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DM74AS257M 数据表 (PDF) - Fairchild Semiconductor

DM74AS257M Datasheet PDF - Fairchild Semiconductor
部件名 DM74AS257M
下载  DM74AS257M 下载

文件大小   60.07 Kbytes
  6 Pages
制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor
功能描述 3-STATE Quad 1 of 2 Line Data Selector/Multiplexers

DM74AS257M Datasheet (PDF)

Go To PDF Page 下载 数据表
DM74AS257M Datasheet PDF - Fairchild Semiconductor

部件名 DM74AS257M
下载  DM74AS257M Click to download

文件大小   60.07 Kbytes
  6 Pages
制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor
功能描述 3-STATE Quad 1 of 2 Line Data Selector/Multiplexers

DM74AS257M 数据表 (HTML) - Fairchild Semiconductor

DM74AS257M Datasheet HTML 1Page - Fairchild Semiconductor DM74AS257M Datasheet HTML 2Page - Fairchild Semiconductor DM74AS257M Datasheet HTML 3Page - Fairchild Semiconductor DM74AS257M Datasheet HTML 4Page - Fairchild Semiconductor DM74AS257M Datasheet HTML 5Page - Fairchild Semiconductor DM74AS257M Datasheet HTML 6Page - Fairchild Semiconductor

DM74AS257M 产品详情

General Description
These data selectors/multiplexers contain inverters and drivers to supply full on-chip data selection to the four 3-STATE outputs that can interface directly with data lines of bus-organized systems. A 4-bit word selected from one of two sources is routed to the four outputs.
The DM74AS257 presents true data whereas the DM74AS258 presents inverted data to minimize propagation delay time. This 3-STATE output feature means that n-bit (paralleled) data selectors with up to 300 sources can be implemented for data buses. It also permits the use of standard TTL registers for data retention throughout the system.

Features
■ Switching specifications at 50pF
■ Switching specifications guaranteed over full
   temperature and VCC range
■ Advanced oxide-isolated, ion-implanted Schottky TTL process
■ Functionally and pin for pin compatible with Schottky,
   low power Schottky, and advanced low power
   Schottky TTL counterpart
■ Improved AC performance over Schottky, low power
   Schottky, and advanced low power Schottky
   counterparts
■ 3-STATE buffer-type output drive bus lines directly
■ Expand any data input point
■ Multiplex dual data buses
■ General four functions of two variables (one variable is common)
■ Source programmable counters




类似零件编号 - DM74AS257M

制造商部件名数据表功能描述
logo
Fairchild Semiconductor
DM74AS257M FAIRCHILD-DM74AS257M Datasheet
291Kb / 8P
   3-STATE Quad 1 of 2 Line Data Selector/Multiplexers
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类似说明 - DM74AS257M

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关于 Fairchild Semiconductor


Fairchild半导体是一家开创性的半导体公司,成立于1950年代后期。
该公司以其在第一个商业晶体管的开发方面的创新而闻名,以及对综合电路技术发展的贡献。
Fairchild成为电力半导体,模拟和混合信号综合电路以及其他半导体产品的领先供应商。
该公司是在2016年被ON半导体收购的,其产品和技术继续在ON半导体品牌下开发和出售。

*此信息仅供一般参考,对于因上述信息造成的任何损失或损害,我们概不负责。




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