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A digital signal that goes high and low at a specific frequency.

0 votes
0 answers
2k views

How to calculate bit time of any signal?

Given a data rate or clock rate, how to calculate bit time of any signal/interface? As per what I know, bit time = 1/data rate. Is it correct? … For an HDMI transmitter the specification calls for 0.15 · TBIT for a TMDS clock rate of 225 MHz, which translates to 66 ps maximum. …
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3 votes
3 answers
13k views

DDRx Memory: Memory Clock vs I/O Bus Clock?

As per: https://en.wikipedia.org/wiki/Double_data_rate DDR-200 - Memory Clock = 100 MHz, I/O Bus Clock = 100 MHz; DDR2-800 - Memory Clock = 200 MHz, I/O Bus Clock = 400 MHz; DDR3-1600 - Memory Clock = … 200 MHz, I/O Bus Clock = 800 MHz; DDR4-3200 - Memory Clock = 400 MHz, I/O Bus Clock = 1600 MHz Could someone please explain what is memory clock and I/O bus clock here? …
LoveEnigma's user avatar