Add Times for SN7483 Adder Circuits

SN7483 propagation delays

t?1 = 3 tgate

t?2 = t?3 = t?4 = 4 tgate

tC1 = tC2 = tC3 = tC4 = 3 tgate

SN7483-based Ripple-Carry Adder (n-bits)

tadd = (3m + 1) tgate

where m = ?n/4?.

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