S1M8831A Samsung Semiconductor, Inc., S1M8831A Datasheet - Page 28

• Manufacturer Part Number: S1M8831A
• Description: Fractional-n Rf/integer-n If Dual Pll Frequency Synthesizer
• Manufacturer: Samsung Semiconductor, Inc.

S1M8831A/33
Serial Data Input Timing
Phase Detector and Charge Pump Characteristics
Phase difference detection range: -2
When the positive-slope polarity of PFD is selected, IF_N[17] = HIGH or RF_N[13] = HIGH;
28
CLOCK
DATA
LE
CP
LD
f
f
p
o
r
MSB
DATA[23]
fr > fp
DATA[22]
t
to +2
DS
fr = fp
DATA[10]
fr < fp
t
DH
DATA[9]
fr < fp
t
CWL
FRACTIONAL-N RF/INTEGER-N IF DUAL PLL
CTL[1]
fr < fp
t
CWH
CTL[0]
t
CLE
LSB
t
LEW