CINXE.COM

BQ2022ALPR_TI1/德州仪器_可擦除可编程ROM 1KB Ser 可擦除可编程ROM中天科工集团-114ic电子网

<!DOCTYPE html> <html> <head> <!--[if lt IE 9]> <script type="text/javascript" src="https://oss.114ic.com/js3w/html5.js"></script> <![endif]--> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge, chrome=1"> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"> <meta name="format-detection" content="telephone=no" /> <title>BQ2022ALPR_TI1/德州仪器_可擦除可编程ROM 1KB Ser 可擦除可编程ROM中天科工集团-114ic电子网</title> <meta name="keywords" content="BQ2022ALPR,BQ2022ALPR数据手册,BQ2022ALPR价格"> <meta name="description" content="BQ2022ALPR、可擦除可编程ROM 1KB Ser 可擦除可编程ROM、德州仪器/TI1/德州仪器芯片BQ2022ALPR价格由中天科工半导体(深圳)有限公司提供"> <link rel="stylesheet" type="text/css" href="https://oss.114ic.com/layuiadmin/layui/css/layui.css"> <link rel="stylesheet" type="text/css" href="https://oss.114ic.com/js/swiper/swiper.min.css"> <link rel="stylesheet" type="text/css" href="https://oss.114ic.com/css3w/global.css"> <link rel="stylesheet" type="text/css" href="https://oss.114ic.com/css3w/style.css"> <script type="text/javascript" src="https://oss.114ic.com/layuiadmin/layui/layui.js"></script> <script type="text/javascript" src="https://oss.114ic.com/js/jquery.min.js"></script> <script type="text/javascript" src="https://oss.114ic.com/js/swiper/swiper.min.js"></script> <script type="text/javascript" src="https://oss.114ic.com/js3w/main.js"></script> <script type="text/javascript" src="https://oss.114ic.com/js/tw.js"></script> </head> <body> <div class="header"> <div class="head_wrap"></div> <div class="head clear"> <div class="wrap"> <div id="headflt" class="flt">您好,欢迎来到114ic电子网! <span class="login bg_icon"><a rel="nofollow" title="登录" target="_blank" href="https://member.114ic.com/member/login.asp">登录</a>,<a rel="nofollow" target="_blank" title="QQ快捷登录" href="https://member.114ic.com/member/loginqqapi.asp">QQ登录</a>,<a title="注册" target="_blank" href="https://member.114ic.com/reg/">免费注册</a></span></div> <div class="head_nav frt"> <ul> <li> <a rel="nofollow" title="旗下网站" href="javascript:void(0)">旗下网站<i class="bg_icon"></i></a> <div class="drop"> <ul> <li><a title="ic资料网" target="_blank" href="https://www.114ic.cn">ic资料网</a></li> </ul> </div> </li> <li><a id="zh_tran" rel="nofollow" title="繁体简体转换" href="#" onclick="zh_tran('t');" >繁体中文</a></li> <li><a title="网站地图" href="/about/sitemap.html">网站地图</a></li> <li><a rel="nofollow" title="会员套餐" href="/about/memberfunction.html#0183;3456:443;11318">会员套餐</a></li> <li><a rel="nofollow" title="广告服务" href="/about/ad.html">广告服务</a></li> <li><a rel="nofollow" title="付款方式" href="/about/pay.html">付款方式</a></li> <li><a rel="nofollow" title="联系我们" href="/about/contact.html">联系我们</a></li> <li><a rel="nofollow" title="在线咨询" href="/about/book/">在线咨询</a></li> <li><a rel="nofollow" title="诚信监督" href="/about/creditservice.html">诚信监督</a></li> </ul> </div> </div> </div> <div class="wrap"> <div class="logo flt"> <a href="/" title="114ic电子网"> <img src="https://oss.114ic.com/img/logo.png" alt="114ic电子网"></a> </div> <div class="menu