SI5110 Datasheet, PDF (8/26 Pages) Silicon Laboratories – SiPHY™ OC-48/STM-16 SONET/SDH TRANSCEIVER

Si5110
Table 4. AC Characteristics (TXCLK4OUT, TXCLK4IN, TXCLKOUT, TXDIN, TXDOUT)
(V_{DD =} 1.8 V ±5%, T_A = –40°C to 85°C)
Parameter
Symbol
Test Condition
Min
Typ
Max
TXCLKOUT Frequency
TXCLKOUT Duty Cycle
f_clkout
Figure 2
tch/tcp, Figure 2
—
2.5
2.7
45
—
55
Output Rise Time
t_R
(TXCLKOUT, TXDOUT)
Output Fall Time
t_F
(TXCLKOUT, TXDOUT)
TXCLKOUT Setup to TXDOUT
t_su
TXCLKOUT Hold From TXDOUT
t_hd
Output Return Loss
Figure 3
Figure 3
Figure 2
Figure 2
100 kHz–2.5 GHz
2.5 GHz–4.0 GHz
—
25
—
—
25
—
25
—
—
25
—
—
TBD
—
—
TBD
—
—
TXCLK4OUT Frequency
TXCLK4OUT Duty Cycle
f_CLKIN
tch/tcp, Figure 2
—
622
667
40
—
60
TXCLK4OUT Rise & Fall Times
TXDIN Setup to TXCLK4IN
TXDIN Hold from TXCLK4IN
TXCLK4IN Frequency
TXCLK4IN Duty Cycle
t_R,t_F
t_DSIN
t_DHIN
f_CLKIN
tch/tcp, Figure 2
100
—
300
—
—
300
—
—
300
—
622
667
40
—
60
TXCLK4IN Rise & Fall Times
t_R,t_F
100
—
300
Unit
GHz
%
ps
ps
ps
ps
dB
dB
MHz
%
ps
ps
ps
MHz
%
ps
8
Preliminary Rev. 0.41