82598EB Datasheet, PDF (554/596 Pages) Intel Corporation – Intel® 82598EB 10 Gigabit Ethernet Controller Datasheet

Intel^® 82598EB 10 GbE Controller - NC-SI AC Specification
7.6.5 NC-SI AC Specification
Table 7-17. NC-SI AC Specification
Parameter
REF_CLK Frequency
REF_CLK Duty Cycle
Clock-to-out[1]
Signal Rise Time
Symbol
Tco
Tr
Signal Fall Time
Tf
Clock Rise Time 1
Clock Rise Time 2
Clock Fall Time 1
Clock Fall Time 2
TXD[1:0], TX_EN, RXD[1:0], CRS_DV,
RX_ER Data Setup to REF_CLK rising
edge
TXD[1:0], TX_EN, RXD[1:0], CRS_DV,
RX_ER data hold from REF_CLK rising
edge
Interface power-up High Impedance
Interval
Power Up transient interval
(recommendation)
Power Up transient level
(recommendation)
Interface power-up Output Enable
Interval
EXT_CLK Startup Interval
Tckr₁
Tckr₂
Tckf₁
Tckf₂
Tsu
Thold
Tpwrz
Tpwrt
Vpwrt
Tpwre
Tclkstrt
Conditions
Min.
35
2.5
Cload  25 pF
1
Cload  50 pF
1
Cload 25 pF
1
Cload50 pF
1
Cload  50 pF
0.5
0.5
0.5
0.5
4
2
2
-200
Typ.
Max.
Units
50
50+100 ppm
MHz
65
%
9
ns
5
ns
7
ns
5
ns
7
ns
3.5
ns
3.5
ns
3.5
ns
3.5
ns
ns
ns
uS
100
ns
200
mV
10
ms
100
ms
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