ics9248-189 ETC-unknow, ics9248-189 Datasheet - Page 2

• Manufacturer Part Number: ics9248-189
• Description: Clock Generator Mobile System
• Manufacturer: ETC-unknow

Advance Information
General Description
The ICS9248-189 is a main clock synthesizer chip for AMD-K7 based note book systems with VIA style chipset. This provides
all clocks required for such a system.
Spread spectrum may be enabled through I
This simplifies EMI qualification without resorting to board design iterations or costly shielding. The ICS9248-189 employs a
proprietary closed loop design, which tightly controls the percentage of spreading over process and temperature variations.
Serial programming I
Pin Descriptions
Notes:
1:
2:
Third party brands and names are the property of their respective owners.
ICS9248-189
, 7
2
1
1
, 8
P
, 3
, 5
to program logic Hi to VDD or GND for logic low.
Internal Pull-up Resistor of 120K to 3.3V on indicated inputs
Bidirectional input/output pins, input logic levels are latched at internal power-on-reset. Use 10Kohm resistor
I
2
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N
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C programming. Spread spectrum typically reduces system EMI by 8dB to 10dB.
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