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SI5375 Datasheet, PDF (9/54 Pages) Silicon Laboratories – 4-PLL ANY-FREQUENCY PRECISION CLOCK MULTIPLIER/JITTER ATTENUATOR | |||
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Table 3. AC Characteristics (Continued)
(VDD = 1.8 ± 5%, 2.5 ±10%, TA = â40 to 85 °C)
Parameter
Output Duty Cycle
Uncertainty @
622.08 MHz
Symbol
Test Condition
Min
100 ï Load
CKODC
Line-to-Line
Measured at 50% Point
â
(differential)
LVCMOS Input Pins
Minimum Reset Pulse
Width
tRSTMN
1
Reset to Microproces-
sor Access Ready
tREADY
â
LVCMOS Output Pins
Rise/Fall Times
tRF
CLOAD = 20pf
See Figure 2
â
From last CKINn ïï to ï¯
LOSn Trigger Window LOSTRIG Internal detection of LOSn
â
N3 â 1
Time to Clear LOL
after LOS Cleared
ï¯LOS to ï¯LOL
tCLRLOL
Fold = Fnew
Stable OSC_P, OSC_N
â
reference
Device Skew2
Phase Change due to
Temperature Variation
tTEMP
Max phase changes from
â40 to +85 °C
â
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
â
±40
ps
â
â
µs
â
10
ms
25
â
ns
â
4.5 x N3 TCKIN
10
â
ms
300
500
ps
Rev. 1.0
9
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