ICS9250-23 查看數據表（PDF） - Integrated Circuit Systems
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ICS9250-23 Datasheet PDF : 15 Pages
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ICS9250-23
Frequency Selection
FS4 FS3 FS2
000
000
000
000
0
0
1
0
0
1
0
0
1
0
0
1
0 10
0 10
0 10
0 10
011
011
011
011
10 0
10 0
10 0
10 0
10
1
10
1
10
1
10
1
110
110
110
110
111
111
111
111
FS1 FS0
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
01
10
11
00
0
1
10
11
CPU
MHz
69.00
70.00
71.00
66.90
72.00
75.00
76.60
85.00
68.00
74.00
140.00
133.33
150.00
155.00
166.00
166.00
111.77
104.78
109.51
100.90
117.00
123.75
133.33
142.50
136.00
140.00
143.00
133.90
146.67
149.33
153.30
166.67
SDRAM
MHz
103.50
105.00
106.50
100.35
108.00
112.50
114.90
127.50
102.00
111.00
140.00
133.33
150.00
155.00
166.00
166.00
111.77
104.78
109.51
100.90
117.00
123.75
133.33
142.50
102.25
105.00
107.50
100.68
110.00
112.00
115.29
125.32
3V66 MHz
69.00
70.00
71.00
66.90
72.00
75.00
76.60
85.00
68.00
74.00
70.00
66.67
75.00
77.50
83.00
111.00
74.52
69.86
73.01
67.27
78.50
82.50
88.89
95.00
68.50
70.00
72.00
67.45
73.33
74.67
77.24
83.34
PCI
MHz
34.50
35.00
35.50
33.45
36.00
37.50
38.40
42.50
34.00
37.00
35.00
33.33
37.50
38.75
41.50
55.80
37.26
34.93
36.50
33.63
39.25
41.25
44.44
47.50
34.25
35.00
36.00
33.73
36.67
37.33
38.62
41.67
IOAPIC MHz
17.25
17.50
17.75
16.73
18.00
18.75
19.20
21.25
17.00
18.50
17.50
16.67
18.75
19.38
22.75
27.90
18.63
17.46
18.25
16.82
19.63
20.62
22.22
23.75
17.13
17.50
18.00
16.86
18.33
18.67
19.30
20.83
Clock Enable Configuration
PD#
CPUCLK SDRAM IOAPIC
66MHz
PCICLK
REF,
48MHz
Osc
0
LOW
LOW
LOW
LOW
LOW
LOW
OFF
1
ON
ON
ON
ON
ON
ON
ON
VCOs
OFF
ON
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3
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