(ii). How many flip flop values are complemented in an 8 bit binary ripple counter to reach the next count value after (a) 11101111 (b) 01111111

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(ii). How many flip flop values are complemented in an 8 bit binary ripple counter to reach the
next count value after
(a) 11101111
(b) 01111111
(iii) for the CMOS logic family, the power consumption is proportional to the sum of the
changes from 1 to 0 and 0 to 1 on all gate inputs and outputs in the circuit. When designing
counters in very low power circuits, ripple counters are preferred over regular synchronous
binary counters. Carefully count the numbers of changing inputs and outputs, including those
related to the clock for a complete cycle of values in a 4-bit ripple counter versus a regular
synchronous counter of the same length. Based on this examination, explain why the ripple
counter is superior in terms of power consumption.
Transcribed Image Text:(ii). How many flip flop values are complemented in an 8 bit binary ripple counter to reach the next count value after (a) 11101111 (b) 01111111 (iii) for the CMOS logic family, the power consumption is proportional to the sum of the changes from 1 to 0 and 0 to 1 on all gate inputs and outputs in the circuit. When designing counters in very low power circuits, ripple counters are preferred over regular synchronous binary counters. Carefully count the numbers of changing inputs and outputs, including those related to the clock for a complete cycle of values in a 4-bit ripple counter versus a regular synchronous counter of the same length. Based on this examination, explain why the ripple counter is superior in terms of power consumption.
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