ICS874003 Datasheet, PDF (8/12 Pages) Integrated Circuit Systems – PCI EXPRESS JITTER ATTENUATOR

Integrated
Circuit
Systems, Inc.
ICS874003
PCI EXPRESS
JITTER ATTENUATOR
LVDS DRIVER TERMINATION
A general LVDS inteface is shown in Figure 4. In a 100Ω
differential transmission line environment, LVDS drivers
require a matched load termination of 100Ω across near the
receiver input. For a multiple LVDS outputs buffer, if only par-
tial outputs are used, it is recommended to terminate the
unused outputs.
3.3V
LVDS_Driv er
3.3V
+
R1
100
-
100 Ohm Differiential Transmission Line
FIGURE 4. TYPICAL LVDS DRIVER TERMINATION
874003AG
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REV. A JANUARY 25, 2006