74163

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4-bit synchronous binary counter with load, reset, and ripple carry output

     +---+--+---+
/RST |1  +--+ 16| VCC
 CLK |2       15| RCO
  P0 |3       14| Q0
  P1 |4   74  13| Q1
  P2 |5  163  12| Q2
  P3 |6       11| Q3
 ENP |7       10| ENT
 GND |8        9| /LOAD
     +----------+