com Integrated Circuit Systems, Inc.
ICS951411 System Clock Chip for ATI RS400 P4TM-based Systems Recommended Application: ATI RS400 systems using Intel P4TM processors Output Features: • 6 - Pairs of SRC/PCI-Express clocks • 2 - Pairs of ATIG (SRC/PCI Express*) clocks • 3 - Pairs of Intel P4 clocks • 3 - 14.
318 MHz REF clocks • 1 - 48MHz USB clock • 1 - 33 MHz PCI clock seed Key Specifications: • CPU outputs cycle-cycle jitter 85ps • SRC output cycle-cycle jitter 125ps • PCI outputs cycle-cycle jitter 250ps • +/- 300ppm frequency accuracy on CPU & SRC clocks Features/Benefits: • 2- Programmable Clock Request pins for SRC clocks • Supports CK410 or CK409 frequency tab...

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