Electrical Characteristics
326 Datasheet
6. Measured from 10% to 90% of the data signal.
7. Full-speed Data Rate has minimum of 11.97 Mb/s and maximum of 12.03 Mb/s.
8. Low-speed Data Rate has a minimum of 1.48 Mb/s and a maximum of 1.52 Mb/s.
NOTES:
1. 20% – 80% at transmitter
2. 80% – 20% at transmitter
3. As measured from 100 mV differential crosspoints of last and first edges of burst.
4. Operating data period during Out-Of-Band burst transmissions.
Table 8-27. SATA Interface Timings
Sym Parameter Min Max Units Notes Figure
UI Gen I Operating Data Period 666.43 670.23 ps
UI-2
Gen II Operating Data Period
(3Gb/s)
333.21 335.11 ps
UI-3
Gen III Operating Data Period
(6Gb/s)
166.6083 166.6667 ps
t120gen1 Rise Time 0.15 0.41 UI 1
t120gen2 Rise Time 0.2 0.41 UI 1
t120gen3 Rise Time 0.2 0.41 UI 1
t121gen1 Fall Time 0.15 0.41 UI 2
t121gen2 Fall Time 0.2 0.41 UI 2
t121gen3 Fall Time 0.2 0.41 UI 2
t122 TX differential skew — 20 ps
t123 COMRESET 310.4 329.6 ns 3
t124 COMWAKE transmit spacing 103.5 109.9 ns 3
t125 OOB Operating Data period 646.67 686.67 ns 4
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