參數(shù)資料
型號: ICS9248YF-96LF-T
元件分類: 時鐘產(chǎn)生/分配
英文描述: 150 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48
封裝: 0.300 INCH, LEAD FREE, MO-118, SSOP-48
文件頁數(shù): 1/12頁
文件大小: 195K
代理商: ICS9248YF-96LF-T
Integrated
Circuit
Systems, Inc.
ICS9248-96
0311D—04/23/04
Block Diagram
Recommended Application:
810/810E type chipset.
Output Features:
2- CPUs @ 2.5V, up to 166.5MHz.
9 - SDRAM @ 3.3V, up to 155MHz including
1 free running
8 - PCICLK @ 3.3V
1 - IOAPIC @ 2.5V,
2 - 3V66MHz @ 3.3V, 2X PCI MHz
2 - 48MHz, @ 3.3V fixed.
1 - 24/48MHz, @3.3V selectable by I
2C
1 - REF @v3.3V, 14.318MHz.
Features:
Up to 166.5MHz frequency support
Support FS0-FS3 strapping status bit for I
2C read
back.
Support power management: Through Power down
Mode from I
2C programming.
Spread spectrum for EMI control ( ± 0.25% center).
Uses external 14.318MHz crystal
Skew Specifications:
CPU – CPU: <175ps
SDRAM - SDRAM: < 250ps
3V66 – 3V66: <175ps
PCI – PCI: <500ps
CPU-SDRAM<500ps
For group skew specifications, please refer to group
timing relationship table.
Functionality
Pin Configuration
48-Pin 300mil SSOP
* These inputs have a 120K pull up to VDD.
** 60K pull-up to VDD on indicated input
1 These are double strength.
Frequency Generator & Integrated Buffers for Celeron & PII/III
Additional
frequencies
selectable
through
I
2C
programming.
3
S
F2
S
F1
S
F0
S
F
U
P
C
)
z
H
M
(
M
A
R
D
S
)
z
H
M
(
6
V
3
)
z
H
M
(
K
L
C
I
C
P
)
z
H
M
(
C
I
P
A
O
I
2
/
K
L
C
I
C
P
=
1
)
z
H
M
(
C
I
P
A
O
I
K
L
C
I
C
P
=
0
)
z
H
M
(
00
0
8
.
6
60
2
.
0
10
8
.
6
60
4
.
3
30
7
.
6
10
4
.
3
00
0
1
0
.
8
60
0
.
2
0
10
0
.
8
60
0
.
4
30
0
.
7
10
0
.
4
3
00
1
0
3
.
0
10
3
.
0
17
8
.
6
63
4
.
3
32
7
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6
13
4
.
3
00
1
0
.
3
0
10
0
.
3
0
17
6
.
8
63
3
.
4
37
1
.
7
13
3
.
4
3
01
0
3
7
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3
10
3
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0
17
8
.
6
63
4
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3
32
7
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6
13
4
.
3
01
0
1
0
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5
4
15
7
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8
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10
5
.
2
75
2
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2
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6
3
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3
7
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3
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3
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0
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8
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6
63
4
.
3
32
7
.
6
13
4
.
3
01
1
3
.
7
3
10
0
.
3
0
17
6
.
8
63
3
.
4
37
1
.
7
13
3
.
4
3
10
0
.
0
4
10
0
.
5
0
10
0
.
0
70
0
.
5
30
5
.
7
10
0
.
5
3
10
0
1
0
.
0
4
10
0
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0
4
13
3
.
3
97
6
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6
43
3
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3
27
6
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8
1
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8
1
17
6
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8
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3
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9
37
6
.
9
13
3
.
9
3
10
1
0
.
4
2
10
0
.
4
2
17
6
.
2
83
3
.
1
47
6
.
0
23
3
.
1
4
11
0
7
.
3
10
7
.
3
13
1
.
9
87
5
.
4
48
2
.
2
27
5
.
4
11
0
1
0
.
7
3
10
0
.
7
3
13
3
.
1
97
6
.
5
43
8
.
2
27
6
.
5
4
11
1
0
.
0
5
10
5
.
2
1
10
0
.
5
70
5
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7
35
7
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8
10
5
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7
3
11
1
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5
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2
75
7
.
8
0
10
5
.
2
75
2
.
6
33
1
.
8
15
2
.
6
3
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