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The ICS9250-29 is a single chip clock solution for Solano type chipset. It provides all necessary clock signals for such a system. Spread spectrum may be enabled through I2C programming. Spread spectrum typically reduces EMI by 8dB to 10 dB. This simplifies EMI qualification without resorting to board design iterations or costly shielding. The ICS9250-29 emp.
• 2 CPU (2.5V) (up to 133MHz achievable through I2C)
• 13 SDRAM (3.3V) (up to 133MHz achievable through I2C)
• 5 PCI (3.3 V) @33.3MHz
• 1 IOAPIC (2.5V) @ 33.3 MHz
• 3 Hublink clocks (3.3 V) @ 66.6 MHz
• 2 (3.3V) @ 48 MHz (Non spread spectrum)
• 1 REF (3.3V) @ 14.318 MHz Features:
• Supports spread spectrum modulation, 0 to -0.5% down spread.
• I2C support for power management
• Efficient power management scheme through PD#
• Uses external 14.138 MHz crystal
• Alternate frequency selections available through I2C control.
IOAPIC VDDL GNDL
*FS1/REF VDDR X1 X2 GNDR VDD3 3V66-0 3V66-1 3V66-2 GND3 .
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | ICS9250-22 |
Integrated Circuit Systems |
Frequency Generator & Integrated Buffers |
|
| 2 | ICS9250-23 |
Integrated Circuit Systems |
Frequency Generator & Integrated Buffers |
|
| 3 | ICS9250-25 |
Integrated Circuit Systems |
Frequency Generator & Integrated Buffers |
|
| 4 | ICS9250-26 |
Integrated Circuit Systems |
Frequency Generator & Integrated Buffers |
|
| 5 | ICS9250-27 |
Integrated Circuit Systems |
Frequency Generator & Integrated Buffers |
|
| 6 | ICS9250-28 |
Integrated Circuit Systems |
Frequency Generator & Integrated Buffers |
|
| 7 | ICS9250-28 |
Renesas |
Frequency Generator & Integrated Buffer |
|
| 8 | ICS9250-08 |
Integrated Circuit Systems |
Frequency Generator & Integrated Buffers |
|
| 9 | ICS9250-09 |
Integrated Circuit Systems |
Frequency Timing Generator |
|
| 10 | ICS9250-10 |
Integrated Circuit Systems |
Frequency Timing Generator |
|
| 11 | ICS9250-11 |
Integrated Circuit Systems |
Frequency Generator & Integrated Buffers |
|
| 12 | ICS9250-12 |
Integrated Circuit Systems |
Frequency Generator & Integrated Buffers |
|