CY28325-3
Table 1. Frequency Selection Table
(continued)
Input Conditions
FS4
SEL4
1
1
1
1
1
1
1
1
1
1
FS3
SEL3
0
0
1
1
1
1
1
1
1
1
FS2
SEL2
1
1
0
0
0
0
1
1
1
1
FS1
SEL1
1
1
0
0
1
1
0
0
1
1
FS0
SEL0
0
1
0
1
0
1
0
1
0
1
CPU
185.0
190.0
100.9
133.9
200.5
166.8
100.0
133.3
200.0
166.7
AGP
74.0
76.0
67.3
67.0
66.8
66.7
66.6
66.6
66.6
66.7
PCI
37.0
38.0
33.6
33.5
33.4
33.3
33.3
33.3
33.3
33.3
APIC
18.5
19.0
16.8
16.7
16.7
16.7
16.7
16.7
16.7
16.7
Output Frequency
PLL Gear
Constants
(G)
48.00741
48.00741
48.00741
48.00741
48.00741
48.00741
48.00741
48.00741
48.00741
48.00741
Swing Select Functions
MultSEL1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
MultSEL0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Board Target
Trace/Term Z
50
60
50
60
50
60
50
60
50
60
50
60
50
60
50 Ohm
60 Ohm
Reference R, IREF =
VDD/(3*Rr)
Output
Current
I
OH
= 4*Iref
I
OH
= 4*Iref
I
OH
= 5*Iref
I
OH
= 5*Iref
I
OH
= 6*Iref
I
OH
= 6*Iref
I
OH
= 7*Iref
I
OH
= 7*Iref
I
OH
= 4*Iref
I
OH
= 4*Iref
I
OH
= 5*Iref
I
OH
= 5*Iref
I
OH
= 6*Iref
I
OH
= 6*Iref
I
OH
= 7*Iref
I
OH
= 7*Iref
V
OH
@ Z
1.0V @ 50
1.2V @ 60
1.25V @ 50
1.5V @ 60
1.5V @ 50
1.8V @ 60
1.75V @ 50
2.1V @ 60
0.47V @ 50
0.56V @ 60
0.58V @ 50
0.7V @ 60
0.7V @ 50
0.84V @ 60
0.81V @ 50
0.97V @ 60
Rr = 221 1%,
IREF = 5.00 mA
Rr = 221 1%,
IREF = 5.00
Rr = 221 1%,
IREF = 5.00 mA
Rr = 221 1%,
IREF = 5.00 mA
Rr = 221 1%,
IREF = 5.00 mA
Rr = 221 1%,
IREF = 5.00 mA
Rr = 221 1%,
IREF = 5.00 mA
Rr = 221 1%,
IREF = 5.00 mA
Rr = 475 1%,
IREF = 2.32 mA
Rr = 475 1%,
IREF = 2.32 mA
Rr = 475 1%,
IREF = 2.32 mA
Rr = 475 1%,
IREF = 2.32 mA
Rr = 475 1%,
IREF = 2.32 mA
Rr = 475 1%,
IREF = 2.32 mA
Rr = 475 1%,
IREF = 2.32mA
Rr = 475 1%,
IREF = 2.32mA
Rev 1.0, November 21, 2006
Page 4 of 18
SPECTRALINEAR [ SPECTRALINEAR INC ]
