ACS8522AT View Datasheet(PDF) - Semtech Corporation

Part Name

Description

MFG CO.

ACS8522AT

Synchronous Equipment Timing Source for Stratum 3/4E/4 and SMC Systems

Semtech Corporation 

ACS8522A SETS LITE

ADVANCED COMMS & SENSING

Table 12 Output Frequency Selection (cont...)

FINAL

Frequency (MHz, unless stated otherwise)

T0 DPLL Mode

T4 DPLL Mode

2.048 via Digital1, or Digital2 (not O1)

2.059

2.059

2.059 (not O1)

2.316 (not O4)

2.316 (not O4)

2.731

2.731

2.731 (not O1)

2.796 (not O4)

3.088

3.088

3.088 (not O1)

3.088 via Digital1, or Digital2 (not O1)

3.088 via Digital1, or Digital2 (not O1)

3.728

4.096 via Digital1, or Digital2 (not O1)

4.096 via Digital1, or Digital2 (not O1)

4.296 (not O4)

4.86 (not O4)

5.728

6.144

6.144

6.144

6.176

6.176

6.176

Any digital feedback

mode

-

-

-

16DS1 mode

-

16DS1 mode

-

-

-

24DS1 mode

-

-

-

16E1 mode

-

-

-

16E1 mode

-

-

DS3 mode

24DS1 mode

-

24DS1 mode

77.76 MHz Analog

Any digital feedback

mode

-

77.76 MHz Analog

Any digital feedback

mode

-

-

-

12E1 mode

-

-

16DS1 mode

-

-

-

-

-

DS3 mode

-

-

E3 mode

77.76 MHz mode

E3 mode

-

12E1 mode

-

-

16DS1 mode

-

DATASHEET

T4 APLL Input Mux

-

Jitter Level (typ)

rms pk-pk

(ps) (ns)

3800 18

Select T4 DPLL

200 1.2

Select T0 DPLL

16DS1

150 1.0

-

760 2.6

Select T4 DPLL

110 0.75

Select T0 DPLL

24DS1

110 0.75

Select T4 DPLL

400 1.5

Select T0 DPLL 16E1 220 1.2

-

250 1.6

Select T4 DPLL

110 1.0

Select T4 DPLL

110 0.75

Select T0 DPLL

24DS1

110 0.75

-

110 0.75

-

3800 13

-

3800 18

Select T4 DPLL

-

-

110 1.0

3800 13

3800 18

Select T4 DPLL

120 1.0

Select T4 DPLL

60 0.6

Select T4 DPLL

120 1.0

-

900 4.5

Select T4 DPLL

500 2.3

Select T0 DPLL 12E1 250 1.5

-

760 2.6

Select T4 DPLL

200 1.2

Select T0 DPLL

16DS1

150 1.0

Revision 1.00/September 2007 © Semtech Corp.

Page 31

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