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

16.384

16.384

16.384 via Digital1, or Digital2 (not O1)

16.384 via Digital1, or Digital2 (not O1)

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

25.92

32.768

32.768

32.768

34.368

37.056

37.056

-

-

77.76 MHz Analog

Any digital feedback

mode

16DS1 mode

-

24DS1 mode

-

-

16E1 mode

-

-

-

-

E3 mode

-

24DS1 mode

-

77.76 MHz analog

77.76 MHz digital

-

16E1 mode

-

12E1 mode

-

-

24DS1 mode

16DS1 mode

-

-

-

-

77.76MHz mode

-

DS3 mode

-

12E1 mode

-

-

-

16DS1 mode

-

77.76 MHz analog

77.76 MHz digital

16E1 mode

-

-

-

24DS1 mode

-

-

-

-

16E1 mode

-

E3 mode

-

24DS1 mode

DATASHEET

T4 APLL Input Mux Jitter Level (typ)

rms pk-pk

(ps) (ns)

Select T4 DPLL

400 2.0

Select T0 DPLL 16E1 220 1.2

-

3800 13

-

3800 18

-

760 2.6

Select T4 DPLL

120 1.0

-

110 0.75

Select T4 DPLL

110 0.75

Select T0 DPLL

24DS1

110 0.75

-

60 0.6

-

60 0.6

Select T4 DPLL

60 0.6

-

250 1.6

Select T4 DPLL

110 1.0

-

900 4.5

Select T4 DPLL

500 2.3

Select T0 DPLL 12E1 250 1.5

-

110 0.75

-

760 2.6

Select T4 DPLL

200 1.2

Select T0 DPLL

16DS1

150 1.0

-

60 0.6

-

60 0.6

-

250 1.6

Select T4 DPLL

400 2.0

Select T0 DPLL 16E1 220 1.2

Select T4 DPLL

120 1.0

-

110 0.75

Select T4 DPLL

110 0.75

Revision 1.00/September 2007 © Semtech Corp.

Page 33

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