
Si5040
Rev. 1.3 9
Table 4. AC Characteristics—RD (Receiver Output)
(V
DD
= 1.8 V +5/–10%, T
A
= –40 to 95 C)
Parameter Symbol Test Condition Min Typ Max Unit
Common Mode AC
Output Voltage
—— 15mV
RMS
Output Rise and Fall Times
(RD)
t
R
,t
F
Figure 2 24 — — ps
Differential Output Return Loss SDD22 0.05–0.1 GHz 20 — — dB
0.1–5.5 GHz 8 — — dB
5.5–12 GHz * — — dB
Common Mode Output Return
Loss
SCC22 0.1–15 GHz 3 — — dB
Deterministic Jitter DJ
>4 MHz. See Appendix E1 in
the XFP specification.
— — 0.09 UI
PP
Total Jitter TJ — — 0.17 UI
PP
Eye Mask X1 See Figure 3. — 0.08 — UI
Eye Mask X2 See Figure 3. — 0.33 — UI
Eye Mask Y1 See Figure 3. 190 — — mV
Eye Mask Y2 See Figure 3. — — 385 mV
Jitter Transfer Bandwidth
(Programmable) cmuBand-
width[3:0] (Register 6, bits 7:4)
0100
J
BW
9.95 Gbps
—380760
kHz
*Note: Differential return loss given by equation SDD22 (dB) = 8 – 20.66 Log
10
(f/5.5), with f
in
GHz.
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