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SN74LS257BDR

数量

单价

总价

¥ 10.329613

10+

¥ 7.519958

¥ 75.19958

25+

¥ 6.805975

¥ 170.149375

100+

¥ 6.021751

¥ 602.1751

250+

¥ 5.647736

¥ 1411.934

500+

¥ 5.487255

¥ 2743.6275

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购买数量

总价金额：￥ 10.329613

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产品参数

产品属性	属性值
商品目录	信号开关/编解码器/多路复用器
类型	多路复用器
电源极性	单电源
工作电压	4.75V~5.25V
灌电流(IOL)	24mA
拉电流(IOH)	-
工作温度	0℃~+70℃

PDF描述：QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS 四路2号线到1线数据选择器/多路复用器

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CONNECT:[ UseTime:0.000719s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com_pdf;charset=utf8
select * from pdf where partno='SN74LS257BDR' and brandshort='Texas Instruments' limit 1 [ RunTime:0.004230s ]
SHOW FULL COLUMNS FROM `stock_product_overview` [ RunTime:0.002299s ]
SELECT `memo` FROM `stock_product_overview` WHERE `icName` = 'SN74LS257BDR' LIMIT 1 [ RunTime:0.014511s ]
SHOW FULL COLUMNS FROM `pdf` [ RunTime:0.005196s ]
SELECT `id`,`partno`,`note`,`note_cn` FROM `pdf` WHERE `partno` = 'SN74LS257BDR' LIMIT 1 [ RunTime:0.000880s ]
SHOW FULL COLUMNS FROM `stock_pra_lib` [ RunTime:0.002993s ]
SELECT `pra` FROM `stock_pra_lib` WHERE ( ( `partno` = 'SN74LS257BDR' OR `brand` LIKE 'Texas Instruments%' ) ) LIMIT 1 [ RunTime:0.004971s ]
SHOW FULL COLUMNS FROM `icreplace` [ RunTime:0.004523s ]
SELECT `r`.*,`b`.`brandshort`,`b`.`brandcn` FROM `icreplace` `r` LEFT JOIN `stock_brand` `b` ON `b`.`id`=`r`.`icbrandid` WHERE `r`.`partno` = 'SN74LS257BDR' ORDER BY `r`.`id` DESC LIMIT 5 [ RunTime:0.006982s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `categoryid` = 0 AND ( `partno` > 'SN74LS257BDR' ) ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.020965s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `status` = 3 ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.003099s ]

0.397269s

SN74LS257BDR

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总价金额： ￥ 10.329613

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PDF描述：QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS 四路2号线到1线数据选择器/多路复用器

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总价金额：￥ 10.329613