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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

efm8ub20f32g-b-qfn32r

数量

单价

总价

¥ 222.803957

10+

¥ 166.122481

¥ 1661.22481

25+

¥ 151.742008

¥ 3793.5502

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¥ 136.054219

¥ 13605.4219

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¥ 128.490463

¥ 32122.61575

500+

¥ 125.782452

¥ 62891.226

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¥ 118.218696

¥ 118218.696

1500+

¥ 115.510685

¥ 173266.0275

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¥ 112.802674

¥ 338408.022

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总价金额：￥ 222.803957

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样品申购

详细描述：CIP-51 8051 Universal Bee 微控制器 IC 8 位 48MHz 32KB（32K x 8）闪存 32-QFN（5x5）

产品参数

产品属性	属性值
DigiKey 可编程	未验证
EEPROM 容量	-
I、O 数	25
RAM 大小	2.25K x 8
供应商器件封装	32-QFN（5x5）
内核规格	8 位
制造商	Silicon Labs
包装	卷带（TR），剪切带（CT），Digi-Reel® 得捷定制卷带
基本产品编号	EFM8UB20
外设	欠压检测、复位，POR，PWM，WDT
安装类型	表面贴装型
封装、外壳	32-VFQFN 祼焊盘
工作温度	-40°C ~ 85°C（TA）
振荡器类型	内部
数据转换器	A、D 20x10b
核心处理器	CIP-51 8051
电压 - 供电 (Vcc、Vdd)	2.65V ~ 3.6V
程序存储器类型	闪存
程序存储容量	32KB（32K x 8）
系列	Universal Bee
连接能力	I2C，SMBus，SPI，UART、USART，USB
速度	48MHz
零件状态	在售

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CONNECT:[ UseTime:0.000589s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com;charset=utf8
SHOW FULL COLUMNS FROM `visit_log` [ RunTime:0.001271s ]
INSERT INTO `visit_log` SET `ip` = '216.73.217.15' , `useragent` = 'Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)' , `reffer` = '' , `host` = 'https://www.ic118.com/stock/detail_71735494.html' [ RunTime:0.001750s ]
SHOW FULL COLUMNS FROM `product_type` [ RunTime:0.001232s ]
SELECT `id`,`typeid`,`name`,`typestr` FROM `product_type` WHERE `id` NOT IN (11,12,13,14,15) AND `id` <= 750 [ RunTime:0.002195s ]
SHOW FULL COLUMNS FROM `o_cart` [ RunTime:0.002159s ]
SELECT COUNT(*) AS think_count FROM `o_cart` WHERE ( `userId` = 0 AND `visitIP` = '216.73.217.15' ) [ RunTime:0.000556s ]
SHOW FULL COLUMNS FROM `ad` [ RunTime:0.002717s ]
SELECT * FROM `ad` WHERE `isDisplay` = 1 [ RunTime:0.000512s ]
SHOW FULL COLUMNS FROM `stock` [ RunTime:0.002377s ]
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` = '71735494' LIMIT 1 [ RunTime:0.000915s ]
SHOW FULL COLUMNS FROM `stock_pra` [ RunTime:0.002086s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 71735494 [ RunTime:0.000442s ]
SHOW FULL COLUMNS FROM `stock_price` [ RunTime:0.001985s ]
SELECT * FROM `stock_price` WHERE `stockid` = 71735494 ORDER BY `minOrder` ASC [ RunTime:0.001051s ]
SHOW FULL COLUMNS FROM `stock_unitquantity` [ RunTime:0.002011s ]
SELECT * FROM `stock_unitquantity` WHERE `stockid` = 71735494 ORDER BY `unit` DESC [ RunTime:0.000494s ]
SHOW FULL COLUMNS FROM `stock_warehousequantity` [ RunTime:0.003140s ]
SELECT * FROM `stock_warehousequantity` WHERE `stockid` = 71735494 [ RunTime:0.000555s ]
SELECT `name` FROM `product_type` WHERE `id` = 0 LIMIT 1 [ RunTime:0.000419s ]
SELECT * FROM `stock_price` WHERE `stockid` = 71735494 ORDER BY `minOrder` ASC [ RunTime:0.000627s ]
CONNECT:[ UseTime:0.000503s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com_pdf;charset=utf8
select * from pdf where partno='efm8ub20f32g-b-qfn32r' and brandshort='silicon labs' limit 1 [ RunTime:0.002531s ]
SHOW FULL COLUMNS FROM `stock_product_overview` [ RunTime:0.001971s ]
SELECT `memo` FROM `stock_product_overview` WHERE `icName` = 'efm8ub20f32g-b-qfn32r' LIMIT 1 [ RunTime:0.000478s ]
SHOW FULL COLUMNS FROM `pdf` [ RunTime:0.002089s ]
SELECT `id`,`partno`,`note`,`note_cn` FROM `pdf` WHERE `partno` = 'efm8ub20f32g-b-qfn32r' LIMIT 1 [ RunTime:0.000596s ]
SHOW FULL COLUMNS FROM `stock_pra_lib` [ RunTime:0.001852s ]
SELECT `pra` FROM `stock_pra_lib` WHERE ( ( `partno` = 'efm8ub20f32g-b-qfn32r' OR `brand` LIKE 'silicon labs%' ) ) LIMIT 1 [ RunTime:0.001627s ]
SELECT `id` FROM `stock` WHERE `id` <> 71735494 AND `partno` = 'efm8ub20f32g-b-qfn32r' AND `lockUser` = 0 AND ( LOWER(brand) LIKE '%silicon labs%' ) [ RunTime:0.001435s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 15339018 [ RunTime:0.000948s ]
SELECT `note` FROM `stock` WHERE `id` = 15339018 LIMIT 1 [ RunTime:0.000269s ]
SELECT `description` FROM `stock` WHERE `id` = 15339018 LIMIT 1 [ RunTime:0.000280s ]
SHOW FULL COLUMNS FROM `icreplace` [ RunTime:0.001221s ]
SELECT `r`.*,`b`.`brandshort`,`b`.`brandcn` FROM `icreplace` `r` LEFT JOIN `stock_brand` `b` ON `b`.`id`=`r`.`icbrandid` WHERE `r`.`partno` = 'efm8ub20f32g-b-qfn32r' ORDER BY `r`.`id` DESC LIMIT 5 [ RunTime:0.000447s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `categoryid` = 0 AND ( `partno` > 'efm8ub20f32g-b-qfn32r' ) ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.006123s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `status` = 3 ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.000758s ]

0.226474s

efm8ub20f32g-b-qfn32r

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总价金额： ￥ 222.803957

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详细描述：CIP-51 8051 Universal Bee 微控制器 IC 8 位 48MHz 32KB（32K x 8） 闪存 32-QFN（5x5）

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总价金额：￥ 222.803957

详细描述：CIP-51 8051 Universal Bee 微控制器 IC 8 位 48MHz 32KB（32K x 8）闪存 32-QFN（5x5）