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MM54HC191 Datasheet, National Semiconductor

MM54HC191 counters equivalent, synchronous binary up/down counters.

MM54HC191 Avg. rating / M : 1.0 rating-16

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MM54HC191 Datasheet

Features and benefits

Y Y Y Y Level changes on Enable or Down Up can be made regardless of the level of the clock input Wide power supply range 2
  – 6V Low quiescent supply cu.

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MM54HC191 Page 1 MM54HC191 Page 2 MM54HC191 Page 3

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