frt"> <ul> <li><a href="/" title="首页">首页</a></li> <li><a href="/info/list1.html" title="商情资讯">商情资讯<i class="bg_icon down"></i></a></li> <li><a href="/fair/" title="电子展会">电子展会<i class="bg_icon down"></i></a></li> <li class="on"><a href="/hotic3/" title="IC芯片/元器件">芯片/元器件<i class="bg_icon down"></i></a></li> <li><a href="/especial/" title="IC芯片采购"><span class="bg_icon hot"></span>采购信息<i class="bg_icon down"></i></a></li> <li><a href="/company/" title="IC芯片供应商">芯片供应商</a></li> <li><a href="/pdf/" title="IC芯片规格书技术资料">技术资料<i class="bg_icon down"></i></a></li> </ul> </div> <div class="menu_wrap"></div> <div class="clear"></div> </div> </div> <div class="mainer"> <div class="wrap"> <form id="search" name="search" method="post" action="/stock/search.html" > <div class="search_flex"> <div class="search_box"> <div class="select"> <span>IC/元器件</span> <i class="bg_icon down"></i> <input type="hidden" id="searchsort" name="searchsort" value="1" /> <div class="drop"> <ul> <li data-type="1">IC/元器件</li> <li data-type="2">PDF资料</li> <li data-type="3">商情资讯</li> <li data-type="4">丝印</li> </ul> </div> </div> <div class="sel_input"> <input type="text" placeholder="请输入型号或关键词" id="key" name="key" value="BQ2022ALPR" class="select_inp" autocomplete="off" /> <label class="lbl exact">精确</label> </div> <div class="sel_btn"> <input type="hidden" class="exactprefix" name="exactprefix" value=""> <input type="submit" id="submit" name="submit" value="搜索" /> </div> <div class="drop2"> <div class="box box0"> </div> <div class="box box1"> </div> </div> <div class="search_hot"> <ul> <li><a title="IC芯片现货库存" href="/hotic3/">IC现货库存</a></li> <li><a title="IP1818L" href="/ip1818l/">IP1818L</a></li><li><a title="CMS79F7334" href="/cms79f7334/">CMS79F7334</a></li><li><a title="MC96F6432AQBN" href="/mc96f6432aqbn/">MC96F6432AQBN</a></li><li><a title="MN103SFN1YXX" href="/mn103sfn1yxx/">MN103SFN1YXX</a></li><li><a title="XCKU5P-2FFVB676I" href="/xcku5p-2ffvb676i/">XCKU5P-2FFVB676I</a></li> </ul> </div> </div> <div class="sel_btn2"> <a title="发布紧急采购" rel="nofollow" onclick="window.open(&quot;/especial-c0/?key=BQ2022ALPR&quot;)" href="javascript:"><span class="bg_icon shopcart"></span>发布紧急采购</a> </div> </div> </form> <div class="page_pos"> <p class="bg_icon"><a title="首页" href="/">首页</a>&gt;<a href="/bq2022alpr/">BQ2022ALPR</a>&gt;芯片详情</p> </div> <div class="pdf_details"> <div class="det_box2"> <h1>BQ2022ALPR 集成电路(IC)存储器 TI1/德州仪器</h1> <div class="flex"> <div class="imgs"> <div id="showbox"><img alt="BQ2022ALPR" src="https://img.114ic.com/imgs/hotic2/202405/152245318459220.jpg" width="768" height="1024" /><img alt="BQ2022ALPR参考图片" src="https://img.114ic.com/dgk/Renders/~~Pkg.Case%20or%20Series/TO-92-3(StandardBody),TO-226_straightlead.jpg" width="400" height="400" /></div> <p class="warntip">图片仅供参考,请参阅产品规格书</p> <div id="showsum"></div> <p class="showpage"> <a rel="nofollow" title="上一张图片" href="javascript:void(0);" id="showlast"><i class="bg_icon"></i></a> <a rel="nofollow" title="下一张图片" href="javascript:void(0);" id="shownext"><i