ACS8520T Semtech, ACS8520T Datasheet - Page 38

• Manufacturer Part Number: ACS8520T
• Description: Synchronous Equipment Timing Source (SETS) for Stratum 3/4E/4 and SMC Systems
• Manufacturer: Semtech

Table 14 Output Frequency Selection (cont...)
Revision 3.02/October 2005 © Semtech Corp.
ADVANCED COMMUNICATIONS
Frequency (MHz, unless stated otherwise)
25.92
32.768
32.768
32.768
34.368
37.056
37.056
37.056
38.88
38.88
38.88
44.736
49.152 (TO4/TO5 only)
49.152 (TO4/TO5 only)
49.152 (TO6/TO7 only)
49.408 (TO4/TO5 only)
49.408 (TO4/TO5 only)
49.408 (TO6/TO7 only)
51.84
51.84
65.536 (TO4/TO5 only)
65.536 (TO4/TO5 only)
65.536 (TO6/TO7 only)
68.736
74.112 (TO4/TO5 only)
74.112 (TO4/TO5 only)
74.112 (TO6/TO7 only)
77.76
77.76
77.76
89.472 (TO4/TO5 only)
T0 DPLL Mode
77.76 MHz digital
16E1 mode
24DS1 mode
77.76 MHz analog
77.76 MHz digital
12E1 mode
16DS1 mode
77.76 MHz analog
77.76 MHz digital
16E1 mode
24DS1 mode
77.76 MHz analog
77.76 MHz digital
FINAL
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Page 38
T4 DPLL Mode
16E1 mode
E3 mode
24DS1 mode
77.76 MHz mode Select T4 DPLL
DS3 mode
12E1 mode
16DS1 mode
16E1 mode
E3 mode
24DS1 mode
77.76 MHz mode Select T4 DPLL
DS3 mode
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Select T4 DPLL
Select T0 DPLL 24DS1
T4 APLL Input Mux
Select T4 DPLL
Select T0 DPLL 16E1
Select T4 DPLL
Select T4 DPLL
Select T4 DPLL
Select T0 DPLL 12E1
Select T4 DPLL
Select T0 DPLL 16DS1
Select T4 DPLL
Select T0 DPLL 16E1
Select T4 DPLL
Select T4 DPLL
Select T0 DPLL 24DS1
Select T4 DPLL
ACS8520 SETS
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DATASHEET
www.semtech.com
Jitter Level (typ)
110
rms
250
400
220
120
110
110
110
500
250
900
200
150
760
400
220
250
120
110
110
110
110
(ps)
60
60
60
60
60
60
60
60
60
0.75
0.75
0.75
0.75
0.75
0.75
(ns)
0.6
1.6
2.0
1.2
1.0
0.6
0.6
0.6
1.0
2.3
1.5
4.5
1.2
1.0
2.6
0.6
0.6
2.0
1.2
1.6
1.0
0.6
0.6
0.6
1.0
p-p