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CDC5801ADBQ Datasheet, PDF (11/18 Pages) Texas Instruments – LOW JITTER CLOCK MULTIPLIER AND DIVIDER WITH PROGRAMMABLE DELAY | |||
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CDC5801A
LOW JITTER CLOCK MULTIPLIER AND DIVIDER WITH
PROGRAMMABLE DELAY AND PHASE ALIGNMENT
SCAS813A â AUGUST 2005 â REVISED DECEMBER 2005
PARAMETER MEASUREMENT INFORMATION
CLKOUTB
CLKOUT
tcycle,i
tcycle,i+1
Cycle-to-Cycle Jitter = | tcycle,i â tcycle,i+r| Over 1000 Consecutive Cycles
Figure 2. Cycle-to-Cycle Jitter
CLKOUT
CLKOUTB
tpw+
tcycle
Duty Cycle = (tpw+/tcycle)
Figure 3. Output Duty Cycle
CLKOUT
CLKOUTB
Figure 4. Crossing-Point Voltage
VX+
VX, nom
VXâ
80%
20%
tr
VOH
VOL
tf
Figure 5. Voltage Waveforms
PWRDNB
ÃÃÃÃÃÃÃ CLKOUT/
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃ CLKOUTB
t(power up)
Figure 6. PWRDNB Transition Timings
ÃÃÃÃÃÃt(power down)
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