SN74F257

Name: SN74F257
Brand: TI
SKU: SN74F257
Price: 0.184 USD

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具有三态输出的四通道 2 线至 1 线数据选择器/多路复用器

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数据表

document-pdfAcrobat Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs 数据表 (Rev. A) (英语)

SN74F257

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数据表

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米6体育平台手机版_好二三四详情

Technology family

Function

Digital Multiplexer

Configuration

2:1

Number of channels

Operating temperature range (°C)

0 to 70

Rating

Catalog

Technology family

Function

Digital Multiplexer

Configuration

2:1

Number of channels

Operating temperature range (°C)

0 to 70

Rating

Catalog

PDIP (N)

181.42 mm² 19.3 x 9.4

SOIC (D)

59.4 mm² 9.9 x 6

SOP (NS)

79.56 mm² 10.2 x 7.8

3-State Outputs Interface Directly With System Bus
Provides Bus Interface From Multiple Sources in High-Performance Systems
Package Options Include Plastic Small-Outline Packages, Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs

3-State Outputs Interface Directly With System Bus
Provides Bus Interface From Multiple Sources in High-Performance Systems
Package Options Include Plastic Small-Outline Packages, Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs

The ´F257 is designed to multiplex signals from 4-bit data sources to 4-output data lines in bus-organized systems. The 3-state outputs will not load the data lines when the output enable () input is at a high logic level.

The SN54F257 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74F257 is characterized for operation from 0°C to 70°C.