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图片源于供应商或网络,实物可能存在差异,请以实物为准

MC74HC390ADR2

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826+

¥ 2.974928

¥ 2457.290528

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总价金额：￥ 2457.290528

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详细描述：计数器 IC 计数器，十进制 2 个元件 4 钻头负边沿 16-SOIC

产品参数

产品属性	属性值
供应商器件封装	16-SOIC
元件数	2
制造商	onsemi
包装	散装
基本产品编号	74HC390
复位	异步
安装类型	表面贴装型
定时	-
封装、外壳	16-SOIC（0.154"，3.90mm 宽）
工作温度	-55°C ~ 125°C
方向	-
每个元件位数	4
电压 - 供电	2 V ~ 6 V
系列	74HC
触发器类型	负边沿
计数速率	50 MHz
逻辑类型	计数器，十进制
零件状态	在售

PDF描述：Dual 4-Stage Binary Ripple Counter with ±2 and ±5 Sections 双4级二进制纹波计数器与÷ 2 ÷和5节

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CONNECT:[ UseTime:0.000886s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com;charset=utf8
SHOW FULL COLUMNS FROM `visit_log` [ RunTime:0.002476s ]
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SELECT `id`,`typeid`,`name`,`typestr` FROM `product_type` WHERE `id` NOT IN (11,12,13,14,15) AND `id` <= 750 [ RunTime:0.000605s ]
SHOW FULL COLUMNS FROM `o_cart` [ RunTime:0.002327s ]
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SELECT `s`.*,`u`.`company`,`t`.`name` FROM `stock` `s` LEFT JOIN `user` `u` ON `u`.`id`=`s`.`userid` LEFT JOIN `product_type` `t` ON `t`.`id`=`s`.`categoryid` WHERE `s`.`id` = '50049942' LIMIT 1 [ RunTime:0.005868s ]
SHOW FULL COLUMNS FROM `stock_pra` [ RunTime:0.002409s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 50049942 [ RunTime:0.000765s ]
SHOW FULL COLUMNS FROM `stock_price` [ RunTime:0.001983s ]
SELECT * FROM `stock_price` WHERE `stockid` = 50049942 ORDER BY `minOrder` ASC [ RunTime:0.003359s ]
SHOW FULL COLUMNS FROM `stock_unitquantity` [ RunTime:0.001948s ]
SELECT * FROM `stock_unitquantity` WHERE `stockid` = 50049942 ORDER BY `unit` DESC [ RunTime:0.000608s ]
SHOW FULL COLUMNS FROM `stock_warehousequantity` [ RunTime:0.001898s ]
SELECT * FROM `stock_warehousequantity` WHERE `stockid` = 50049942 [ RunTime:0.001532s ]
SELECT `name` FROM `product_type` WHERE `id` = 0 LIMIT 1 [ RunTime:0.000347s ]
SELECT * FROM `stock_price` WHERE `stockid` = 50049942 ORDER BY `minOrder` ASC [ RunTime:0.000335s ]
CONNECT:[ UseTime:0.000703s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com_pdf;charset=utf8
select * from pdf where partno='MC74HC390ADR2' and brandshort='onsemi' limit 1 [ RunTime:0.006584s ]
select foldpath,foldpath2,filename from pdf_file where id=456328 limit 1 [ RunTime:0.013780s ]
SHOW FULL COLUMNS FROM `stock_product_overview` [ RunTime:0.001732s ]
SELECT `memo` FROM `stock_product_overview` WHERE `memo` LIKE '%MC74HC390ADR2%' LIMIT 1 [ RunTime:0.003179s ]
SHOW FULL COLUMNS FROM `pdf` [ RunTime:0.004356s ]
SELECT `id`,`partno`,`note`,`note_cn` FROM `pdf` WHERE `partno` = 'MC74HC390ADR2' LIMIT 1 [ RunTime:0.008093s ]
SHOW FULL COLUMNS FROM `stock_pra_lib` [ RunTime:0.004233s ]
SELECT `pra` FROM `stock_pra_lib` WHERE ( ( `partno` = 'MC74HC390ADR2' OR `brand` LIKE 'onsemi%' ) ) LIMIT 1 [ RunTime:0.044518s ]
SELECT `id` FROM `stock` WHERE `id` <> 50049942 AND `partno` = 'MC74HC390ADR2' AND `lockUser` = 0 AND ( LOWER(brand) LIKE '%onsemi%' ) [ RunTime:0.030820s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 17107705 [ RunTime:0.010334s ]
SELECT `note` FROM `stock` WHERE `id` = 17107705 LIMIT 1 [ RunTime:0.007823s ]
SELECT `description` FROM `stock` WHERE `id` = 17107705 LIMIT 1 [ RunTime:0.014494s ]
SHOW FULL COLUMNS FROM `icreplace` [ RunTime:0.008562s ]
SELECT `r`.*,`b`.`brandshort`,`b`.`brandcn` FROM `icreplace` `r` LEFT JOIN `stock_brand` `b` ON `b`.`id`=`r`.`icbrandid` WHERE `r`.`partno` = 'MC74HC390ADR2' ORDER BY `r`.`id` DESC LIMIT 5 [ RunTime:0.007581s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `categoryid` = 0 AND ( `partno` > 'MC74HC390ADR2' ) ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.018467s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `status` = 3 ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.004622s ]

0.433473s

MC74HC390ADR2

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总价金额： ￥ 2457.290528

推荐替代

详细描述：计数器 IC 计数器，十进制 2 个元件 4 钻头 负边沿 16-SOIC

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PDF描述：Dual 4-Stage Binary Ripple Counter with ±2 and ±5 Sections 双4级二进制纹波计数器与÷ 2 ÷和5节

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总价金额：￥ 2457.290528

详细描述：计数器 IC 计数器，十进制 2 个元件 4 钻头负边沿 16-SOIC