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  1. Bidirectional Counter - Up Down Binary Counter

  2. Up/Down Counter : Circuit, Working, IC74193 & Its Applications

  3. Down Counters and Up-Down Counters in Digital Electronics

  4. Synchronous, Asynchronous, up, down & Johnson ring …

  5. Design asynchronous Up/Down counter - GeeksforGeeks

  6. 3-Bit & 4-bit Up/Down Synchronous Counter - YouTube

  7. Synchronous 3 bit Up/Down counter - GeeksforGeeks

  8. Up/Down Counter: Circuit, Working, and 74193 IC Details

  9. Up/Down Counter: Working, Circuit, IC74193 Pin Out & Its …

  10. 3 Bit Asynchronous Up Down Counter | Sequential Logic Circuit - YouTube