SN74F251B

Name: SN74F251B
Brand: TI
SKU: SN74F251B
Price: 0.184 USD

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具有三态输出的 8 选 1 数据选择器/多路复用器

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数据表

document-pdfAcrobat 1-of-8 Data Selectors/Multiplexers With 3-State Outputs 数据表 (Rev. A) (英语)

SN74F251B

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数据表

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Technology family

F

Function

Digital Multiplexer

Configuration

8:1

Number of channels

1

Operating temperature range (°C)

0 to 70

Rating

Catalog

Technology family

F

Function

Digital Multiplexer

Configuration

8:1

Number of channels

1

Operating temperature range (°C)

0 to 70

Rating

Catalog

PDIP (N)

16

181.42 mm² 19.3 x 9.4

SOIC (D)

16

59.4 mm² 9.9 x 6

3-State Versions of SN54F151B and SN74F151B
3-State Outputs Interface Directly With System Bus
Performs Parallel-to-Serial Conversion
Complementary Outputs Provide True and Inverted Data
Package Options Include Plastic Small-Outline Packages, Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs

3-State Versions of SN54F151B and SN74F151B
3-State Outputs Interface Directly With System Bus
Performs Parallel-to-Serial Conversion
Complementary Outputs Provide True and Inverted Data
Package Options Include Plastic Small-Outline Packages, Ceramic Chip Carriers, and Standard Plastic and Ceramic 300-mil DIPs

These data selectors/multiplexers contain full binary decoding to select one of eight data sources and feature strobe-controlled complementary outputs. The 3-state outputs can interface with and drive data lines of bus-organized systems. When the strobe (G\) input is high, both outputs are in a high-impedance state in which both the upper and lower transistors of each totem-pole output are off, and the output neither drives nor loads the bus significantly.

The SN54F251B is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74F251B is characterized for operation from 0°C to 70°C.

D0, D1,...D7 = the level of the respective D input.

These data selectors/multiplexers contain full binary decoding to select one of eight data sources and feature strobe-controlled complementary outputs. The 3-state outputs can interface with and drive data lines of bus-organized systems. When the strobe (G\) input is high, both outputs are in a high-impedance state in which both the upper and lower transistors of each totem-pole output are off, and the output neither drives nor loads the bus significantly.

The SN54F251B is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74F251B is characterized for operation from 0°C to 70°C.

D0, D1,...D7 = the level of the respective D input.

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