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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

DM74LS157N

数量

单价

总价

25+

¥ 4.882188

¥ 122.0547

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总价金额：￥ 122.0547

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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	onsemi
包装	管件
基本产品编号	74LS157
安装类型	通孔
封装、外壳	16-DIP（0.300"，7.62mm）
工作温度	0°C ~ 70°C
独立电路	1
电压 - 供电	4.75V ~ 5.25V
电流 - 输出高、低	400µA，8mA
电路	4 x 2:1
类型	多路复用器
系列	74LS
零件状态	停产

PDF描述：Quad 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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SHOW FULL COLUMNS FROM `visit_log` [ RunTime:0.002053s ]
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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:0.002633s ]
SHOW FULL COLUMNS FROM `o_cart` [ RunTime:0.002661s ]
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SHOW FULL COLUMNS FROM `ad` [ RunTime:0.002596s ]
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SHOW FULL COLUMNS FROM `stock` [ RunTime:0.002477s ]
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` = '63911813' LIMIT 1 [ RunTime:0.002380s ]
SHOW FULL COLUMNS FROM `stock_pra` [ RunTime:0.002184s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 63911813 [ RunTime:0.000590s ]
SHOW FULL COLUMNS FROM `stock_price` [ RunTime:0.007188s ]
SELECT * FROM `stock_price` WHERE `stockid` = 63911813 ORDER BY `minOrder` ASC [ RunTime:0.004877s ]
SHOW FULL COLUMNS FROM `stock_unitquantity` [ RunTime:0.009880s ]
SELECT * FROM `stock_unitquantity` WHERE `stockid` = 63911813 ORDER BY `unit` DESC [ RunTime:0.000771s ]
SHOW FULL COLUMNS FROM `stock_warehousequantity` [ RunTime:0.001943s ]
SELECT * FROM `stock_warehousequantity` WHERE `stockid` = 63911813 [ RunTime:0.003291s ]
SELECT `name` FROM `product_type` WHERE `id` = 0 LIMIT 1 [ RunTime:0.005189s ]
SELECT * FROM `stock_price` WHERE `stockid` = 63911813 ORDER BY `minOrder` ASC [ RunTime:0.001032s ]
CONNECT:[ UseTime:0.000728s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com_pdf;charset=utf8
select * from pdf where partno='DM74LS157N' and brandshort='onsemi' limit 1 [ RunTime:0.001001s ]
SHOW FULL COLUMNS FROM `stock_product_overview` [ RunTime:0.005900s ]
SELECT `memo` FROM `stock_product_overview` WHERE `icName` = 'DM74LS157N' LIMIT 1 [ RunTime:0.005582s ]
SHOW FULL COLUMNS FROM `pdf` [ RunTime:0.005506s ]
SELECT `id`,`partno`,`note`,`note_cn` FROM `pdf` WHERE `partno` = 'DM74LS157N' LIMIT 1 [ RunTime:0.001556s ]
SHOW FULL COLUMNS FROM `stock_pra_lib` [ RunTime:0.003063s ]
SELECT `pra` FROM `stock_pra_lib` WHERE ( ( `partno` = 'DM74LS157N' OR `brand` LIKE 'onsemi%' ) ) LIMIT 1 [ RunTime:0.019764s ]
SELECT `id` FROM `stock` WHERE `id` <> 63911813 AND `partno` = 'DM74LS157N' AND `lockUser` = 0 AND ( LOWER(brand) LIKE '%onsemi%' ) [ RunTime:0.001224s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 19197454 [ RunTime:0.000596s ]
SELECT `note` FROM `stock` WHERE `id` = 19197454 LIMIT 1 [ RunTime:0.000504s ]
SELECT `description` FROM `stock` WHERE `id` = 19197454 LIMIT 1 [ RunTime:0.003081s ]
SHOW FULL COLUMNS FROM `icreplace` [ RunTime:0.004934s ]
SELECT `r`.*,`b`.`brandshort`,`b`.`brandcn` FROM `icreplace` `r` LEFT JOIN `stock_brand` `b` ON `b`.`id`=`r`.`icbrandid` WHERE `r`.`partno` = 'DM74LS157N' ORDER BY `r`.`id` DESC LIMIT 5 [ RunTime:0.003540s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `categoryid` = 0 AND ( `partno` > 'DM74LS157N' ) ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.005210s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `status` = 3 ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.001734s ]

0.320311s

DM74LS157N

购买数量

总价金额： ￥ 122.0547

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：Quad 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

产品概述

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总价金额：￥ 122.0547