
ICS843001AGI-22 REVISION B JUNE 25, 2009
3
2009 Integrated Device Technology, Inc.
ICS843001I-22 Data Sheet
FEMTOCLOCK CRYSTAL/LVCMOS-TO-3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
Function Tables
Table 3A. Common Configuration Table
Table 3B. Programmable M Output Divider Function Table
Input
M Divider
Value
N Divider
Value
VCO (MHz)
Output Frequency
(MHz)
Application
Reference Clock (MHz)
27
22
8
594
74.25
HDTV
22.4
25
8
560
70
24.75
24
8
594
74.25
HDTV
25
24
3
600
200
Processor
14.8351649
40
8
593.4066
74.1758245
HDTV
19.44
32
4
622.08
155.52
SONET
19.44
32
8
622.08
77.76
SONET
19.44
32
1
622.08
SONET
19.44
32
2
622.08
311.04
SONET
19.53125
32
4
625
156.25
10 GigE
20
25
2
500
250
Ethernet
25
5
625
125
1 GigE
25
10
625
62.5
1 GigE
25
24
6
600
100
PCI Express
25
24
4
600
150
SATA
25
24
8
600
75
SATA
26.5625
24
6
637.5
106.25
Fibre Channel 1
26.5625
24
3
637.5
212.5
4 Gig Fibre Channel
26.5625
24
4
637.5
159.375
10 Gig Fibre Channel
31.25
18
3
562.5
187.5
12 GigE
Inputs
M Divider
Value
Input Frequency (MHz)
M2
M1
M0
Minimum
Maximum
0
18
27.22
35.56
0
1
22
22.27
29.09
0
1
0
24
20.41
26.67
0
1
25
19.6
25.6
1
0
32
15.31
20
1
0
1
40
12.25
16