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Integrated Circuit Systems, Inc.
ICS9250-26
Frequency Generator & Integrated Buffers for Celeron & PII/III™
Recommended Application: 810/810E type chipset. Provides three CPU speeds (66.6, 100, 133MHz) with SDRAM = 133.3MHz. Output Features: • 3 CPU (2.5V) 66.6/133.3MHz (up to 150MHz achievable through I2C) • 9 SDRAM (3.3V) @ 133.3MHz (up to 150MHz achievable through I2C) • 8 PCI (3.3 V) @33.3MHz • 2 IOAPIC (2.5V) @ 33.3 MHz • 2 Hublink clocks (3.3 V) @ 66.6 MHz • 2 USB (3.3V) @ 48 MHz ( Non spread spectrum) • 1 REF (3.3V) @ 14.318 MHz Features: • Supports spread spectrum modulation , down spread 0 to -0.5% and ± 0.25% center spread. • I2C support for power management • Efficient power management scheme through PD# • Uses external 14.
ICS9250-26 Datasheet
