ics9248-146 Integrated Device Technology, ics9248-146 Datasheet - Page 4

• Manufacturer Part Number: ics9248-146
• Description: Single Chip Clock Solution For Sis630s Chipsets.
• Manufacturer: Integrated Device Technology

Byte 3: SDRAM, Active/Inactive Register
(1= enable, 0 = disable)
Byte 5: AGP, Active/Inactive Register
(1= enable, 0 = disable)
Notes:
1. Inactive means outputs are held LOW and are
disabled
2. Latched Frequency Selects (FS#) will be inverted
0350B—02/02/04
logic
Byte 1: CPU, Active/Inactive Register
(1= enable, 0 = disable)
ICS9248-146
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
load of the input frequency select pin conditions.
from switching.
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
T I
T I
T I
6
4
2
0
6
4
2
0
7
5
3
1
7
5
3
1
7
6
5
4
3
2
0
1
I P
I P
I P
7 1
6 1
7 4
6 4
5 4
4 3
6 3
7 3
0 4
2 4
2
3
3 3
8 3
1 4
N
-
-
-
-
N
-
-
-
-
-
N
#
#
#
P
W
X
X
X
X
P
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1
1
1
1
W
W
D
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D
D
F
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A
A
S
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4 2
C
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8 4
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b d
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6
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P I
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O
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N
N
N
4
Byte 4: SDRAM , Active/Inactive Register
(1= enable, 0 = disable)
Byte 2: PCI, Active/Inactive Register
(1= enable, 0 = disable)
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
B
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
t i
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t i
t i
T I
7
6
5
4
2
0
3
1
7
6
5
4
3
2
0
1
I P
I P
1 2
0 2
6 2
7 2
8 2
0 3
1 3
N
-
2 1
0 1
3 1
1 1
9
8
N
-
-
#
#
P
P
W
W
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D
D
R
2
8 4
S
S
S
S
S
R
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P
P
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P
P
P
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D
D
D
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v r
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M
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L
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M
M
M
M
M
L
L
D
d e
D
d e
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K
K
K
K
K
K
H
2 1
1 1
0 1
9
8
E
E
4
3
2
1
0
_
z
S
S
F
C
C
R
R
P I
P I
I T
I T
O
O
N
N