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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

PCF8574PWG4

数量

单价

总价

350+

¥ 14.055132

¥ 4919.2962

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总价金额：￥ 4919.2962

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详细描述：I/O 扩展器 8 I2C 100 kHz 20-TSSOP

产品参数

产品属性	属性值
DigiKey 可编程	未验证
I、O 数	8
中断输出	是
供应商器件封装	20-TSSOP
制造商	Texas Instruments
包装	管件
基本产品编号	PCF8574
安装类型	表面贴装型
封装、外壳	20-TSSOP（0.173"，4.40mm 宽）
工作温度	-40°C ~ 85°C
接口	I2C
时钟频率	100 kHz
特性	POR
电压 - 供电	2.5V ~ 6V
电流 - 灌、拉输出	1mA，25mA
系列	-
输出类型	推挽式
零件状态	停产

PDF描述：REMOTE 8-BIT I/O EXPANDER FOR I2C BUS 远程8位I / O扩展器I2C总线

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CONNECT:[ UseTime:0.000643s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com;charset=utf8
SHOW FULL COLUMNS FROM `visit_log` [ RunTime:0.001685s ]
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SHOW FULL COLUMNS FROM `product_type` [ RunTime:0.001333s ]
SELECT `id`,`typeid`,`name`,`typestr` FROM `product_type` WHERE `id` NOT IN (11,12,13,14,15) AND `id` <= 750 [ RunTime:0.000698s ]
SHOW FULL COLUMNS FROM `o_cart` [ RunTime:0.001448s ]
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SHOW FULL COLUMNS FROM `ad` [ RunTime:0.001377s ]
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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` = '63933739' LIMIT 1 [ RunTime:0.016659s ]
SHOW FULL COLUMNS FROM `stock_pra` [ RunTime:0.002359s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 63933739 [ RunTime:0.000533s ]
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SELECT * FROM `stock_price` WHERE `stockid` = 63933739 ORDER BY `minOrder` ASC [ RunTime:0.006887s ]
SHOW FULL COLUMNS FROM `stock_unitquantity` [ RunTime:0.001741s ]
SELECT * FROM `stock_unitquantity` WHERE `stockid` = 63933739 ORDER BY `unit` DESC [ RunTime:0.000297s ]
SHOW FULL COLUMNS FROM `stock_warehousequantity` [ RunTime:0.002974s ]
SELECT * FROM `stock_warehousequantity` WHERE `stockid` = 63933739 [ RunTime:0.000622s ]
SELECT `name` FROM `product_type` WHERE `id` = 0 LIMIT 1 [ RunTime:0.000300s ]
SELECT * FROM `stock_price` WHERE `stockid` = 63933739 ORDER BY `minOrder` ASC [ RunTime:0.000295s ]
CONNECT:[ UseTime:0.000827s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com_pdf;charset=utf8
select * from pdf where partno='PCF8574PWG4' and brandshort='Texas Instruments' limit 1 [ RunTime:0.000376s ]
SHOW FULL COLUMNS FROM `stock_product_overview` [ RunTime:0.002055s ]
SELECT `memo` FROM `stock_product_overview` WHERE `icName` = 'PCF8574PWG4' LIMIT 1 [ RunTime:0.000536s ]
SHOW FULL COLUMNS FROM `pdf` [ RunTime:0.002264s ]
SELECT `id`,`partno`,`note`,`note_cn` FROM `pdf` WHERE `partno` = 'PCF8574PWG4' LIMIT 1 [ RunTime:0.001528s ]
SHOW FULL COLUMNS FROM `stock_pra_lib` [ RunTime:0.001585s ]
SELECT `pra` FROM `stock_pra_lib` WHERE ( ( `partno` = 'PCF8574PWG4' OR `brand` LIKE 'Texas Instruments%' ) ) LIMIT 1 [ RunTime:0.000412s ]
SELECT `id` FROM `stock` WHERE `id` <> 63933739 AND `partno` = 'PCF8574PWG4' AND `lockUser` = 0 AND ( LOWER(brand) LIKE '%texas instruments%' ) [ RunTime:0.000383s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 19174287 [ RunTime:0.000333s ]
SELECT `note` FROM `stock` WHERE `id` = 19174287 LIMIT 1 [ RunTime:0.000597s ]
SELECT `description` FROM `stock` WHERE `id` = 19174287 LIMIT 1 [ RunTime:0.002497s ]
SHOW FULL COLUMNS FROM `icreplace` [ RunTime:0.001576s ]
SELECT `r`.*,`b`.`brandshort`,`b`.`brandcn` FROM `icreplace` `r` LEFT JOIN `stock_brand` `b` ON `b`.`id`=`r`.`icbrandid` WHERE `r`.`partno` = 'PCF8574PWG4' ORDER BY `r`.`id` DESC LIMIT 5 [ RunTime:0.000642s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `categoryid` = 0 AND ( `partno` > 'PCF8574PWG4' ) ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.008084s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `status` = 3 ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.000555s ]

0.285258s

PCF8574PWG4

购买数量

总价金额： ￥ 4919.2962

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PDF描述：REMOTE 8-BIT I/O EXPANDER FOR I2C BUS 远程8位I / O扩展器I2C总线

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总价金额：￥ 4919.2962