© 2014 Exar Corporation

XR81112

10 / 12

exar.com/XR81112

Rev 1A

Figure 9: XR81112 2.5V LVDS Output Termination

Output Signal Timing Definitions

The following diagrams clarify the common definitions of

the AC timing measurements.

Figure 10: Output Rise/Fall Time and Swing

Figure 11: Output Period and Duty Cycle

2.5V

2.5V

50

50

100

LVDS

Output

LVDS

Input

20%

80%

80%

20%

Q

nQ

Q

nQ

t

PW

t

PERIOD

odc =

x 100%

t

PW

t

PERIOD