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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

sn74ls193nsr

数量

单价

总价

¥ 95.714189

10+

¥ 81.987374

¥ 819.87374

25+

¥ 76.571352

¥ 1914.2838

100+

¥ 67.980419

¥ 6798.0419

250+

¥ 63.871713

¥ 15967.92825

500+

¥ 61.350461

¥ 30675.2305

1000+

¥ 60.603423

¥ 60603.423

2000+

¥ 56.681476

¥ 113362.952

4000+

¥ 55.467540

¥ 221870.16

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总价金额：￥ 95.714189

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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
元件数	1
触发沿	上升沿
复位方式	异步
计时方式	同步
计数速率	32MHz
工作温度	0℃~+70℃

PDF描述：SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR) 同步4位加/减计数器（双时钟有明确的）

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SELECT `name` FROM `product_type` WHERE `id` = 0 LIMIT 1 [ RunTime:0.000252s ]
SELECT * FROM `stock_price` WHERE `stockid` = 71617652 ORDER BY `minOrder` ASC [ RunTime:0.000374s ]
CONNECT:[ UseTime:0.000594s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com_pdf;charset=utf8
select * from pdf where partno='sn74ls193nsr' and brandshort='texas instruments' limit 1 [ RunTime:0.000661s ]
SHOW FULL COLUMNS FROM `stock_product_overview` [ RunTime:0.001626s ]
SELECT `memo` FROM `stock_product_overview` WHERE `icName` = 'sn74ls193nsr' LIMIT 1 [ RunTime:0.000408s ]
SHOW FULL COLUMNS FROM `pdf` [ RunTime:0.001373s ]
SELECT `id`,`partno`,`note`,`note_cn` FROM `pdf` WHERE `partno` = 'sn74ls193nsr' LIMIT 1 [ RunTime:0.000488s ]
SHOW FULL COLUMNS FROM `stock_pra_lib` [ RunTime:0.001128s ]
SELECT `pra` FROM `stock_pra_lib` WHERE ( ( `partno` = 'sn74ls193nsr' OR `brand` LIKE 'texas instruments%' ) ) LIMIT 1 [ RunTime:0.000614s ]
SHOW FULL COLUMNS FROM `icreplace` [ RunTime:0.001324s ]
SELECT `r`.*,`b`.`brandshort`,`b`.`brandcn` FROM `icreplace` `r` LEFT JOIN `stock_brand` `b` ON `b`.`id`=`r`.`icbrandid` WHERE `r`.`partno` = 'sn74ls193nsr' ORDER BY `r`.`id` DESC LIMIT 5 [ RunTime:0.000565s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `categoryid` = 0 AND ( `partno` > 'sn74ls193nsr' ) ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.001243s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `status` = 3 ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.000847s ]

0.236077s

sn74ls193nsr

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PDF描述：SYNCHRONOUS 4-BIT UP/DOWN COUNTERS (DUAL CLOCK WITH CLEAR) 同步4位加/减计数器（双时钟有明确的）

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总价金额：￥ 95.714189