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HD74LS257FPEL中文资料PDF规格书
HD74LS257FPEL规格书详情
This multiplexer features three-state outputs that can interface directly with and drive data lines of bus-organized systems. With all but one of the common outputs disabled (at a high-impedance state) the low impedance of the single enabled output will drive the bus line to a high or low logic level.
To minimize the possibility that two outputs will attempt to take a common bus to opposite logic levels, the output enable circuitry is designed such that the output disable times are shorter than the output enable times.
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
SOP |
1800 |
询价 | |||||
HITACHI |
DIP |
265209 |
假一罚十原包原标签常备现货! |
询价 | |||
HIT |
23+ |
DIP |
62657 |
##公司主营品牌长期供应100%原装现货可含税提供技术 |
询价 | ||
HITACHI/日立 |
9911+ |
SOP16 |
1651 |
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询价 | ||
HIT |
01+ |
DIP-16 |
12 |
原装现货海量库存欢迎咨询 |
询价 | ||
进口原装 |
23+ |
DIP |
1240 |
全新原装现货 |
询价 | ||
HITACHI |
22+ |
SOP16 |
6000 |
十年配单,只做原装 |
询价 | ||
HIT |
最新 |
8992 |
原装正品 现货供应 价格优 |
询价 | |||
HITACHI |
21+ |
DIP16 |
125 |
原装现货假一赔十 |
询价 | ||
HIT |
2020+ |
DIP |
2 |
百分百原装正品 真实公司现货库存 本公司只做原装 可 |
询价 |