PM5380-BI PMC-Sierra, Inc., PM5380-BI Datasheet - Page 424

• Manufacturer Part Number: PM5380-BI
• Description: Network Interface, SATURN User Network Interface (8x155) Telecom Standard Product
• Manufacturer: PMC-Sierra, Inc.

Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC- 2010299, Issue 2
19.1 System Reset Timing
19.2 OC-3 Interface Timing Characteristics
19
Symbol
F
T
T
DC
T
T
r
B
REFCLK
REF, RISE
REF, FALL
REF, JITTER
REF, JITTER
A.C. Timing Characteristics
T A = -40°C to T J =+125°C, V DDI = 2.5V ± 5%, V DD = 3.3V ± 8%, V AVD = 3.3V ± 5%,
Table 29 RSTB Timing (Figure 50)
Figure 50 RSTB Timing Diagram
Table 30 OC-3 Interface Timing
Note:
1.
2.
Symbol
tVRSTB
REF
30ps rms (Max) values has been mathematically derived from statistical results and board-level assumptions.
Above note is also applicable to the 5ps rms budget. For requirements of external APS set-up refer to PMC-
2020778. Also see Figure 58.
RSTB
Description
Required frequency for REFCLK_P and
REFCLK_N inputs (Bellcore spec for +/-
20ppm clock sources); all conditions
Rise time for REFCLK+ and REFCLK-
inputs; all conditions
Fall time for REFCLK+ and REFCLK-
inputs; all conditions
Duty Cycle for REFCLK+ and REFCLK-
inputs; all conditions
Jitter acceptable on REFCLK+/- inputs
(12KHz – 5MHz jitter band); all
conditions
(With External APS Links Disabled)
Jitter acceptable on REFCLK+/- inputs
(12KHz – 5MHz jitter band); all
conditions
(With External APS Links Enabled)
Bit rate for OC-3 compatible transmit
and receive data
Description
RSTB Pulse Width
S/UNI®-8x155 ASSP Telecom Standard Product Data Sheet
2
1
Min
-
-
45
-
-
-
tVrstb
tVrstb
Min
100
Typical
77.76
-
-
50
-
-
155.52 = 2 x
F
refclk
Max
—
Max
1
1
55
30
5
-
Units
ns
Released
Units
MHz
ns
ns
%
ps (rms)
ps (rms)
Mb/s
424