Seagate Barracuda 18FC ST118273FC, Руководство по эксплуатации продукта

Страница: 63 / 76

Barracuda 18FC Product Manual, Rev. B 53
Figure 15 provides the data output valid eye diagram relative to the bit cell time.
Figure 15. Transmit eye diagram
9.6.4 Differential PECL input
The serial PECL input signal voltage characteristics are provided in Table 25.
Figure 16 provides the data valid eye diagram for typical and minimum requirements to recover data at the
specified interface error rate. The inputs are AC coupled on the drive.
Figure 16. Receive eye diagram
Table 25: Differential PECL input characteristics
Description Parameter Notes
Serial input voltage swing 200 < V
in
< 1.300 mV AC coupled
941 ps
Vout (mv)
800 ps
941 ps
659 ps
Vin (mv)
Typical
Minimum
376 ps