Raha tsy voatanisa ny toerana misy anao dia safidio ny iray amin'ireto manaraka ireto:
ON Semiconductor
IC BINARY RIPPLE COUNTER 16TSSOP.
Texas Instruments
IC 4-BIT BINARY COUNTER 16-DIP.
IC 8-BIT BINARY COUNTER 16-DIP.
IC BINARY COUNTR 14BIT HS 16-DIP.
IC BCD DIVIDE-BY-N CNTR 16-DIP.
IC 14-STAGE BIN COUNTER 16-DIP.