Electrical characteristics
This figure shows the reference clock timing waveform.
TH
Ref_CLK
TL
Figure 45. Reference clock timing waveform
3.19.8.3 AC transmitter output characteristics
This table provides the differential transmitter output AC characteristics for the SATA
interface at Gen1i/1m or 1.5 Gbits/s transmission. The AC timing specifications do not
include RefClk jitter.
Table 95. Gen1i/1m 1.5 G transmitter AC specifications2
Parameter
Symbol
Min
Typ
Max
Channel speed
Unit Interval
Total jitter data-data 5 UI
Total jitter, data-data 250 UI
Deterministic jitter, data-data 5 UI
Deterministic jitter, data-data 250 UI
Notes:
tCH_SPEED
TUI
USATA_TXTJ5UI
USATA_TXTJ250UI
USATA_TXDJ5UI
USATA_TXDJ250UI
-
666.4333
-
-
-
-
1.5
666.6667
-
-
-
-
-
670.2333
0.355
0.47
0.175
0.22
1. Measured at transmitter output pins peak to peak phase variation, random data pattern
2. For recommended operating conditions, see Table 3.
Units
Gbps
ps
UI p-p
UI p-p
UI p-p
UI p-p
Notes
-
-
1
1
1
1
This table provides the differential transmitter output AC characteristics for the SATA
interface at Gen2i/2m or 3.0 Gbits/s transmission. The AC timing specifications do not
include RefClk jitter.
QorIQ T2080 Data Sheet, Rev. 3, 03/2018
132
NXP Semiconductors