ACS8520T Semtech, ACS8520T Datasheet - Page 37

• 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)
12.288
12.352
12.352
12.352
12.352
12.352 via Digital1 (not TO7) or Digital2 (not TO6) 77.76 MHz Analog
12.352 via Digital1 (not TO7) or Digital2 (not TO6) Any digital feedback mode
16.384
16.384
16.384
16.384
16.384 via Digital1 (not TO7) or Digital2 (not TO6) 77.76 MHz Analog
16.384 via Digital1 (not TO7) or Digital2 (not TO6) Any digital feedback mode
16.469
17.184
18.528
18.528
18.528
19.44
19.44
19.44
21.845
22.368
24.576
24.576
24.576
24.704
24.704
24.704
24.704
25.92
T0 DPLL Mode
24DS1 mode
16DS1 mode
12E1 mode
16E1 mode
16DS1 mode
24DS1 mode
77.76 MHz analog
77.76 MHz digital
16E1 mode
12E1 mode
24DS1 mode
16DS1 mode
77.76 MHz analog
FINAL
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Page 37
T4 DPLL Mode
16DS1 mode
16E1 mode
E3 mode
24DS1 mode
77.76MHz mode Select T4 DPLL
DS3 mode
12E1 mode
16DS1 mode
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Select T4 DPLL
Select T0 DPLL 16DS1
Select T4 DPLL
Select T0 DPLL 24DS1
Select T4 DPLL
Select T0 DPLL 16DS1
T4 APLL Input Mux
Select T0 DPLL 12E1
Select T4 DPLL
Select T0 DPLL 16E1
Select T4 DPLL
Select T4 DPLL
Select T4 DPLL
Select T0 DPLL 12E1
ACS8520 SETS
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DATASHEET
www.semtech.com
Jitter Level (typ)
3800
3800
3800
3800
150
110
150
rms
250
110
760
200
900
250
400
220
760
120
110
110
250
110
900
500
250
110
760
200
(ps)
60
60
60
60
0.75
0.75
0.75
0.75
0.75
(ns)
1.5
2.6
1.2
1.0
4.5
1.6
2.0
1.2
2.6
1.0
0.6
0.6
0.6
1.6
1.0
4.5
2.3
1.5
2.6
1.2
1.0
0.6
p-p
13
18
13
18