W199
Features
- Maximized EMI suppression using Cypress’s Spread Spectrum Technology
- Single-chip system frequency synthesizer for VIA Apollo Pro-133
- Two copies of CPU output
- Six copies of PCI output
- One 48-MHz output for USB
- One 24-MHz output for SIO
- Two buffered reference outputs
- One IOAPIC output
- 13 SDRAM outputs provide support for 3 DIMMs
- Supports frequencies up to 150 MHz
- I2C™ interface for programming
- Power management control inputs
- Available in 48-pin SSOP Table 1. Mode Input Table Mode 0 1 Table 2. Pin Selectable Frequency Input Address FS3 1 1 1 1 1 1 1 1 0 CPU Cycle-to-Cycle Jitter: 250 ps CPU to CPU Output Skew: 175 ps PCI to PCI Output Skew: 500 ps VDDQ3: 3.3V±5% VDDQ2: 2.5V±5% SDRAMIN to...