Differential Pecl Input; Figure 17. Transmit Eye Diagram; Figure 18. Receive Eye Diagram - Seagate Barracuda ST136475FC Product Manual

Barracuda 36FC Product Manual, Rev. B
Figure 17 provides the data output valid eye diagram relative to the bit cell time.
Figure 17. Transmit eye diagram
9.6.4

Differential PECL input

The serial PECL input signal voltage characteristics are provided in Table 26.
Table 26: Differential PECL input characteristics
Description
Serial input voltage swing
Figure 18 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 18. Receive eye diagram
Parameter
200mV < V < 1300 mV
in
941 ps
659 ps
376 ps
941 ps
800 ps
Notes
AC coupled
Typical
Minimum
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