ICS9214_07 Datasheet, PDF (13/16 Pages) Integrated Circuit Solution Inc – RambusTM XDRTM Clock Generator

Integrated
Circuit
Systems, Inc.
ICS9214
Power Sequencing
Supply voltages for the ICS9214 must be applied before, or at the same time and external input and output signals.
t_CYCLE,i
t_{J =} t_CYCLE,
Figure 5. Cycle-to-cycle Jitter
ODCLK_T
ODCLK_C
t_{4CYCLE, i}
t_{J =} t_{4CYCLE, i} - t_4CYCLE
Figure 6. Short-term Jitter
Cycle (i)
Cycle (i+1)
t_PW- (i)
t_CYCLE (i)
t_PW+ (i)
t_PW- (i+1)
t_CYCLE (i+1)
t_PW+ (i+1)
t_DC,ERR = t_PW+(i) - t_PW+(i+1) and t_PW-(i) - t_PW-(i+1)
Figure 7. Cycle-to-cycle Duty Cycle Error
0809F—11/05/07
f_NOM
(1-P_M,IN)*f_NOM
0.5/f_M,IN 1/f_M,IN
t
Figure 8. Input frequency Modulation
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