ACS8520T Semtech, ACS8520T Datasheet - Page 36

• 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)
3.728
4.096
4.096
4.296
4.86
5.728
6.144
6.144
6.144
6.176
6.176
6.176
6.176
6.176
6.48
6.48
6.48
8.192
8.192
8.192
8.192
8.192
8.192
8.235
9.264
9.264
9.264
10.923
11.184
12.288
12.288
via Digital1 (not TO7) or Digital2 (not TO6) 77.76 MHz Analog
via Digital1 (not TO7) or Digital2 (not TO6) Any digital feedback mode
(not TO4/TO5)
(not TO4/TO5)
via Digital1 (not TO7) or Digital2 (not TO6) 77.76 MHz Analog
via Digital1 (not TO7) or Digital2 (not TO6) Any digital feedback mode
(not TO6)
(not TO6)
via Digital1 (not TO7) or Digital2 (not TO6) 77.76 MHz Analog
via Digital1 (not TO7) or Digital2 (not TO6) Any digital feedback mode
T0 DPLL Mode
12E1 mode
16DS1 mode
77.76 MHz analog
77.76 MHz digital
12E1 mode
16E1 mode
16DS1 mode
24DS1 mode
16E1 mode
12E1 mode
FINAL
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Page 36
T4 DPLL Mode
DS3 mode
E3 mode
77.76 MHz mode Select T4 DPLL
E3 mode
12E1 mode
16DS1 mode
77.76 MHz mode Select T4 DPLL
16E1 mode
24DS1 mode
DS3 mode
12E1 mode
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T4 APLL Input Mux
Select T4 DPLL
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 T0 DPLL 24DS1
Select T4 DPLL
Select T4 DPLL
ACS8520 SETS
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DATASHEET
www.semtech.com
Jitter Level (typ)
3800
3800
3800
3800
3800
3800
rms
110
120
120
900
500
250
760
200
150
900
250
400
220
760
110
110
110
250
110
900
500
(ps)
60
60
60
60
0.75
0.75
0.75
(ns)
1.0
1.0
0.6
1.0
4.5
2.3
1.5
2.6
1.2
1.0
0.6
0.6
0.6
4.5
1.6
2.0
1.2
2.6
1.6
1.0
4.5
2.3
p-p
13
18
13
18
13
18