ICS650-44 Datasheet, PDF (2/11 Pages) Integrated Circuit Systems – Spread Spectrum Clock Synthesizer

ICS650-44
SPREAD SPECTRUM CLOCK SYNTHESIZER
Pin Assignment
X1/ CLKIN 1
FS0
2
FS1
3
50M
4
VDD 5
GND 6
FS3
7
50M
8
16 ^X2
15 ^VDD
14 ^PDTS
13 ^FS2
12 ^VDD
11 ^GND
10 ^VDDO
9 ^50M
16-pin ( 173 mil) TSSOP
CLOCK SYNTHESIZER
Spread Spectrum and Output
Configuration Table
FS3 FS2 FS1 FS0
000 0
000 1
001 0
001 1
010 0
010 1
011 0
011 1
100 0
100 1
101 0
101 1
110 0
110 1
111 0
111 1
Spread Type
Center
Center
Center
Center
Center
Center
Center
Center
Down
Down
Down
Down
Down
Down
Down
Off
SS Out
±0.25
±0.50
±0.75
±1.00
±1.25
±1.50
±1.75
±2.00
-0.5
-0.75
-1.0
-1.25
-1.5
-1.75
-2.0
Off
IDT™ / ICS™ SPREAD SPECTRUM CLOCK SYNTHESIZER
2
ICS650-44 REV E 051310