ics951403 Integrated Device Technology, ics951403 Datasheet - Page 2

• Manufacturer Part Number: ics951403
• Description: Amd-k7 System Clock Chip
• Manufacturer: Integrated Device Technology

General Description
The ICS951403 is a main clock synthesizer chip for AMD-K7 based systems with ATI chipset. This provides all clocks
required for such a system.
The ICS951403 belongs to ICS new generation of programmable system clock generators.
programming I
strength, configuring output to output skew, changing spread spectrum amount, changing group divider ratio and dis/
enabling individual clocks.
frequency to a safe setting if the system become unstable from over clocking.
Pin Descriptions
0486B—02/23/04
ICS951403
1
, 7
P
1
3
, 3
, 6
N I
, 3
4
4
, 2
, 3
, 6
1
3
2
N
, 9
, 4
, 8
, 0
2
1
2
2
2
2
2
2
2
3
3
3
4
4
3
4
4
4
U
3
2
3
4
5
7
8
1 ,
1
8
2
3
4
6
7
8
9
0
2
5
6
4
, 9
, 0
5
8
1
, 1
4
M
1
4
1
5
, 3
, 1
9
B
3
3
2
6
7
E
2
, 5
1
4
C interface as a vehicle for changing output functions, changing output frequency, configuring output
, 1
R
7
1
, 0
C
C
S
P
C
P
P
P
R
S
D
P
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2
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4
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V
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G
V
4
U
S
E
D
C
C
D
S
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E
S
D
4 -
This device also has ICS propriety 'Watchdog Timer' technology which will reset the
S
L
G
V
D
8
R
A
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P
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8
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A
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4
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: 1
1
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: 1
4
#
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T
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(
O
8
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: 6
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P
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#
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#
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