Datasheet Summary
Integrated Circuit Systems, Inc.
Frequency Timing Generator for PENTIUM II Systems
Remended Application: Camino chipset Output Features
: 3
- CPUs @ 2.5V, up to 180MHz. 3
- IOAPIC @ 2.5V, PCI/2 3
- 3V66MHz @ 3.3V. 11
- PCIs @ 3.3V 1
- 48MHz, @ 3.3V fixed 1
- 24/48MHz, @ 3.3V 1
- CPU/2, @ 2.5V. Features
: Up to 180MHz frequency support Support power management: Power down Mode from I2C programming. Spread spectrum for EMI control ± 0.25% center spread). Uses external 14.318MHz crystal FS pins for frequency select
Pin Configuration
GNDREF REF0
- SEL24_48#/REF1 VDDREF X1 X2 GNDPCI
- FS0/PCICLK_F
- FS1/PCICLK0 VDDPCI
- FS2/PCICLK1
- FS3/PCICLK2 GNDPCI PCICLK3...