48
Cheetah 4LP FC Product Manual, Rev. A
9.6.4
Differential PECL input
The serial PECL input signal voltage characteristics are provided in Table 22.
Figure 16 provides the data valid eye diagram for typical and minimum requirements to recover data at the
specified interface error rate.
Figure 16.
Receive eye diagram
Table 22:
Differential PECL input characteristics
Description
Parameter
Notes
Serial input voltage swing
200 < V
in
< 1.300 mV
AC coupled
941 ps
659 ps
Vin (mv)
Typical
Minimum
376 ps
