
Interface
Table 5.1 | Physical Layer Electrical Requirements (2/3) |
| |||||
b) Transmitter Specifications |
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
| Units | Nom | Min | Max |
| Comments |
|
|
|
|
|
|
|
|
ZdiffTX, |
| Ohm |
| 85 | 115 |
|
|
TX Pair Differential |
|
|
|
| |||
Impedance |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Ohm |
| 40 |
|
|
| |
TX |
|
|
|
|
| ||
Impedance |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
c) Transmitted Signal Requirements |
|
|
|
|
| ||
|
|
|
|
|
|
| |
|
| Units | Nom | Min | Max |
| Comments |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Differential |
|
|
|
|
|
|
| nominal measured |
VdiffTX, |
|
|
|
|
|
| at Serial ATA |
| mVppd | 500 | 400 | 600 |
| connector on | |
TX Differential |
|
| transmit side | ||||
Output Voltage |
|
|
|
|
|
| |
|
|
|
|
|
| ||
|
|
|
|
|
|
| |
|
|
|
|
|
|
| differential@seria |
|
|
|
|
|
|
| l ATA connector) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Rise: |
| ps |
| 0.15 | 0.41 |
| transmitter | |
|
|
|
| ||||
TX Rise/Fall Time |
| (UI) |
|
| Fall: | ||
|
|
|
|
|
|
| transmitter |
|
|
|
|
|
|
|
|
tskewTX, |
| ps |
|
| 20 |
|
|
TX Differential Skew |
|
|
|
|
|
|
|
TJ at Connector, |
| UI |
|
| 0.355 |
|
|
|
|
|
|
| |||
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
DJ at Connector, |
| UI |
|
| 0.175 |
|
|
|
|
|
|
| |||
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
TJ at Connector, |
| UI |
|
| 0.47 |
|
|
|
|
|
|
| |||
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
DJ at Connector, |
| UI |
|
| 0.22 |
|
|
|
|
|
|
| |||
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|