The CD4017BM CD4017BC is a 5-stage divide-by-10 Johnson counter with 10 decoded outputs and a carry out bit The CD4022BM CD4022BC is a 4-stage divide-by-8 Johnson counter with 8 decoded outputs and a carry-out bit These counters are cleared to their zero count by a logical ``1'' on their reset line These counters are advanced on the positive edge of the clock signal when the clock enable signal is in the logical ``0'' state The configuration of the CD4017BM CD4017BC and CD4022BM CD4022BC permits medium speed operation and assures a hazard free counting sequence The 10 8 decoded outputs are normally in the logical ``0'' state and go to the logical ``1'' state only at their respective time slot Each decoded output remains high for 1 full clock cycle The carry-out signal completes a full cycle for every 10 8 clock input cycles and is used as a ripple carry signal to any succeeding stages