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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

SN74HCS21QDRQ1

数量

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总价

¥ 7.024137

10+

¥ 5.007796

¥ 50.07796

25+

¥ 4.505364

¥ 112.6341

100+

¥ 3.955828

¥ 395.5828

250+

¥ 3.694200

¥ 923.55

500+

¥ 3.536529

¥ 1768.2645

1000+

¥ 3.514878

¥ 3514.878

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产品参数

产品属性	属性值
商品目录	逻辑门
逻辑类型	与门
通道数	2
工作电压	2V~6V
静态电流(Iq)	2uA
灌电流(IOL)	7.8mA
拉电流(IOH)	7.8mA
输入高电平(VIH)	1.5V~4.2V
输入低电平(VIL)	1V~3V
系列	74HCS系列
传播延迟(tpd)	16ns@6V，50pF
工作温度	-40℃~+125℃

PDF描述：与门 IC 2 通道施密特触发器输入 14-SOIC

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SHOW FULL COLUMNS FROM `visit_log` [ RunTime:0.001167s ]
INSERT INTO `visit_log` SET `ip` = '216.73.216.133' , `useragent` = 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)' , `reffer` = '' , `host` = 'https://www.ic118.com/stock/detail_63788815.html' [ RunTime:0.001545s ]
SHOW FULL COLUMNS FROM `product_type` [ RunTime:0.001112s ]
SELECT `id`,`typeid`,`name`,`typestr` FROM `product_type` WHERE `id` NOT IN (11,12,13,14,15) AND `id` <= 750 [ RunTime:0.000485s ]
SHOW FULL COLUMNS FROM `o_cart` [ RunTime:0.001484s ]
SELECT COUNT(*) AS think_count FROM `o_cart` WHERE ( `userId` = 0 AND `visitIP` = '216.73.216.133' ) [ RunTime:0.000292s ]
SHOW FULL COLUMNS FROM `ad` [ RunTime:0.002067s ]
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SHOW FULL COLUMNS FROM `stock` [ RunTime:0.002637s ]
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` = '63788815' LIMIT 1 [ RunTime:0.001584s ]
SHOW FULL COLUMNS FROM `stock_pra` [ RunTime:0.002259s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 63788815 [ RunTime:0.000605s ]
SHOW FULL COLUMNS FROM `stock_price` [ RunTime:0.002205s ]
SELECT * FROM `stock_price` WHERE `stockid` = 63788815 ORDER BY `minOrder` ASC [ RunTime:0.002056s ]
SHOW FULL COLUMNS FROM `stock_unitquantity` [ RunTime:0.002071s ]
SELECT * FROM `stock_unitquantity` WHERE `stockid` = 63788815 ORDER BY `unit` DESC [ RunTime:0.000562s ]
SHOW FULL COLUMNS FROM `stock_warehousequantity` [ RunTime:0.003223s ]
SELECT * FROM `stock_warehousequantity` WHERE `stockid` = 63788815 [ RunTime:0.000513s ]
SELECT `name` FROM `product_type` WHERE `id` = 0 LIMIT 1 [ RunTime:0.000249s ]
SELECT * FROM `stock_price` WHERE `stockid` = 63788815 ORDER BY `minOrder` ASC [ RunTime:0.000257s ]
CONNECT:[ UseTime:0.000552s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com_pdf;charset=utf8
select * from pdf where partno='SN74HCS21QDRQ1' and brandshort='Texas Instruments' limit 1 [ RunTime:0.001003s ]
SHOW FULL COLUMNS FROM `stock_product_overview` [ RunTime:0.001818s ]
SELECT `memo` FROM `stock_product_overview` WHERE `icName` = 'SN74HCS21QDRQ1' LIMIT 1 [ RunTime:0.001443s ]
SHOW FULL COLUMNS FROM `pdf` [ RunTime:0.001899s ]
SELECT `id`,`partno`,`note`,`note_cn` FROM `pdf` WHERE `partno` = 'SN74HCS21QDRQ1' LIMIT 1 [ RunTime:0.001238s ]
SHOW FULL COLUMNS FROM `stock_pra_lib` [ RunTime:0.001745s ]
SELECT `pra` FROM `stock_pra_lib` WHERE ( ( `partno` = 'SN74HCS21QDRQ1' OR `brand` LIKE 'Texas Instruments%' ) ) LIMIT 1 [ RunTime:0.001000s ]
SHOW FULL COLUMNS FROM `icreplace` [ RunTime:0.001783s ]
SELECT `r`.*,`b`.`brandshort`,`b`.`brandcn` FROM `icreplace` `r` LEFT JOIN `stock_brand` `b` ON `b`.`id`=`r`.`icbrandid` WHERE `r`.`partno` = 'SN74HCS21QDRQ1' ORDER BY `r`.`id` DESC LIMIT 5 [ RunTime:0.000759s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `categoryid` = 0 AND ( `partno` > 'SN74HCS21QDRQ1' ) ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.001124s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `status` = 3 ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.000902s ]

0.254088s

SN74HCS21QDRQ1

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PDF描述： 与门 IC 2 通道 施密特触发器输入 14-SOIC

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总价金额：￥ 7.024137

PDF描述：与门 IC 2 通道施密特触发器输入 14-SOIC