Released
PMC-Sierra, Inc.
PM9311/2/3/5 ETT1™ CHIP SET
Data Sheet
PMC-2000164
ISSUE 3
ENHANCED TT1™ SWITCH FABRIC
Figure 83. AIB Test Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315
Figure 84. Setup and Hold for 2.5V 200 Mbps PECL (CLK & SOC Signals) . . . . . . . . . . . . . . . . . . . . 316
Figure 85. Clock Period and Duty Cycle for 2.5V 200 Mbps PECL (CLK Signal) . . . . . . . . . . . . . . . . . 316
Figure 86. Example Noise Isolation Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Figure 87. Example Voltage Divider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325
Figure 88. Voltage Ramp-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326
Figure 89. The Time Available to the Linecard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328
Figure 90. Cells are Striped Across the 12 Physical Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329
Figure 91. The 10-bit Data Paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
Figure 92. Initial Sequence Expected at Port Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
Figure 93. Cells May Be Skewed Between Dataslices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
Figure 94. The Idle Counter Can Delay an Outbound Cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337
Figure 95. The Idle Counter Can Delay an Outbound Cell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337
Figure 96. One-deep Queue for Outbound Requests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
ix
PMC [ PMC-SIERRA, INC ]
