Differential Pecl Input; Figure 15. Transmit Eye Diagram; Figure 16. Receive Eye Diagram - Seagate ST118273FC Product Manual

Barracuda 18FC Product Manual, Rev. B
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.
Table 25: Differential PECL input characteristics
Description
Serial input voltage swing
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
Parameter Notes
200 < V < 1.300 mV AC coupled
in
941 ps
659 ps
376 ps
941 ps
800 ps
Typical
Minimum
53