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HD74HC149 Dataheets PDF



Part Number HD74HC149
Manufacturers Renesas
Logo Renesas
Description 8-to-8-line Priority Encoder
Datasheet HD74HC149 DatasheetHD74HC149 Datasheet (PDF)

HD74HC149 8-to-8-line Priority Encoder REJ03D0574-0200 (Previous ADE-205-448) Rev.2.00 Oct 11, 2005 Description The HD74HC149 is priority encoder which has 8 input lines (0 - 7) and 8 output lies (Y0 - Y7). It is the logical combination of a HD74HC148 8-3 line priority encoder driving a HD74HC138 3-8 line decoder. Only one request output can be low at a time. The output that is low is dependent on the highest priority request that is low. The order of priority is 7 highest and 0 lowest. When E .

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