Figure 13 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. Table 38 lists the data values.

Vin (mv)

Bit Time

RCV Eye

(typical)

(minimum)

Figure 13. Receive eye diagram

Table 38: Eye diagram data values

 

 

Link rate

 

 

 

 

 

 

 

1 GHz

2 GHz

 

 

 

Bit time

941 ps

470 ps

 

 

 

XMIT eye

725 ps min.

315 ps min.

 

 

 

 

RCV eye

Typical

659 ps

305 ps

 

 

 

Minimum

395 ps

226 ps

 

 

 

 

 

NL35 Series FC Product Manual, Rev. D

69

Page 77
Image 77
Seagate ST3500071FC, ST3400071FC manual Eye diagram data values, Link rate GHz