MM74HC240
5000
DIP20/22+
原装现货,配单助手
MM74HC240
10000
DIP20/18+
只做原装正品,假一罚十,大量现货,特价销售
MM74HC240
52701
DIP20/22+
只做原装,专注海外现货订购20年
MM74HC240
18500
SOIC20W / TSSOP20/25+23+
原装渠道优势商全新进口深圳现货原盒原包
MM74HC240
53000
-/2025+
原装现货
MM74HC240
10000
DIP/22+
终端可以免费供样,支持BOM配单
MM74HC240
103
DIP20/0118+
-
MM74HC240
8000
22+/NA
-
MM74HC240
103
DIP20/0118+
原厂原装现货库存
MM74HC240
80000
DIP20/2023+
一级代理,原厂排单到货,可开原型号13%专用发票
MM74HC240
5000
SO 20L WB TSSOP 20L SOP 20L/25+
只做原装
MM74HC240
18000
-/-
原装 部分现货量大期货
MM74HC240AP
**进口原装现货**
-/-
-
MM74HC240J
9000
/2024+
原装现货,支持BOM配单
MM74HC240MTC
15600
TSSOP20/2026+
原装优势有货
MM74HC240MTC
4305
N/A/1309
原装正品热卖,价格优势
MM74HC240MTC
64000
NEW/NEW
一级代理保证
MM74HC240MTC
7300
20TSSOP/23+
原装现货
MM74HC240MTC
100500
TSSOP20/2519+
一级代理专营品牌原装,优势现货,长期排单到货
MM74HC240MTC
20000
NA/18+
原装正品
MM74HC240
Inverting Octal 3-STATE Buffer
FAIRCHILD
MM74HC240PDF下载
MM74HC240
Inverting Octal 3-STATE Buffer
FAIRCHILD [Fairchild Semiconductor]
MM74HC240PDF下载
MM74HC240N
Inverting Octal 3-STATE Buffer
FAIRCHILD
MM74HC240NPDF下载
MM74HC240N
74HC CMOS, 74HC240, DIP20, 6V; Logic...
Fairchild Semiconductor
MM74HC240NPDF下载
MM74HC240SJ
Fairchild Semiconductor [Inverting ...
FAIRCHILD
MM74HC240SJPDF下载
MM74HC240WM
Inverting Octal 3-STATE Buffer
FAIRCHILD
MM74HC240WMPDF下载
MM74HC240WM
Inverting Octal 3-STATE Buffer
FAIRCHILD [Fairchild Semiconductor]
MM74HC240WMPDF下载
MM74HC240_05
Fairchild Semiconductor [Inverting ...
FAIRCHILD
MM74HC240_05PDF下载
MM74HC240MTC
Inverting Octal 3-STATE Buffer
FAIRCHILD
MM74HC240MTCPDF下载
MM74HC240MTC
Inverting Octal 3-STATE Buffer
FAIRCHILD [Fairchild Semiconductor]
MM74HC240MTCPDF下载
单片机如果置p0口为1,那么对应脚的电压一般是多大啊?我用p0口接mm74hc240扩展驱动芯片的输入,mm74hc240的输出再去驱动led,但是发现p0口置1时候电压才1v,对于mm74hc240来说还是低电平,怎么才可以提高p0口的电压啊?我已经在p0口接上拉电阻了
我是p0口接mm74hc240然后接到led上面的。但是p0口的输出电压是1v,还是不够啊