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SI5375 Datasheet, PDF (9/54 Pages) Silicon Laboratories – 4-PLL ANY-FREQUENCY PRECISION CLOCK MULTIPLIER/JITTER ATTENUATOR
Table 3. AC Characteristics (Continued)
(VDD = 1.8 ± 5%, 2.5 ±10%, TA = –40 to 85 °C)
Parameter
Output Duty Cycle
Uncertainty @
622.08 MHz
Symbol
Test Condition
Min
100  Load
CKODC
Line-to-Line
Measured at 50% Point
—
(differential)
LVCMOS Input Pins
Minimum Reset Pulse
Width
tRSTMN
1
Reset to Microproces-
sor Access Ready
tREADY
—
LVCMOS Output Pins
Rise/Fall Times
tRF
CLOAD = 20pf
See Figure 2
—
From last CKINn to 
LOSn Trigger Window LOSTRIG Internal detection of LOSn
—
N3 ≠ 1
Time to Clear LOL
after LOS Cleared
LOS to LOL
tCLRLOL
Fold = Fnew
Stable OSC_P, OSC_N
—
reference
Device Skew2
Phase Change due to
Temperature Variation
tTEMP
Max phase changes from
–40 to +85 °C
—
Notes:
1. A crystal may not be used in place of an oscillator.
2. Input to output skew after an ICAL is not controlled and can be any value.
Si5375
Typ
Max
Unit
—
±40
ps
—
—
µs
—
10
ms
25
—
ns
—
4.5 x N3 TCKIN
10
—
ms
300
500
ps
Rev. 1.0
9