MAX4889 Maxim, MAX4889 Datasheet - Page 8

• Manufacturer Part Number: MAX4889
• Description: The MAX4888/MAX4889 high-speed passive switches route PCI Express® (PCIe) data between two possible destinations
• Manufacturer: Maxim

2.5Gbps PCI Express Passive Switches
Figure 2. Propagation Delay and Output Skew
8
_______________________________________________________________________________________
V
V
OUT+
V
OUT-
V
IN+
IN-
IN+
IN-
1.5V
1.5V
1.5V
1.5V
0V
0V
0V
0V
t
t
R
R
PHLY
PLHX
S
S
NO_+ OR
NO_- OR
NC_+
NC_-
50%
50%
50%
50%
MAX4888/MAX4889
3.3V
SEL
V+
t
t
PLHY
PHLX
COM_+
COM_-
Test Circuits/Timing Diagrams (continued)
50%
50%
50%
50%
R
R
L
L
OUT+
OUT-
t
INRISE
10%
t
OUTRISE
10%
RISE-TIME PROPAGATION DELAY = t
FALL-TIME PROPAGATION DELAY = t
t
t
SK1
SK2
90%
= DIFFERENCE IN PROPAGATION DELAY (RISE-FALL)
= | t
BETWEEN ANY TWO PAIRS
BETWEEN TWO LINES ON THE SAME PAIR
90%
PLHX
- t
PHLY
90%
| OR | t
90%
t
10%
PHLX
INFALL
t
OUTFALL
10%
- t
PLHY
PLHX
PHLX
OR t
|
OR t
PLHY
PHLY