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One of the criterions which are needed to consider when choosing the counter IC is the counting range required for your application. If you need a counter for a range below 10 and if your application needs a decoding outputs, then IC 4017 suits you better. If you need a counter with range of 10 to 15, and if decoding need not be done or if you can decode it using external circuit, IC 4520 may suit you well.
If you are working on any application like a Shadow Counter, etc which does not need to operate at high speeds, then you can use this circuit as it saves you power. But if you are using this circuit for any high speed applications like Speed Calculator Using Pulse Counter, then it is recommended to use a TTL counter than the CMOS ones. Counter generates clock pulses at the output.
If you are working on any application like a Shadow Counter, etc which does not need to operate at high speeds, then you can use this circuit as it saves you power. But if you are using this circuit for any high speed applications like Speed Calculator Using Pulse Counter, then it is recommended to use a TTL counter than the CMOS ones. Counter generates clock pulses at the output.
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