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XRT71D04 Datasheet(PDF) 18 Page - Exar Corporation

Part No. XRT71D04
Description  4 CHANNEL E3/DS3/STS-1 JITTER ATTENUATOR, STS-1 TO DS3 DESYNCHRONIZER
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Maker  EXAR [Exar Corporation]
Homepage  http://www.exar.com
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XRT71D04 Datasheet(HTML) 18 Page - Exar Corporation

 
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XRT71D04
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4 CHANNEL E3/DS3/STS-1 JITTER ATTENUATOR, STS-1 TO DS3 DESYNCHRONIZER
REV. 1.1.1
17
2.0
OPERATING MODES
2.1
HARDWARE MODE
The HOST pin is used to select the operating mode of
the XRT71D04. In Hardware mode (connect this pin
to ground), the serial processor interface is disabled
and hard-wired pins are used to control configuration
and report status.
2.2
HOST MODE:
In Host mode (connect this pin to VDD), the serial
port interface pins are used to control configuration
and status report. In this mode, serial interface pins :
SDI, SDO,SCLK and CS are used.
A listing of these Command Registers, their Address-
es, and their bit-formats are listed below in Table 4.
TABLE 2: XRT71D04 MAXIMUM JITTER TOLERANCE
APPLICATION
DS3
E3
STS-1
FIFO SIZE
16
32
16
32
16
32
FREQ. (HZ)
UI (PEAK TO PEAK)UI (PEAK TO PEAK)UI (PEAK TO PEAK)
10
34.313
>64
26.689
53.313
20
21.439
43.188
18.564
37.438
30
18.314
36.813
16.689
33.938
40
16.939
34.313
16.064
32.688
50
16.314
33.188
15.689
32.063
60
16.064
32.563
15.564
31.689
80
15.689
31.814
15.314
31.314
100
15.439
31.439
15.314
31.189
125
15.439
31.314
15.189
31.064
150
15.314
31.189
15.189
31.064
200
15.314
31.064
15.189
30.939
300
15.189
30.939
15.064
30.939
500
15.189
30.939
15.064
30.939
>1000
15.0189
30.939
15.189
30.939
TABLE 3: FUNCTIONS OF DUAL MODE PINS IN
HARDWARE MODE CONFIGURATION
PIN #PIN NAME
FUNCTION, WHILE IN THE
HARDWARE MODE
25
DJA0/SCLK
DJA0
37
DJA2/(CS)DJA2
77
DJA1/(SDI)
DJA1


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