class="bg_icon"></i></a> </p> <script src="https://oss.114ic.com/js/common/common.js" type="text/javascript"></script> </div> <div class="text"> <table> <tr> <th><span class="span_tit">订购数量</span></th> <th><span class="span_tit">价格</span></th> </tr> <tr><td><span>1+</span></td><td><label>1.888</label></td></tr> </table> <ul> <li><span class="span_tit">厂家型号:</span><h3>BQ2022ALPR</h3></li><li><span class="span_tit">产品分类:</span><p>芯片</p></li><li><span class="span_tit">生产厂商:</span><p><a target="_blank" title="TI1/德州仪器" href="/brand/1598.html">Texas Instruments</a></p></li><li><span class="span_tit">库存数量:</span><p>16953</p></li><li><span class="span_tit">产品封装:</span><p>TO923</p></li><li><span class="span_tit">生产批号:</span><p>24+</p></li><li><span class="span_tit">库存类型:</span><p><a target="_blank" title="热卖库存" href="/supply/">热卖库存</a></p></li><li><span class="span_tit">更新时间:</span><p>2025-4-1 11:11:00</p></li> </ul> <div class="btns"> <a class="on" title="BQ2022ALPR数据手册规格书PDF中文资料下载" target="_blank" href="/bq2022alpr/pdf-1244906.html"><i class="bg_icon i-icon6"></i>数据手册</a> <a title="BQ2022ALPR货源" target="_blank" href="https://www.114ic.com/bq2022alpr/"><i class="bg_icon i-icon7" ></i>更多货源</a> </div> </div> </div> <div class="det_tag"> <div class="tab_tit"> <ul class="clear"> <li class="on"><span>详细信息</span></li> <li><span>规格书下载</span></li> </ul> </div> <div class="tag_items"> <div class="item"> <p><span>原厂料号:</span>BQ2022ALPR<span class="ml10">品牌:</span>Texas Instruments</p> <p>TI优势主营型号-原装正品</p><p>BQ2022ALPR是集成电路(IC) > 存储器。制造商Texas Instruments生产封装TO923/TO-226-3,TO-92-3(TO-226AA)成形引线的BQ2022ALPR存储器存储器是集成电路上用作数据存储设备的半导体器件。这些器件分为非易失性或易失性两种,格式包括 CBRAM、DRAM、EEPROM、EERAM、EPROM、闪存、FRAM、NVSRAM、PCM (PRAM)、PSRAM、RAM 和 SRAM。这些器件的存储容量为 64 b 至 6 Tb 不等,接口有 I2C、MMC、并行、eMMC、串行、单线、SPI、UFS、Xccela 总线和 1-Wire。</p> </div> <div class="item"> <ul class="pdf"> <li> <span>芯片型号:</span> <p>BQ2022ALPR</p> </li> <li> <span>规格书:</span> <p> <a target="_blank" title="BQ2022ALPR规格书PDF资料下载" href="https://www.114ic.com/bq2022alpr/pdf.html" class="pdfdown">下载</a> <a target="_blank" title="BQ2022ALPR规格书PDF资料下载地址2" href="https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10\u0026gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Fbq2022a" class="pdfdown">下载2</a> </p> </li> <li> <span>企业简称:</span> <p>TI1【德州仪器】<a class="f_dblue ml10" target="_blank" title="TI1详情" href="/brand/1598.html">详情</a> </p> </li><li> <span>厂商全称:</span> <p>Texas Instruments </p> </li> <li> <span>内容页数:</span> <p>33 页</p> </li> <li> <span>文件大小:</span> <p>992.06 kb</p> </li> <li> <span>资料说明:</span> <p>1K-Bit Serial EPROM with SDQ Interface</p> </li> </ul> </div> </div> </div> <div class="box_pa"> <div class="title"> <h2>产品属性</h2><a title="BQ2022ALPR产品属性参数详情" target="_blank" href="/bq2022alpr/dgk-3466117.html" class="more">更多</a> </div> <ul class="product-attributes"> <li><span>类型</span><p>描述</p></li> <li><span>产品编号:</span><p>BQ2022ALPR</p></li><li><span>制造商:</span><p>Texas Instruments</p></li><li><span>类别:</span><p><a