MB88155 데이터 시트보기 (PDF) - Fujitsu

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MB88155

Spread Spectrum Clock Generator

Fujitsu 

MB88155

■ OUTPUT CLOCK DUTY CYCLE (tDCC, tDCR = tb/ta)

ta

tb

CKOUT,

REFOUT

■ INPUT FREQUENCY (fin = 1/tin)

tin

XIN

1.5 V

0.8 VDD

■ OUTPUT SLEW RATE (SRC, SRR)

CKOUT,

REFOUT

tr

tf

Note : SRC = (2.4 − 0.4) /tr, SRC = (2.4 − 0.4) /tf

SRR = (2.4 − 0.4) /tr, SRR = (2.4 − 0.4) /tf

■ CYCLE-CYCLE JITTER (tJC = |tn − tn + 1| )

2.4 V

0.4 V

CKOUT

tn

tn+1

Note : Cycle-cycle jitter indicates the difference between a certain cycle and the immediately

succeeding (or preceding) cycle.

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