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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

sn74ls191n

数量

单价

总价

¥ 133.532967

10+

¥ 98.328821

¥ 983.28821

25+

¥ 88.990851

¥ 2224.771275

100+

¥ 78.999224

¥ 7899.9224

250+

¥ 74.610378

¥ 18652.5945

500+

¥ 71.808987

¥ 35904.4935

1000+

¥ 69.848013

¥ 69848.013

2500+

¥ 66.859863

¥ 167149.6575

5000+

¥ 65.645927

¥ 328229.635

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总价金额：￥ 133.532967

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产品参数

产品属性	属性值
商品目录	计数器/分频器
逻辑类型	2分频
计数方向	向上计数器
向下计数器
工作电压	4.75V~5.25V
元件数	1
触发沿	上升沿
复位方式	-
计时方式	同步
计数速率	25MHz
工作温度	0℃~+70℃

PDF描述：SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 同步向上/向下计数器， DOWN / UP模式控制

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SHOW FULL COLUMNS FROM `visit_log` [ RunTime:0.002436s ]
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SELECT `name` FROM `product_type` WHERE `id` = 0 LIMIT 1 [ RunTime:0.000250s ]
SELECT * FROM `stock_price` WHERE `stockid` = 71617896 ORDER BY `minOrder` ASC [ RunTime:0.000435s ]
CONNECT:[ UseTime:0.000606s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com_pdf;charset=utf8
select * from pdf where partno='sn74ls191n' and brandshort='texas instruments' limit 1 [ RunTime:0.001592s ]
SHOW FULL COLUMNS FROM `stock_product_overview` [ RunTime:0.001564s ]
SELECT `memo` FROM `stock_product_overview` WHERE `icName` = 'sn74ls191n' LIMIT 1 [ RunTime:0.000398s ]
SHOW FULL COLUMNS FROM `pdf` [ RunTime:0.001661s ]
SELECT `id`,`partno`,`note`,`note_cn` FROM `pdf` WHERE `partno` = 'sn74ls191n' LIMIT 1 [ RunTime:0.000809s ]
SHOW FULL COLUMNS FROM `stock_pra_lib` [ RunTime:0.002082s ]
SELECT `pra` FROM `stock_pra_lib` WHERE ( ( `partno` = 'sn74ls191n' OR `brand` LIKE 'texas instruments%' ) ) LIMIT 1 [ RunTime:0.001303s ]
SHOW FULL COLUMNS FROM `icreplace` [ RunTime:0.001642s ]
SELECT `r`.*,`b`.`brandshort`,`b`.`brandcn` FROM `icreplace` `r` LEFT JOIN `stock_brand` `b` ON `b`.`id`=`r`.`icbrandid` WHERE `r`.`partno` = 'sn74ls191n' ORDER BY `r`.`id` DESC LIMIT 5 [ RunTime:0.000817s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `categoryid` = 0 AND ( `partno` > 'sn74ls191n' ) ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.005493s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `status` = 3 ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.001388s ]

0.264151s

sn74ls191n

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PDF描述：SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL 同步向上/向下计数器， DOWN / UP模式控制

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总价金额：￥ 133.532967