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S/UNI-QUAD
PMC-Sierra, Inc.
PM5349 S/UNI-QUAD
DATASHEET
PMC-971239 ISSUE 6 SATURN USER NETWORK INTERFACE (155-QUAD)
Proprietary and Confidential to PMC-Sierra, Inc., and for its Customers’ Internal Use
233
18
A.C. TIMING CHARACTERISTICS
(T
A
= -40°C to +85°C, V
DD
= 3.3V ±10%)
18.1
System Reset Timing
Table 17: RSTB Timing (Figure 26)
Symbol Description Min Max Units
tV
RSTB
RSTB Pulse Width 100 ns
Figure 26: RSTB Timing Diagram
RSTB
tV
RSTB
18.2
Reference Timing
Line Side Reference Clock
Symbol Description Min Max Units
REFCLK Nominal Frequency 19.44 19.44 MHz
REFCLK Duty Cycle 30 70 %
REFCLK Frequency Tolerance -50 +50 ppm