-When using the 7490 IC, we have 2 ways of connecting to the circuit along the cycle count signal frequency, the 10 in the final output by 1/10 frequency pulse signal output format, but CK is different.+ 2x5: counting circuits connecting the outputs QA to input B, pulse counting CK connect input a.+ 5x2: counting Circuits connect the output with A gateway to the QB, pulse count input B connect with CK.-The table count for status 2 status on:
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