ICS9248-112
ICS9248-112 is Frequency Generator & Integrated Buffers manufactured by Integrated Circuit Systems.
Integrated Circuit Systems, Inc.
Preliminary Product Preview
Frequency Generator & Integrated Buffers for Celeron & PII/III™
Remended Application: 810/810E type chipset. Output Features
:
- 2- CPUs @2.5V, up to 150MHz.
- 9
- SDRAM @ 3.3V, up to150MHz including 1 free running
- 8
- PCICLK @ 3.3V
- 1
- IOAPIC @ 2.5V, PCI or PCI/2 MHz
- 2
- 3V66MHz @ 3.3V, 2X PCI MHz
- 1- 48MHz, @3.3V fixed.
- 1- 24MHz, @3.3V fixed
- 1- REF @3.3V, 14.318MHz. Features
:
- Up to 166MHz frequency support
- Support FS0-FS3 strapping status bit for I2C read back.
- Support power management: Through Power down Mode from I2C programming.
- Spread spectrum for EMI control ( ± 0.25% center).
- Spread can be enabled or disabled to all 32 frequencies throuth I2C.
- Uses external 14.318MHz crystal Skew Specifications:
- CPU
- CPU: <175ps
- SDRAM
- SDRAM: < 250ps
- 3V66
- 3V66:...
