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Si5100
8
Rev. 1.5
Table 3. AC Characteristics (RXDIN, RXDOUT, RXCLK1, RXCLK2)
(VDD = 1.8 V ±5%, TA = –20to85°C)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Input Data Rate (RXDIN)
2.41
—
2.7
Gbps
Output Clock Frequency
(RXCLK1)
fclkout
MODE16 = 1
MODE16 = 0
—
155
622
167
675
MHz
Output Clock Frequency
(RXCLK2)
fclkout
MODE16 = 1, RXCLK2DIV =1
MODE16 = 1, RXCLK2DIV =0
MODE16 = 0, RXCLK2DIV =1
MODE16 = 0, RXCLK2DIV =0
—
155
38.9
622
155
169
42.2
675
169
MHz
Duty Cycle (RXCLK1,
RXCLK2)
45
—
55
%
Output Rise and Fall Times
(RXCLK1, RXCLK2, RXDOUT)
tR,tF
100
175
250
ps
Data Invalid Prior to RXCLK1
tcq1
—
200
ps
Data Invalid After RXCLK1
tcq2
—
200
ps
Input Return Loss (RXDIN)
SII
1.25 GHz
2.5 GHz
—
–12
–10
—
dB
LOS Threshold1,
SLICEMODE = 0
VLOS
LOSLVL = 0–350 mV
0
—
250
mV
LOS Threshold Error1,
SLICEMODE = 0
——
±30
%
LOS Threshold2,
SLICEMODE = 1
VLOS
LOSLVL = 0–500 mV
0
—
60
mV
LOS Threshold Error2,
SLICEMODE = 1
RXDIN > 30 mV
——
±50
%
Slice Voltage3,
SLICEMODE = 0
VLEVEL
SLICELVL = 350 mV
—
–50
—
mV
SLICELVL = 650 mV
—
40
—
mV
Slice Voltage as Percentage of
Differential Input Voltage Swing
(RXDIN), SLICEMODE = 14
VLEVEL
SLICELVL = 250 mV
—
–25
—
%
SLICELVL = 750 mV
—
18
—
%
Sample Phase5
PHASEADJ = 200 mV
—
–25
—
ps
PHASEADJ = 800 mV
—
25
—
ps
RXAMPMON Voltage Range
RXDIN = 0–1000 mVPPD
0—
550
mV
RXAMPMON Voltage Error
—
±50
%
Notes: