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SN54ALS857,SN74ALS857,PDF(Hex

  • 资源大小:244
  • 上传时间:2022-01-07
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  • 标      签: Multiplexe

资 源 简 介

The ´ALS857 are hextuple 2-line to 1-line mulTIplexers with 3-state outputs. The devices can provide either true (COMP low) or inverted (COMP high) data at the Y outputs. In addiTIon, the ´ALS857 perform the logical AND funcTIon (A x95 B) and the clear funcTIon as well. The four modes of operation are: Select A-data inputs Select B-data inputs AND A inputs with B inputs Clear In either of the first two modes, OPER = 0 is high if all the selected A or B inputs are low. The six Y outputs and the OPER = 0 output are all 3-state and rated at 12-mA and 24-mA IOL for the SN54ALS857 and SN74ALS857, respectively. All outputs can be placed in the high-impedance state by applying a high level to the COMP, S0, and S1 inputs simultaneously.
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