ds3102 Maxim Integrated Products, Inc., ds3102 Datasheet - Page 40

• Manufacturer Part Number: ds3102
• Description: Stratum 3 Timing Card Ic With Synchronous Ethernet Support
• Manufacturer: Maxim Integrated Products, Inc.

Table 7-9. Digital2 Frequencies
Table 7-10. APLL Frequency to Output Frequencies (T0 APLL and T4 APLL)
Note: All frequencies in MHz. Common telecom, datacom, and synchronization frequencies are in bold type.
Table 7-11. T0 APLL Frequency Configuration
Table 7-12. T0 APLL2 Frequency Configuration
Rev: 012108
____________________________________________________________________________________________ DS3102
FREQUENCY
FREQUENCY (MHz)
FREQUENCY (MHz)
SETTING
IN
DIG2AF
312.500
311.040
274.944
250.000
178.944
160.000
148.224
131.072
122.880
104.000
100.992
98.816
98.304
APLL
MCR6
1
1
1
1
0
0
0
0
0
0
0
0
T0 APLL2
T0 APLL
131.072
148.224
100.992
250.000
312.500
311.04
311.04
98.304
98.816
DIG2F[1:0]
SETTING
156.250
155.520
137.472
125.000
IN
APLL /
89.472
80.000
74.112
65.536
61.440
52.000
50.496
49.408
49.152
2
MCR7
00
10
00
01
00
01
10
11
00
01
10
11
FREQUENCY (MHz)
FREQUENCY(MHz)
APLL /
77.760
68.376
62.500
44.736
40.000
37.056
32.768
30.720
26.000
25.248
24.704
24.576
T0 APLL2 DFS
T0 APLL DFS
—
4
SETTING
IN
24.576
32.768
37.056
24.704
25.248
62.500
DIG2SS
77.76
77.76
62.5
MCR6
0
0
1
1
0
0
0
0
1
1
1
1
APLL /
62.500
62.208
50.000
24.576
20.800
32.00
—
—
—
—
—
—
—
5
FREQUENCY
APLL /
51.840
45.824
29.824
24.704
16.832
16.384
20.48
—
—
—
—
—
—
6
10.000
19.440
38.880
16.384
12.352
(MHz)
6.312
2.048
4.096
8.192
1.544
3.088
6.176
FREQUENCY MODE
OUTPUT JITTER
(pk-pk, ns, typ)
4 x 6312kHz
77.76MHz
77.76MHz
APLL /
38.880
34.368
31.250
22.368
20.000
18.528
16.384
15.360
13.000
12.624
12.352
12.288
GbE ÷ 16
T0 APLL
24 x DS1
16 x DS1
12 x E1
16 x E1
—
< 0.5
8
ns, typ)
JITTER
(pk-pk
APLL /
31.250
31.104
25.000
16.000
12.288
10.400
< 1
< 1
< 1
< 1
< 1
< 1
< 1
< 1
< 1
< 1
< 1
<1
10
—
—
—
—
—
—
—
APLL /
25.920
22.912
14.912
12.352
10.240
8.416
8.192
T0FREQ[2:0] SETTING
12
—
—
—
—
—
—
IN
APLL /
19.440
17.184
11.184
10.000
T0CR1
9.264
8.192
7.680
6.500
6.312
6.176
6.144
000
001
010
011
100
101
110
111
16
—
—
APLL /
15.552
12.500
8.000
6.144
5.200
20
—
—
—
—
—
—
—
—
OUTPUT JITTER
(pk-pk, ns, typ)
APLL /
6.480
5.728
3.728
3.088
2.560
2.104
2.048
48
—
—
—
—
—
—
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
40 of 141
APLL /
4.860
4.296
2.796
2.500
2.316
2.048
1.920
1.578
1.544
1.536
64
—
—
—