ICS9248-126
ICS9248-126 is Frequency Generator & Integrated Buffers manufactured by Integrated Circuit Systems.
Integrated Circuit Systems, Inc.
Frequency Generator & Integrated Buffers for Celeron & PII/III™ & K6
Remended Application: Motherboard Single chip clock solution for Pentium II/III and K6 processors, using SIS540/SIS630 style chipset. Output Features
:
- 3- CPUs @ 2.5/3.3V, up to 166MHz.
- 14
- SDRAM @ 3.3V
- 7- PCI @3.3V,
- 1- 48MHz, @3.3V fixed.
- 1- 24/48MHz, @3.3V selectable by I2C (Default is 24MHz).
- 2- REF @3.3V, 14.318MHz. Features
:
- Up to 166MHz frequency support
- Support FS0-FS3 trapping status bit for I2C read back.
- Support power management: CPU, PCI, SDRAM stop and Power down Mode form I2C programming.
- Spread spectrum for EMI control (0 to -0.5%, ± 0.25%).
- FS0, FS1, FS3 must have a internal 120K pull-Down to GND.
- Uses external 14.318MHz crystal Skew Specifications:
- CPU
- CPU: < 175ps
- SDRAM
- SDRAM < 500ps
- PCI
- PCI: < 500ps
- CPU
- SDRAM: < 500ps
- CPU
- PCI: 1
- 4ns
Pin...
