PM4354 Datasheet, PDF (80/463 Pages) PMC-Sierra, Inc – Four Channel Combined E1/T1/J1 Transceiver/Framer

RELEASED
PM4354 COMET-QUAD
DATASHEET
PMC-1990315
ISSUE 6
Figure 24: - TJAT Jitter Transfer
0
FOUR CHANNEL COMBINED E1/T1/J1
TRANSCEIVER / FRAMER
-10
JITTER _-20
GAIN
dB _-30
62411
min
JAT
response
62411
max
43802
max
-40
-50
1
5.710
100
1k
10k
JITTER FREQUENCY
Hz
T1
In the non-attenuating mode, when the FIFO is within one UI of overrunning or under running, the
tracking range is 1.48 MHz to 1.608 MHz.
The guaranteed linear operating range for the jittered input clock is 1.544 MHz ± 200 Hz with
worst case jitter (61 UIpp), and maximum system clock frequency offset (± 100 ppm). The
nominal range is 1.544 MHz ± 963 Hz with no jitter or system clock frequency offset.
E1
In the non-attenuating mode, when the FIFO is within one UI of overrunning or under running, the
tracking range is 2.13 MHz to 1.97 MHz.
The guaranteed linear operating range for the jittered input clock is 2.048 MHz ± 300 Hz with
worst case jitter (61 UIpp), and maximum system clock frequency offset (± 100 ppm). The
nominal range is 2.048 MHz ± 1277 Hz with no jitter or system clock frequency offset.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC. AND FOR ITS CUSTOMERS’ INTERNAL USE
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