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CD4022BM

National Semiconductor

Divide-by-8 Counter/Divider

CD4017BM CD4017BC Decade Counter Divider with 10 Decoded Outputs CD4022BM CD4022BC Divide-by-8 Counter Divider with 8 De...


National Semiconductor

CD4022BM

File Download Download CD4022BM Datasheet


Description
CD4017BM CD4017BC Decade Counter Divider with 10 Decoded Outputs CD4022BM CD4022BC Divide-by-8 Counter Divider with 8 Decoded Outputs March 1988 CD4017BM CD4017BC Decade Counter Divider with 10 Decoded Outputs CD4022BM CD4022BC Divide-by-8 Counter Divider with 8 Decoded Outputs General Description 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 Features Y Y Y Y Wide supply voltage range High noise immunity Low power TTL compatibility Medium speed operation Low power Fully static operation Y Y 3 0V to 15V 0 45 VDD (typ ) Fan out of 2 driving 74L or 1 driving 74LS 5 0 MHz (typ ) with 10V VDD 10 mW (typ ) Applications Y Y Y Y Y Y Automo...




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