SI5374 Datasheet, PDF(9/69 Page) Silicon Laboratories – 4-PLL ANY-FREQUENCY PRECISION CLOCK MULTIPLIER/JITTER ATTENUATOR

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SI5374 Datasheet, PDF (9/69 Pages) Silicon Laboratories – 4-PLL ANY-FREQUENCY PRECISION CLOCK MULTIPLIER/JITTER ATTENUATOR

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Table 3. AC Characteristics (Continued)

(VDD = 1.8 Â± 5%, 2.5 Â±10%, TA = â40 to 85 Â°C)

Parameter

Output Duty Cycle

Uncertainty @

622.08 MHz

Symbol

Test Condition

Min

CKODC

100 ï Load

Line-to-Line

Measured at 50% Point

(differential)

LVCMOS Input Pins

Minimum Reset Pulse tRSTMN

Width

Reset to Microproces- tREADY

sor Access Ready

LVCMOS Output Pins

Rise/Fall Times

tRF

CLOAD = 20pf

See Figure 2

LOSn Trigger Window LOSTRIG From last CKINn ïï to ï¯

Internal detection of LOSn

N3 â 1

Time to Clear LOL

after LOS Cleared

tCLRLOL

ï¯LOS to ï¯LOL

Fold = Fnew

Stable OSC_P, OSC_N

reference

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.

Si5374

Typ

Max

Unit

Â±40

Âµs

4.5 x N3

TCKIN

Rev. 1.1

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