ICS950508
Features
:
- 2
- CPUs @ 2.5V
- 13
- SDRAM @ 3.3V
- 3
- 3V66 @ 3.3V
- 8
- PCI @3.3V
- 1
- 24/48MHz@ 3.3V
- 1
- 48MHz @ 3.3V fixed
- 1
- REF @3.3V, 14.318MHz Features
/Benefits:
- Programmable output frequency.
- Programmable output divider ratios.
- Programmable output rise/fall time.
- Programmable output skew.
- Programmable spread percentage for EMI control.
- Watchdog timer technology to reset system if system malfunctions.
- Programmable watch dog safe frequency.
- Support I2C Index read/write and block read/write operations.
- Uses external 14.318MHz crystal. Key Specifications:
- CPU Output Jitter: <250ps
- IOAPIC Output Jitter: <500ps
- 48MHz, 3V66, PCI Output Jitter: <500ps
- Ref Output Jitter. <1000ps
- CPU Output Skew: <175ps
- PCI Output Skew: <500ps
- 3V66 Output Skew <175ps
- For group skew timing, please refer to the Group Timing Relationship Table.
VDDREF X1 X2 GND GND 3V66_0 3V66_1 3V66_2 VDD3V66 VDDPCI 1
- FS0/PCICLK0 1
- FS1/PCICLK1 1
- SEL24_48#/PCICLK2 GND PCICLK3...