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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

CD74HC257E

数量

单价

总价

¥ 11.817077

10+

¥ 8.585974

¥ 85.85974

25+

¥ 7.791007

¥ 194.775175

100+

¥ 6.910098

¥ 691.0098

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购买数量

总价金额：￥ 11.817077

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详细描述：多路复用器 4 x 2：1 16-PDIP

产品参数

产品属性	属性值
供应商器件封装	16-PDIP
供电电压源	单电源
制造商	Texas Instruments
包装	管件
基本产品编号	74HC257
安装类型	通孔
封装、外壳	16-DIP（0.300"，7.62mm）
工作温度	-55°C ~ 125°C
独立电路	1
电压 - 供电	2V ~ 6V
电流 - 输出高、低	7.8mA，7.8mA
电路	4 x 2:1
类型	多路复用器
系列	74HC
零件状态	在售

PDF描述：High Speed CMOS Logic Quad 2-Input Multiplexer with Three-State Non-Inverting Outputs 高速CMOS逻辑四路2输入多路复用器与三态非反相输出

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SELECT * FROM `stock_warehousequantity` WHERE `stockid` = 63908973 [ RunTime:0.004092s ]
SELECT `name` FROM `product_type` WHERE `id` = 0 LIMIT 1 [ RunTime:0.000338s ]
SELECT * FROM `stock_price` WHERE `stockid` = 63908973 ORDER BY `minOrder` ASC [ RunTime:0.000322s ]
CONNECT:[ UseTime:0.000663s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com_pdf;charset=utf8
select * from pdf where partno='CD74HC257E' and brandshort='Texas Instruments' limit 1 [ RunTime:0.001844s ]
SHOW FULL COLUMNS FROM `stock_product_overview` [ RunTime:0.002310s ]
SELECT `memo` FROM `stock_product_overview` WHERE `icName` = 'CD74HC257E' LIMIT 1 [ RunTime:0.000470s ]
SHOW FULL COLUMNS FROM `pdf` [ RunTime:0.003063s ]
SELECT `id`,`partno`,`note`,`note_cn` FROM `pdf` WHERE `partno` = 'CD74HC257E' LIMIT 1 [ RunTime:0.000560s ]
SHOW FULL COLUMNS FROM `stock_pra_lib` [ RunTime:0.002660s ]
SELECT `pra` FROM `stock_pra_lib` WHERE ( ( `partno` = 'CD74HC257E' OR `brand` LIKE 'Texas Instruments%' ) ) LIMIT 1 [ RunTime:0.001373s ]
SELECT `id` FROM `stock` WHERE `id` <> 63908973 AND `partno` = 'CD74HC257E' AND `lockUser` = 0 AND ( LOWER(brand) LIKE '%texas instruments%' ) [ RunTime:0.016944s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 16099910 [ RunTime:0.013337s ]
SELECT `note` FROM `stock` WHERE `id` = 16099910 LIMIT 1 [ RunTime:0.004965s ]
SELECT `description` FROM `stock` WHERE `id` = 16099910 LIMIT 1 [ RunTime:0.000368s ]
SHOW FULL COLUMNS FROM `icreplace` [ RunTime:0.001432s ]
SELECT `r`.*,`b`.`brandshort`,`b`.`brandcn` FROM `icreplace` `r` LEFT JOIN `stock_brand` `b` ON `b`.`id`=`r`.`icbrandid` WHERE `r`.`partno` = 'CD74HC257E' ORDER BY `r`.`id` DESC LIMIT 5 [ RunTime:0.000463s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `categoryid` = 0 AND ( `partno` > 'CD74HC257E' ) ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.000406s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `status` = 3 ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.000944s ]

0.329153s

CD74HC257E

购买数量

总价金额： ￥ 11.817077

推荐替代

详细描述：多路复用器 4 x 2：1 16-PDIP

产品参数

PDF描述：High Speed CMOS Logic Quad 2-Input Multiplexer with Three-State Non-Inverting Outputs 高速CMOS逻辑四路2输入多路复用器与三态非反相输出

产品概述

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总价金额：￥ 11.817077