W48S87-04
Overview
- Outputs - 4 CPU Clock (2.5V or 3.3V, 50 to 83.3MHz) - 7 PCI (3.3V) - 1 48MHz for USB (3.3V) - 1 24MHz for Super I/O (3.3V) - 2 REF (3.3V) - 1 IOAPIC (2.5V or 3.3V) - 12 SDRAM
- Serial data interface provides additional frequency selection, individual clock output disable, and other functions
- Smooth transition supports dynamic frequency assignment
- Frequency selection not affected during power down/up cycle
- Supports a variety of power saving options
- 3.3V operation
- Available in 48-pin SSOP (300 mils) Key Specifications ±0.5% Spread Spectrum Modulation: ±0.5% Jitter (cycle-to-cycle): 250ps Duty Cycle: 45-55% 1-4ns CPU-PCI skew 250ps PCI-PCI or CPU-CPU skew
