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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

MC74F21D

购买数量

总价金额：￥ 0

样品申购

详细描述：与门 IC 2 通道 14-SOIC

产品参数

产品属性	属性值
不同 V、最大 CL 时最大传播延迟	5.6ns @ 5V，50pF
供应商器件封装	14-SOIC
制造商	Motorola
包装	散装
基本产品编号	74F21
安装类型	表面贴装型
封装、外壳	14-SOIC（0.154"，3.90mm 宽）
工作温度	0°C ~ 70°C
特性	-
电压 - 供电	4.5V ~ 5.5V
电流 - 输出高、低	1mA，20mA
电流 - 静态（最大值）	6.4 mA
电路数	2
系列	-
输入数	4
逻辑电平 - 低	0.8V
逻辑电平 - 高	2V
逻辑类型	与门
零件状态	在售

PDF描述：DUAL 4-INPUT AND GATE FAST SCHOTTKY TTL 双4输入与门快速肖特基TTL

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SHOW FULL COLUMNS FROM `visit_log` [ RunTime:0.001105s ]
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SHOW FULL COLUMNS FROM `product_type` [ RunTime:0.001238s ]
SELECT `id`,`typeid`,`name`,`typestr` FROM `product_type` WHERE `id` NOT IN (11,12,13,14,15) AND `id` <= 750 [ RunTime:0.011230s ]
SHOW FULL COLUMNS FROM `o_cart` [ RunTime:0.002371s ]
SELECT COUNT(*) AS think_count FROM `o_cart` WHERE ( `userId` = 0 AND `visitIP` = '216.73.217.165' ) [ RunTime:0.009083s ]
SHOW FULL COLUMNS FROM `ad` [ RunTime:0.001991s ]
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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` = '19190610' LIMIT 1 [ RunTime:0.047849s ]
SHOW FULL COLUMNS FROM `stock_pra` [ RunTime:0.012811s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 19190610 [ RunTime:0.035762s ]
SHOW FULL COLUMNS FROM `stock_price` [ RunTime:0.002291s ]
SELECT * FROM `stock_price` WHERE `stockid` = 19190610 ORDER BY `minOrder` ASC [ RunTime:0.035135s ]
SHOW FULL COLUMNS FROM `stock_unitquantity` [ RunTime:0.050992s ]
SELECT * FROM `stock_unitquantity` WHERE `stockid` = 19190610 ORDER BY `unit` DESC [ RunTime:0.029327s ]
SHOW FULL COLUMNS FROM `stock_warehousequantity` [ RunTime:0.088274s ]
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SELECT `name` FROM `product_type` WHERE `id` = 0 LIMIT 1 [ RunTime:0.040914s ]
SELECT * FROM `stock_price` WHERE `stockid` = 19190610 ORDER BY `minOrder` ASC [ RunTime:0.021527s ]
SHOW FULL COLUMNS FROM `stock_product_overview` [ RunTime:0.003876s ]
SELECT `memo` FROM `stock_product_overview` WHERE `memo` LIKE '%MC74F21D%' LIMIT 1 [ RunTime:0.975386s ]
CONNECT:[ UseTime:0.000949s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com_pdf;charset=utf8
SHOW FULL COLUMNS FROM `pdf` [ RunTime:0.002281s ]
SELECT `id`,`partno`,`note`,`note_cn` FROM `pdf` WHERE `partno` = 'MC74F21D' LIMIT 1 [ RunTime:0.014898s ]
SHOW FULL COLUMNS FROM `icreplace` [ RunTime:0.003221s ]
SELECT `r`.*,`b`.`brandshort`,`b`.`brandcn` FROM `icreplace` `r` LEFT JOIN `stock_brand` `b` ON `b`.`id`=`r`.`icbrandid` WHERE `r`.`partno` = 'MC74F21D' ORDER BY `r`.`id` DESC LIMIT 5 [ RunTime:0.023964s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `categoryid` = 0 AND ( `partno` > 'MC74F21D' ) ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.048840s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `status` = 3 ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.005983s ]

1.767025s

MC74F21D

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