319282-007 Datasheet, PDF (545/586 Pages) Intel Corporation – 10 GbE Controller

Intel^® 82598 10 GbE Controller
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
Signal Fall Time
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
Symbol
Tco
Tr
Tf
Tckr₁
Tckr₂
Tckf₁
Tckf₂
Tsu
Thold
Tpwrz
Tpwrt
Vpwrt
Tpwre
Tclkstrt
Conditions
Cload  25 pF
Cload  50 pF
Cload 25 pF
Cload50 pF
Cload  50 pF
Min.
35
2.5
1
1
1
1
0.5
0.5
0.5
0.5
4
2
2
-200
Typ.
50
Max.
50+100 ppm
65
9
5
7
5
7
3.5
3.5
3.5
3.5
Units
MHz
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
uS
100
ns
200
mV
10
ms
100
ms
Reference Number: 319282-007
Revision Number: 3.2
October 2010
Intel^® 82598 10 GbE Controller
Datasheet
545