Fujitsu MHV2120BH Product Manual page 82

Interface
Table 5.1 Physical Layer Electrical Requirements (2/3)
b) Transmitter Specifications
Z
diffTX,
TX Pair Differential
Impedance
Z
s-eTX,
TX Single-Ended
Impedance
c) Transmitted Signal Requirements
V
diffTX,
TX Differential
Output Voltage
t
20-80TX,
TX Rise/Fall Time
t
skewTX,
TX Differential Skew
TJ at Connector,
Data-Data, 5UI
DJ at Connector,
Data-Data, 5UI
TJ at Connector,
Data-Data, 250UI
DJ at Connector,
Data-Data, 250UI
5-8
Units Nom
Ohm
Ohm
Units Nom
mVppd 500
ps
(UI) (20-80%)
ps
UI
UI
UI
UI
Min Max
85 115
40
Min Max
400 600
0.15 0.41
(20-80%)
20
0.355
0.175
0.47
0.22
Comments
Comments
Differential
nominal measured
at Serial ATA
connector on
transmit side
(+/-250mV
differential@seria
l ATA connector)
Rise: 20%-80% at
transmitter
Fall: 80%-20% at
transmitter
C141-E224