3

ICS950104

Advance Information

Third party brands and names are the property of their respective owners.

General Description

The ICS950104 is a main clock synthesizer chip for PIII based systems with ALI 1651 style chipset. This provides all clocks

required for such a system.

The ICS950104 belongs to ICS new generation of programmable system clock generators. It employs serial programming I

interface as a vehicle for changing output functions, changing output frequency, configuring output strength, configuring

output to output skew, changing spread spectrum amount, changing group divider ratio and dis/enabling individual clocks.

This device also has ICS propriety 'Watchdog Timer' technology which will reset the frequency to a safe setting if the system

become unstable from over clocking.

0

L

E

S

I

T

L

U

M

t

e

g

r

a

T

d

r

a

o

B

Z

m

r

e

T

/

e

c

a

r

T

,

R

e

c

n

e

r

e

f

e

R

=

f

e

r

I

V

D

D

)

r

R

*

3

(

/

t

u

p

t

u

O

t

n

e

r

r

u

C

Z

@

h

o

V

0s

m

h

o

0

5

,

%

1

1

2

2

=

r

R

A

m

0

0

.

5

=

f

e

r

I

F

E

R

I

*

4

=

h

o

I0

5

@

V

0

.

1

1s

m

h

o

0

5

,

%

1

5

7

4

=

r

R

A

m

2

3

.

2

=

f

e

r

I

F

E

R

I

*

6

=

h

o

I0

5

@

V

7

.

0