CDC857 Datasheet, PDF (10/12 Pages) Texas Instruments – 2.5-/3.3-V PHASE-LOCK LOOP CLOCK DRIVERS

CDC857-2, CDC857-3
2.5-/3.3-V PHASE-LOCK LOOP CLOCK DRIVERS
SCAS627A – SEPTEMBER 1999 – DECEMBER 1999
PARAMETER MEASUREMENT INFORMATION
CLKIN
Yx or FBIN
tpd
Figure 5. Propagation Delay Time; t_PLH, t_PHL
Yx
Yx
tWH
NOTE A: Duty cycle = tWH/tc
tc
Figure 6. Output Duty Cycle
Yx
tc _(n)
tc _(n+1)
NOTE A: Cycle-to-cycle jitter = |tc(n) – tc(n+1)| over 2000 consecutive cycles.
Figure 7. Cycle-to-Cycle Jitter
10
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