VITESSE
SEMICONDUCTOR CORPORATION
2.488Gb/s SONET/SDH
Advance Product Information
STS-48/STM-16 Section Terminator
VSC8151
Figure 14: Serial Data Output Timing Diagram
TTXSCLKIN
TXSCLKIN+
TXSCLKIN-
TTXSOUT
TXSOUT+
TXSOUT-
Table 13: Serial Data Output Timing
Parameter
Description
Serial Receive clock period
Min
Typ
Max
Units
TTXSCLKIN
401.9
—
—
ps
Propagation delay from rising edge of TXSCLKIN+/- to
output edge of TXSOUT+/-
TTXSOUT
430
—
630
ps
Figure 15: Serial Data Output Timing Skew
TTXSCLKOUT
TXSCLKOUT+
-T
+T
SKW
SKW
TXSOUT+
TXSOUT-
Table 14: Serial Data Output Skew
Parameter
Description
Serial transmit clock period
Min
Typ
Max
Units
TTXSCLKOUT
401.9
—
—
ps
Propagation delay from falling edge of TXSCLKOUT+
to output edge of TXSOUT+/-
TTSKW
—
—
100
ps
Page 18
VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
G52225-0, Rev. 2.9
12/1/99
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
