SI5100 Datasheet, PDF (9/40 Pages) Silicon Laboratories – SiPHY™ OC-48/STM-16 SONET/SDH TRANSCEIVER

Si5100
Table 4. AC Characteristics (TXCLK16OUT, TXCLK16IN, TXCLKOUT, TXDIN, TXDOUT)
(V_DD = 1.8 V ±5%, T_A = –20 to 85 °C)
Parameter
Symbol
Test Condition
Min Typ Max
TXCLKOUT Frequency
TXCLKOUT Duty Cycle
f_clkout
tch/tcp, Figure 2
2.41
—
2.7
40
50
60
Output Rise Time
t_R
(TXCLKOUT, TXDOUT)
Output Fall Time
t_F
(TXCLKOUT, TXDOUT)
TXCLKOUT to TXDOUT Delay
t_CD
Output Return Loss
Figure 3
Figure 3
Figure 2
100 kHz–2.5 GHz
2.5–4.0 GHz
—
50
75
—
50
75
–42
—
–22
—
–12
—
—
–10
—
TXCLK16OUT Frequency
f_CLKOUT
MODE16 = 1
MODE16 = 0
—
155
169
—
622
675
TXCLK16OUT Duty Cycle
tch/tcp, Figure 2
40
—
60
TXCLK16OUT Rise & Fall Times
TXDIN Setup to TXCLK16IN
TXDIN Hold from TXCLK16IN
TXCLK16IN Frequency
t_R, t_F
t_DSIN
t_DHIN
f_CLKIN
MODE16 = 1
MODE16 = 0
100
175
250
—
—
300
—
—
300
—
155
169
—
622
675
TXCLK16IN Duty Cycle
tch/tcp, Figure 2
40
—
60
TXCLK16IN Rise & Fall Times
t_R, t_F
100
—
300
Unit
GHz
%
ps
ps
ps
dB
dB
MHz
%
ps
ps
ps
MHz
%
ps
Rev. 1.1
9