SI5100 Datasheet, PDF (8/40 Pages) Silicon Laboratories – SiPHY™ OC-48/STM-16 SONET/SDH TRANSCEIVER

Si5100
Table 3. AC Characteristics (RXDIN, RXDOUT, RXCLK1, RXCLK2)
(V_DD = 1.8 V ±5%, T_A = –20 to 85 °C)
Parameter
Symbol
Test Condition
Min
Input Data Rate (RXDIN)
2.41
Output Clock Frequency
f_clkout
MODE16 = 1
—
(RXCLK1)
MODE16 = 0
—
Output Clock Frequency
(RXCLK2)
f_clkout MODE16 = 1, RXCLK2DIV = 1 —
MODE16 = 1, RXCLK2DIV = 0 —
MODE16 = 0, RXCLK2DIV = 1 —
MODE16 = 0, RXCLK2DIV = 0 —
Duty Cycle (RXCLK1,
RXCLK2)
tch/tcp, Figure 2
45
Output Rise and Fall Times
t_R,t_F
(RXCLK1, RXCLK2, RXDOUT)
Figure 3
100
Data Invalid Prior to RXCLK1
t_cq1
Figure 2
—
Data Invalid After RXCLK1
t_cq2
Figure 2
—
Input Return Loss (RXDIN)
S_II
≤ 1.25 GHz
—
2.5 GHz
—
LOS Threshold¹,
SLICEMODE = 0
V_LOS
LOSLVL = 0–350 mV
0
LOS Threshold Error¹,
—
SLICEMODE = 0
LOS Threshold²,
SLICEMODE = 1
V_LOS
LOSLVL = 0–500 mV
0
LOS Threshold Error²,
—
SLICEMODE = 1
RXDIN > 30 mV
Slice Voltage³,
SLICEMODE = 0
V_LEVEL
SLICELVL = 350 mV
—
SLICELVL = 650 mV
—
Slice Voltage as Percentage of V_LEVEL
SLICELVL = 250 mV
—
Differential Input Voltage Swing
(RXDIN), SLICEMODE = 1⁴
SLICELVL = 750 mV
—
Sample Phase⁵
PHASEADJ = 200 mV
—
PHASEADJ = 800 mV
—
RXAMPMON Voltage Range
RXAMPMON Voltage Error
RXDIN = 0–1000 mV_PPD
0
—
Notes:
1. See Figure 4 on page 16.
2. See Figure 5 on page 17.
3. See Figure 6 on page 17.
4. See Figure 7 on page 18.
5. See Figure 8 on page 18.
Typ
—
155
622
155
38.9
622
155
—
175
—
—
–12
–10
—
—
—
—
–50
40
–25
18
–25
25
—
—
Max Unit
2.7 Gbps
167 MHz
675
169 MHz
42.2
675
169
55
%
250
ps
200
ps
200
ps
—
dB
—
dB
250 mV
±30
%
60
mV
±50
%
—
mV
—
mV
—
%
—
%
—
ps
—
ps
550 mV
±50
%
8
Rev. 1.1