='7_49543'>手持型<\/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_10'>-<\/option><option value='8_89951'>460<\/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_11211'>上次购买时间<\/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_141123'>记录， 保存， 趋势， DMM<\/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_53360'>1.8V，3V<\/option><option value='21_304122'>4.8 VDC 电池；5.5 VDC 适配器<\/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_51421'>100-TQFP-EP（14x14）<\/option><option value='28_51659'>140-BGA（11.25x9）<\/option><option value='28_141083'>144-CSPBGA（10x10）<\/option><option value='28_19730'>28-SOIC<\/option><option value='28_21481'>28-SSOP<\/option><option value='28_21735'>32-QFN（5x5）<\/option><option value='28_30562'>32-TQFP（5x5）<\/option><option value='28_33882'>40-QFN（6x6）<\/option><option value='28_28289'>48-LQFP（7x7）<\/option><option value='28_27270'>48-QFN（7x7）<\/option><option value='28_14847'>48-TSSOP<\/option><option value='28_28663'>48-VQFN（7x7）<\/option><option value='28_41636'>52-QFN（7x8）<\/option><option value='28_30454'>56-QFN（8x8）<\/option><option value='28_37194'>64-LFCSP-VQ（9x9）<\/option><option value='28_28767'>64-QFN（9x9）<\/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='USA1PV41' multiple><option value='41_10'>-<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV41\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV43' multiple><option value='43_14577'>RS232<\/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_10'>-<\/option><option value='44_26767'>PGA<\/option><option value='44_31927'>同步采样<\/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='USA1PV62' multiple><option value='62_22523'>ADC<\/option><option value='62_18732'>S/H-ADC<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV62\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV151' multiple><option value='151_7818'>差分<\/option><option value='151_26914'>差分，单端<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV151\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV261' multiple><option value='261_2824'>600V<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV261\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV283' multiple><option value='283_851'>1<\/option><option value='283_1275'>2<\/option><option value='283_1713'>4<\/option><option value='283_5091'>8<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV283\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV314' multiple><option value='314_304124'>适配器，电源，测试引线<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV314\");' style='cursor:pointer; color:#F00;white-space:nowrap;'>重新选择<\/span><\/td><td><select name='PV' id='USA1PV366' multiple><option value='366_26797'>外部， 内部<\/option><\/select><br \/><span onclick='clearsel(\"USA1PV366\");' 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++)
    {
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}