AC Timing Specifications
85
OC-3 Timing Specifications
The OC-3 interface timing is shown in Figure 17 and described in Table 42.
Figure 17 OC-3 Timing Diagram
Cycle 2
Cycle 3
Cycle 4
Cycle 5
Cycle 1
CPn_2
CPn_3
T
c3t
T
c3i
Cycle 1
Cycle 2
Cycle 3
Cycle 4
Cycle 5
CPn_0
CPn_1
T
c3r
T
c3d
CPn_4
CPn_5
T
c3s
T
c3h
T
c3s
T
c3h
Table 42 OC-3 Timing Description
SYMBOL PARAMETER
MIN
TYP
MAX
UNIT
ns
Tc3t
OC-3 Transmit Cycle Time
OC-3 Pulse Width
6.43
Tc3i
2.0
ns
Tc3r
OC-3 Receive Cycle Time* 6.0
ns
Tc3d
Tc3s
OC-3 Clock Duty Cycle
OC-3 Setup Time
OC-3 Hold Time
40
60
%
2.0
0.0
ns
Tc3h
155.52MHz
ns
*
03
FREESCALE [ Freescale ]