target="_blank" title="集成电路(IC) > 存储器" href="https://hotic.114ic.com/dgkcate921.html">集成电路(IC) > 存储器</a></p></li><li><span>包装:</span><p>剪切带(CT)带盒(TB)</p></li><li><span>存储器类型:</span><p>非易失</p></li><li><span>存储器格式:</span><p>EPROM</p></li><li><span>技术:</span><p>EPROM - OTP</p></li><li><span>存储容量:</span><p>1Kb(256b x 4 页)</p></li><li><span>存储器接口:</span><p>单线</p></li><li><span>电压 - 供电:</span><p>2.65V ~ 5.5V</p></li><li><span>工作温度:</span><p>0°C ~ 70°C(TA)</p></li><li><span>安装类型:</span><p>通孔</p></li><li><span>封装/外壳:</span><p>TO-226-3,TO-92-3(TO-226AA)成形引线</p></li><li><span>供应商器件封装:</span><p>TO-92-3</p></li><li><span>描述:</span><p>IC EPROM 1KBIT SGL WIRE TO92-3</p></li></ul> </div> </div> <div class="det_rt"> <div class="box box_contact tjdet" data-uid="294176"> <h3>供应商</h3> <ul><li><span>企业:</span><p>中天科工半导体(深圳)有限公司</p></li><li><span>商铺:</span><p><a class="comp" title="中天科工半导体(深圳)有限公司" target="_blank" href="https://lydkj88.114ic.com">进入商铺</a></p></li><li><span>联系人:</span><p>李先生</p></li><li><span>手机:</span><p>13128990370</p></li><li><span>询价:</span><div class="wxqq"><a class="a-wxs bg_icon tjwx" data-uid="294176" rel="nofollow"><div class="dropwx"><img src="https://img.114ic.com/imgb/myimg/202311/3018271637908.jpg"></div></a><a class="a-qqs bg_icon tjqq" data-uid="294176" data-sm="2881438908" rel="nofollow" title="点击聊天 QQ:2881438908" href="https://wpa.qq.com/msgrd?v=3&amp;uin=2881438908&amp;Site=www.114ic.com&amp;Menu=yes" target="_blank"></a></div></li><li><span>电话:</span><p>13128990370/微信同号</p></li><li><span>传真:</span><p>原装正品</p></li><li><span>地址:</span><p>深圳市福田区赛格广场54层5406-5406B</p></li></ul> </div> <div class="box"> <div class="page_tit tit2"> <h3>相关型号</h3> </div> <div class="list9"> <ul><li><a title="BQ2022DBZR" href="/bq2022dbzr/hotic2-10288571.html">BQ2022DBZR</a></li><li><a title="BQ2022ALPR" href="/bq2022alpr/hotic2-10288570.html">BQ2022ALPR</a></li><li><a title="BQ2022LPR" href="/bq2022lpr/hotic2-10288572.html">BQ2022LPR</a></li><li><a title="BQ2022ADBZRG4" href="/bq2022adbzrg4/hotic2-4666624.html">BQ2022ADBZRG4</a></li><li><a title="BQ2023PW" href="/bq2023pw/hotic2-10288573.html">BQ2023PW</a></li><li><a title="BQ2022ADBZR" href="/bq2022adbzr/hotic2-10288569.html">BQ2022ADBZR</a></li><li><a title="BQ2023PWG4" href="/bq2023pwg4/hotic2-10288574.html">BQ2023PWG4</a></li><li><a title="BQ2019PWRG4" href="/bq2019pwrg4/hotic2-10288568.html">BQ2019PWRG4</a></li><li><a title="BQ2023PWR" href="/bq2023pwr/hotic2-10288575.html">BQ2023PWR</a></li><li><a title="BQ2019PWR" href="/bq2019pwr/hotic2-10288567.html">BQ2019PWR</a></li></ul> </div> </div> </div> </div> <div class="page_box"> <div class="page_title2"> <h3><i class="bg_icon tit7"></i>相近型号</h3> </div> <ul class="ul_list1"> <li><a title="BQ2024DBZR" href="/bq2024dbzr/hotic2-10288576.html">BQ2024DBZR</a></li><li><a title="BQ2019PWG4" href="/bq2019pwg4/hotic2-10288566.html">BQ2019PWG4</a></li><li><a title="BQ2024DBZRG4" href="/bq2024dbzrg4/hotic2-10288577.html">BQ2024DBZRG4</a></li><li><a