PM5316 Datasheet, PDF (478/491 Pages) PMC-Sierra, Inc – Quad Channel 155 Mbit/s SONET/SDH Framer and Aligner

SONET/SDH Payload Extractor/Aligner (SPECTRA-4x155)
Production
Figure 56 Receive Tandem Connection Input Timing.
RPOHCLK
RTCEN
RTCOH
tS_RTCEN
tH _RTCEN
tS_RTCOH
tH _RTCOH
18.3 Telecom Drop Bus Timing
Table 39 Telecom Drop Bus Input Timing
Symbol
tS_DFP
tH_DFP
Parameter
DCK Freq. (Nominally 19.44MHz)
DCK Freq. (Nominally 77.76 MHz)
DCK Duty Cycle
DFP Set-up Time
DFP Hold Time
Figure 57 Telecom Drop Bus Input Timing
DCK
DFP
tS _DFP
tH _DFP
Min Max
20
60 80
40 60
3
0
Units
MHz
MHz
%
ns
ns
Proprietary and Confidential to PMC-Sierra, Inc. and for its customers’ internal use
459
Document ID: PMC-1990822, Issue 4