IC 74HC147 High Speed CMOS Logic 10-to 4-Line Priority Encoder 16-pin DIP

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High Speed CMOS Logic 10- to 4-Line Priority Encoder

Model CD74HC147E

The 'HC147 and CD74HCT147 are high speed silicon-gateCMOS devices and are pin-compatible with low powerSchottky TTL (LSTTL).The 'HC147 and CD74HCT147 9-input priority encodersaccept data from nine active LOW inputs (l1to l9) andprovide binary representation on the four active LOW inputs(Y0 toY3). A priority is assigned to each input so that whentwo or more inputs are simultaneously active, the input withthe highest priority is represented on the output, with inputline l9having the highest priority.These devices provide the 10-line to 4-line priority encodingfunction by use of the implied decimal "zero". The "zero" isencoded when all nine data inputs are HIGH, forcing all fouroutputs HIGH


  • Standard Outputs: 10LSTTL Loads
  • 2V to 6V Operation
  • High Noise Immunity
  • Package: DIP-16
  • Lead-free

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