title="BQ2018TS-E1TRG4" href="/bq2018ts-e1trg4/hotic2-10288565.html">BQ2018TS-E1TRG4</a></li><li><a title="BQ2026DBZR" href="/bq2026dbzr/hotic2-10288578.html">BQ2026DBZR</a></li><li><a title="BQ2018TS-E1TR" href="/bq2018ts-e1tr/hotic2-10288564.html">BQ2018TS-E1TR</a></li><li><a title="BQ2018TS-E1" href="/bq2018ts-e1/hotic2-10288563.html">BQ2018TS-E1</a></li><li><a title="BQ2026EVM" href="/bq2026evm/hotic2-10288579.html">BQ2026EVM</a></li><li><a title="BQ2026LPR" href="/bq2026lpr/hotic2-10288580.html">BQ2026LPR</a></li><li><a title="BQ2018SN-E1TR" href="/bq2018sn-e1tr/hotic2-10288562.html">BQ2018SN-E1TR</a></li><li><a title="BQ2028YZGR" href="/bq2028yzgr/hotic2-10288581.html">BQ2028YZGR</a></li><li><a title="BQ2018SN-E1" href="/bq2018sn-e1/hotic2-5896282.html">BQ2018SN-E1</a></li><li><a title="BQ2031PN-A5" href="/bq2031pn-a5/hotic2-10288582.html">BQ2031PN-A5</a></li><li><a title="BQ2016DBQG4" href="/bq2016dbqg4/hotic2-10288561.html">BQ2016DBQG4</a></li><li><a title="BQ2031PNA5E4" href="/bq2031pna5e4/hotic2-10288583.html">BQ2031PNA5E4</a></li><li><a title="BQ2016DBQ" href="/bq2016dbq/hotic2-10288560.html">BQ2016DBQ</a></li><li><a title="BQ2014SN-D120TRG4" href="/bq2014sn-d120trg4/hotic2-10288559.html">BQ2014SN-D120TRG4</a></li><li><a title="BQ2031SN-A5" href="/bq2031sn-a5/hotic2-10288584.html">BQ2031SN-A5</a></li><li><a title="BQ2031SNA5TR" href="/bq2031sna5tr/hotic2-10288585.html">BQ2031SNA5TR</a></li><li><a title="BQ2014SN-D120TR" href="/bq2014sn-d120tr/hotic2-10288558.html">BQ2014SN-D120TR</a></li><li><a title="BQ2014SN-D120G4" href="/bq2014sn-d120g4/hotic2-10288557.html">BQ2014SN-D120G4</a></li><li><a title="BQ2031SN-A5TR" href="/bq2031sn-a5tr/hotic2-10288586.html">BQ2031SN-A5TR</a></li><li><a title="BQ2040" href="/bq2040/hotic2-1859547.html">BQ2040</a></li><li><a title="BQ2014SN-D120" href="/bq2014sn-d120/hotic2-10288556.html">BQ2014SN-D120</a></li><li><a title="BQ2014HSNTRG4" href="/bq2014hsntrg4/hotic2-10288555.html">BQ2014HSNTRG4</a></li><li><a title="BQ2040SN-C408" href="/bq2040sn-c408/hotic2-10986324.html">BQ2040SN-C408</a></li><li><a title="BQ2014HSNTR" href="/bq2014hsntr/hotic2-10288554.html">BQ2014HSNTR</a></li><li><a title="BQ2040SN-C408G4" href="/bq2040sn-c408g4/hotic2-10288588.html">BQ2040SN-C408G4</a></li><li><a title="BQ2040SNC408TR" href="/bq2040snc408tr/hotic2-10288589.html">BQ2040SNC408TR</a></li><li><a title="BQ2014HSNG4" href="/bq2014hsng4/hotic2-10288553.html">BQ2014HSNG4</a></li><li><a title="BQ2040SN-D111" href="/bq2040sn-d111/hotic2-10288590.html">BQ2040SN-D111</a></li><li><a title="BQ2014HSN" href="/bq2014hsn/hotic2-10288552.html">BQ2014HSN</a></li><li><a title="BQ2013HSN-A514TRG4" href="/bq2013hsn-a514trg4/hotic2-10288551.html">BQ2013HSN-A514TRG4</a></li><li><a title="BQ2040SN-D111G4" href="/bq2040sn-d111g4/hotic2-10288591.html">BQ2040SN-D111G4</a></li><li><a title="BQ2013HSN-A514TR" href="/bq2013hsn-a514tr/hotic2-10288550.html">BQ2013HSN-A514TR</a></li><li><a title="BQ2040SND111TR" href="/bq2040snd111tr/hotic2-10288592.html">BQ2040SND111TR</a></li><li><a