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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

M74HC688RM13TR

数量

单价

总价

4000+

¥ 1.762232

¥ 7048.928

5000+

¥ 1.747027

¥ 8735.135

7000+

¥ 1.725789

¥ 12080.523

10000+

¥ 1.705460

¥ 17054.6

25000+

¥ 1.661498

¥ 41537.45

50000+

¥ 1.635136

¥ 81756.8

显示更多 ▼

购买数量

总价金额：￥ 7048.928

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样品申购

详细描述：幅值比较器钻头低有效输出 A=B 20-SO

产品参数

产品属性	属性值
不同 V、最大 CL 时最大传播延迟	29ns @ 6V，50pF
位数	8
供应商器件封装	20-SO
制造商	STMicroelectronics
包装	卷带（TR）
基本产品编号	74HC688
安装类型	表面贴装型
封装、外壳	20-SOIC（0.295"，7.50mm 宽）
工作温度	-55°C ~ 125°C
电压 - 供电	2V ~ 6V
电流 - 输出高、低	5.2mA，5.2mA
电流 - 静态 (Iq)	4 µA
类型	身份比较器
系列	74HC
输出	低有效
输出功能	A=B
零件状态	停产

PDF描述：8 BIT EQUALITY COMPARATOR 8位比较器平等

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CONNECT:[ UseTime:0.003758s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com;charset=utf8
SHOW FULL COLUMNS FROM `visit_log` [ RunTime:0.001687s ]
INSERT INTO `visit_log` SET `ip` = '216.73.216.245' , `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_63963977.html' [ RunTime:0.006771s ]
SHOW FULL COLUMNS FROM `product_type` [ RunTime:0.001953s ]
SELECT `id`,`typeid`,`name`,`typestr` FROM `product_type` WHERE `id` NOT IN (11,12,13,14,15) AND `id` <= 750 [ RunTime:0.001229s ]
SHOW FULL COLUMNS FROM `o_cart` [ RunTime:0.001543s ]
SELECT COUNT(*) AS think_count FROM `o_cart` WHERE ( `userId` = 0 AND `visitIP` = '216.73.216.245' ) [ RunTime:0.000524s ]
SHOW FULL COLUMNS FROM `ad` [ RunTime:0.001305s ]
SELECT * FROM `ad` WHERE `isDisplay` = 1 [ RunTime:0.000426s ]
SHOW FULL COLUMNS FROM `stock` [ RunTime:0.002611s ]
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` = '63963977' LIMIT 1 [ RunTime:0.000690s ]
SHOW FULL COLUMNS FROM `stock_pra` [ RunTime:0.001380s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 63963977 [ RunTime:0.000370s ]
SHOW FULL COLUMNS FROM `stock_price` [ RunTime:0.001172s ]
SELECT * FROM `stock_price` WHERE `stockid` = 63963977 ORDER BY `minOrder` ASC [ RunTime:0.006430s ]
SHOW FULL COLUMNS FROM `stock_unitquantity` [ RunTime:0.001140s ]
SELECT * FROM `stock_unitquantity` WHERE `stockid` = 63963977 ORDER BY `unit` DESC [ RunTime:0.000344s ]
SHOW FULL COLUMNS FROM `stock_warehousequantity` [ RunTime:0.001244s ]
SELECT * FROM `stock_warehousequantity` WHERE `stockid` = 63963977 [ RunTime:0.000307s ]
SELECT `name` FROM `product_type` WHERE `id` = 0 LIMIT 1 [ RunTime:0.000240s ]
SELECT * FROM `stock_price` WHERE `stockid` = 63963977 ORDER BY `minOrder` ASC [ RunTime:0.000359s ]
CONNECT:[ UseTime:0.000531s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com_pdf;charset=utf8
select * from pdf where partno='M74HC688RM13TR' and brandshort='STMicroelectronics' limit 1 [ RunTime:0.001193s ]
select foldpath,foldpath2,filename from pdf_file where id=579553 limit 1 [ RunTime:0.004850s ]
SHOW FULL COLUMNS FROM `stock_product_overview` [ RunTime:0.001860s ]
SELECT `memo` FROM `stock_product_overview` WHERE `icName` = 'M74HC688RM13TR' LIMIT 1 [ RunTime:0.000386s ]
SHOW FULL COLUMNS FROM `pdf` [ RunTime:0.001549s ]
SELECT `id`,`partno`,`note`,`note_cn` FROM `pdf` WHERE `partno` = 'M74HC688RM13TR' LIMIT 1 [ RunTime:0.000519s ]
SHOW FULL COLUMNS FROM `stock_pra_lib` [ RunTime:0.001404s ]
SELECT `pra` FROM `stock_pra_lib` WHERE ( ( `partno` = 'M74HC688RM13TR' OR `brand` LIKE 'STMicroelectronics%' ) ) LIMIT 1 [ RunTime:0.000539s ]
SELECT `id` FROM `stock` WHERE `id` <> 63963977 AND `partno` = 'M74HC688RM13TR' AND `lockUser` = 0 AND ( LOWER(brand) LIKE '%stmicroelectronics%' ) [ RunTime:0.001982s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 15325000 [ RunTime:0.000645s ]
SELECT `note` FROM `stock` WHERE `id` = 15325000 LIMIT 1 [ RunTime:0.000279s ]
SELECT `description` FROM `stock` WHERE `id` = 15325000 LIMIT 1 [ RunTime:0.000229s ]
SHOW FULL COLUMNS FROM `icreplace` [ RunTime:0.001479s ]
SELECT `r`.*,`b`.`brandshort`,`b`.`brandcn` FROM `icreplace` `r` LEFT JOIN `stock_brand` `b` ON `b`.`id`=`r`.`icbrandid` WHERE `r`.`partno` = 'M74HC688RM13TR' ORDER BY `r`.`id` DESC LIMIT 5 [ RunTime:0.000455s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `categoryid` = 0 AND ( `partno` > 'M74HC688RM13TR' ) ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.010803s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `status` = 3 ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.001009s ]

0.282458s

M74HC688RM13TR

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总价金额： ￥ 7048.928

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详细描述：幅值比较器 钻头 低有效 输出 A=B 20-SO

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PDF描述：8 BIT EQUALITY COMPARATOR 8位比较器平等

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总价金额：￥ 7048.928

详细描述：幅值比较器钻头低有效输出 A=B 20-SO