產品詳細資料

Technology family ALS Function Digital Multiplexer Configuration 8:1 Number of channels 1 Operating temperature range (°C) 0 to 70 Rating Catalog
Technology family ALS 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 Version of the ´ALS151
  • 3-State Outputs Interface Directly With System Bus
  • Perform Parallel-to-Serial Conversion
  • Complementary Outputs Provide True and Inverted Data
  • Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs
  • 3-State Version of the ´ALS151
  • 3-State Outputs Interface Directly With System Bus
  • Perform Parallel-to-Serial Conversion
  • Complementary Outputs Provide True and Inverted Data
  • Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs

These data selectors/multiplexers contain full binary decoding to select one-of-eight data sources and feature controlled complementary 3-state outputs.

The 3-state outputs can interface with and drive data lines of bus-organized systems. With all but one of the common outputs disabled (at the high-impedance state), the low impedance of the signal-enabled output drives the bus line to a high or low logic level. Both outputs are controlled by the output-enable (OE\) input. The outputs are disabled when is high.

The SN54ALS251 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS251 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 controlled complementary 3-state outputs.

The 3-state outputs can interface with and drive data lines of bus-organized systems. With all but one of the common outputs disabled (at the high-impedance state), the low impedance of the signal-enabled output drives the bus line to a high or low logic level. Both outputs are controlled by the output-enable (OE\) input. The outputs are disabled when is high.

The SN54ALS251 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS251 is characterized for operation from 0°C to 70°C.

 

 

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

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類型 標題 日期
* Data sheet 1-of-8 Data Selectors/Multiplexers With 3-State Outputs datasheet (Rev. A) 1994年 12月 1日

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