title="BQ2040SN-D111TR" href="/bq2040sn-d111tr/hotic2-10288593.html">BQ2040SN-D111TR</a></li><li><a title="BQ2013HSN-A514G4" href="/bq2013hsn-a514g4/hotic2-10288549.html">BQ2013HSN-A514G4</a></li><li><a title="BQ2040SN-D111TRG4" href="/bq2040sn-d111trg4/hotic2-10288594.html">BQ2040SN-D111TRG4</a></li><li><a title="BQ2013HSN-A514" href="/bq2013hsn-a514/hotic2-10288548.html">BQ2013HSN-A514</a></li><li><a title="BQ2050H" href="/bq2050h/hotic2-10992760.html">BQ2050H</a></li><li><a title="BQ2013HSN-A306" href="/bq2013hsn-a306/hotic2-4667910.html">BQ2013HSN-A306</a></li><li><a title="BQ2012SN-D107TR" href="/bq2012sn-d107tr/hotic2-10288547.html">BQ2012SN-D107TR</a></li><li><a title="BQ2050HSN-A508" href="/bq2050hsn-a508/hotic2-10992759.html">BQ2050HSN-A508</a></li><li><a title="BQ2012SND107TR" href="/bq2012snd107tr/hotic2-10288546.html">BQ2012SND107TR</a></li><li><a title="BQ2050HSN-A508G4" href="/bq2050hsn-a508g4/hotic2-10288596.html">BQ2050HSN-A508G4</a></li><li><a title="BQ2012SN-D107G4" href="/bq2012sn-d107g4/hotic2-10288545.html">BQ2012SN-D107G4</a></li><li><a title="BQ2050HSNA508TR" href="/bq2050hsna508tr/hotic2-10288597.html">BQ2050HSNA508TR</a></li><li><a title="BQ2050HSN-A508TR" href="/bq2050hsn-a508tr/hotic2-10288598.html">BQ2050HSN-A508TR</a></li><li><a title="BQ2012SN-D107" href="/bq2012sn-d107/hotic2-10288544.html">BQ2012SN-D107</a></li> </ul> </div> </div> </div> <div class="footer"> <div class="wrap"> <div class="foot"> <div class="foot_lt item"> <div class="logo"> <a title="首页" href="/"><img src="https://oss.114ic.com/img3w/logo_fff.png"></a> </div> <div class="f_qq"> <span>客户服务</span><a rel="nofollow" href="tencent://message/?Uin=524172589&Site=114ic电子网&Menu=yes"></a> <span>网站合作</span><a rel="nofollow" href="tencent://message/?Uin=164055401&Site=114ic电子网&Menu=yes"></a> </div> </div> <div class="foot_list item"> <ul> <li><a rel="nofollow" href="/about/memberfunction.html">会员套餐</a></li> <li><a rel="nofollow" href="/about/ad.html">广告服务</a></li> <li><a rel="nofollow" href="/about/escrow.html">委托交易</a></li> <li><a rel="nofollow" href="/about/job.html">诚聘精英</a></li> <li><a rel="nofollow" href="/about/caution/">黑名单</a></li> <li><a rel="nofollow" href="/about/about.html">关于我们</a></li> <li><a rel="nofollow" href="/about/pay.html">付款方式</a></li> <li><a rel="nofollow" href="/about/contact.html">联系我们</a></li> <li><a rel="nofollow" class="b-r-s-r" href="/about/book/">在线咨询</a></li> </ul> </div> <div class="add_list"> <ul> <li><p>Tel:+86-755-8246-9263</p></li> <li><p>Email:114ic@114ic.com</p></li> <li><p>投诉建议:web@114ic.com</p></li> </ul> </div> </div> </div> <div class="copyright"> <p>Copyright © 2003-2025 114ic.com All Rights Reserved <a rel="nofollow" target="_blank" href="https://beian.miit.gov.cn/">粤ICP备05011613号</a> <a rel="nofollow" target="_blank" href="http://www.beian.gov.cn/portal/registerSystemInfo?recordcode=44030402000933">粤公网安备 44030402000933号</a> </p> </div> </div> <script src="https://oss.114ic.com/js/total.js" type="text/javascript"></script> </body></html>

Pages: 1 2 3 4 5 6 7 8 9 10