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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

CD74HCT191M

数量

单价

总价

¥ 9.172696

10+

¥ 6.644007

¥ 66.44007

40+

¥ 5.730869

¥ 229.23476

120+

¥ 5.224057

¥ 626.88684

280+

¥ 4.926895

¥ 1379.5306

520+

¥ 4.750382

¥ 2470.19864

1000+

¥ 4.594364

¥ 4594.364

2520+

¥ 4.417355

¥ 11131.7346

5000+

¥ 4.312820

¥ 21564.1

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购买数量

总价金额：￥ 9.172696

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详细描述：计数器 IC 二进制计数器 1 个元件 4 钻头正边沿 16-SOIC

产品参数

产品属性	属性值
供应商器件封装	16-SOIC
元件数	1
制造商	Texas Instruments
包装	管件
基本产品编号	74HCT191
复位	-
安装类型	表面贴装型
定时	同步
封装、外壳	16-SOIC（0.154"，3.90mm 宽）
工作温度	-55°C ~ 125°C
方向	上，下
每个元件位数	4
电压 - 供电	4.5 V ~ 5.5 V
系列	74HCT
触发器类型	正边沿
计数速率	30 MHz
逻辑类型	二进制计数器
零件状态	在售

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 `stock_price` [ RunTime:0.005514s ]
SELECT * FROM `stock_price` WHERE `stockid` = 63862600 ORDER BY `minOrder` ASC [ RunTime:0.011045s ]
SHOW FULL COLUMNS FROM `stock_unitquantity` [ RunTime:0.003113s ]
SELECT * FROM `stock_unitquantity` WHERE `stockid` = 63862600 ORDER BY `unit` DESC [ RunTime:0.010820s ]
SHOW FULL COLUMNS FROM `stock_warehousequantity` [ RunTime:0.002359s ]
SELECT * FROM `stock_warehousequantity` WHERE `stockid` = 63862600 [ RunTime:0.001950s ]
SELECT `name` FROM `product_type` WHERE `id` = 0 LIMIT 1 [ RunTime:0.003448s ]
SELECT * FROM `stock_price` WHERE `stockid` = 63862600 ORDER BY `minOrder` ASC [ RunTime:0.003042s ]
CONNECT:[ UseTime:0.000659s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com_pdf;charset=utf8
select * from pdf where partno='CD74HCT191M' and brandshort='Texas Instruments' limit 1 [ RunTime:0.023226s ]
SHOW FULL COLUMNS FROM `stock_product_overview` [ RunTime:0.001500s ]
SELECT `memo` FROM `stock_product_overview` WHERE `icName` = 'CD74HCT191M' LIMIT 1 [ RunTime:0.011255s ]
SHOW FULL COLUMNS FROM `pdf` [ RunTime:0.001384s ]
SELECT `id`,`partno`,`note`,`note_cn` FROM `pdf` WHERE `partno` = 'CD74HCT191M' LIMIT 1 [ RunTime:0.006011s ]
SHOW FULL COLUMNS FROM `stock_pra_lib` [ RunTime:0.001706s ]
SELECT `pra` FROM `stock_pra_lib` WHERE ( ( `partno` = 'CD74HCT191M' OR `brand` LIKE 'Texas Instruments%' ) ) LIMIT 1 [ RunTime:0.001573s ]
SELECT `id` FROM `stock` WHERE `id` <> 63862600 AND `partno` = 'CD74HCT191M' AND `lockUser` = 0 AND ( LOWER(brand) LIKE '%texas instruments%' ) [ RunTime:0.004220s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 17107421 [ RunTime:0.008038s ]
SELECT `note` FROM `stock` WHERE `id` = 17107421 LIMIT 1 [ RunTime:0.009359s ]
SELECT `description` FROM `stock` WHERE `id` = 17107421 LIMIT 1 [ RunTime:0.000421s ]
SHOW FULL COLUMNS FROM `icreplace` [ RunTime:0.001121s ]
SELECT `r`.*,`b`.`brandshort`,`b`.`brandcn` FROM `icreplace` `r` LEFT JOIN `stock_brand` `b` ON `b`.`id`=`r`.`icbrandid` WHERE `r`.`partno` = 'CD74HCT191M' ORDER BY `r`.`id` DESC LIMIT 5 [ RunTime:0.000538s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `categoryid` = 0 AND ( `partno` > 'CD74HCT191M' ) ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.013401s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `status` = 3 ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.000669s ]

0.422058s

CD74HCT191M

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总价金额： ￥ 9.172696

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详细描述：计数器 IC 二进制计数器 1 个元件 4 钻头 正边沿 16-SOIC

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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：￥ 9.172696

详细描述：计数器 IC 二进制计数器 1 个元件 4 钻头正边沿 16-SOIC