Shift Registers

Q1: With a 200 kHz clock frequency, eight bits can be serially entered into a shift register in ________.

A 400 μs

B 40 μs

C 40 ms

D 4 μs

ANS:B - 40 μs

Freq = 200 KHZ.
T = 1/200 KHZ = 0.5 micro-sec.
For 8 bits serial in 8 clock cycles.

So, Total time = 8*T = 8*0.5 micro-sec = 40 micro-sec.



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