FUJITSU MHW2120BS User Manual
Page 83
5.1 Physical Interface
Table 5.1 Physical Layer Electrical Requirements (3/3)
d) Receiver Specifications
Units
Nom
Min
Max
Comments
Z
diffRX,
RX Pair Differential
Impedance
Ohm
85
115
Z
s-eRX,
RX Single-Ended
Impedance
Ohm
40
e) OOB Specifications
Units
Nom
Min
Max
Comments
V
thresh,
OOB Signal Detection
Threshold
mVppd
100 50
200
UI
OOB,
UI During OOB Signaling
ps 666.67 646.67 686.67
COMINIT/COMRESET
and
COMWAKE
Transmit Burst Length
UI
OOB
160
COMINIT/COMRESET
Transmit Gap Length
UI
OOB
480
COMWAKE
Transmit Gap Length
UI
OOB
160
Units
May
detect
Shall
detect
Shall not
detect
Comments
COMWAKE
Gap Detection Windows
ns
55
≤ T
< 175
101.3
≤ T
< 112
T < 55 or
≥175
COMINIT/COMRESET
Gap Detection Windows
ns
175
≤ T
< 525
304
≤ T
< 336
T < 175 or
≥ 525
C141-E249
5-9