W83194R-630A
Description
The W83194R-630A is a Clock Synthesizer for SiS 540/630 chipset.
Key Features
- Supports Pentium™, Pentium™ II, AMD and Cyrix CPUs with I2C
- 3 CPU clocks
- 14 SDRAM clocks for 3 DIMMs
- 7 PCI synchronous clocks
- Optional single or mixed supply: (All Vdd = 3.3V) or (Other s Vdd = 3.3V, VddLCPU=2.5V)
- Skew form CPU to PCI clock 1 to 4 ns, center 2.6 ns
- SDRAM frequency synchronous or asynchronous to CPU clocks
- Smooth frequency switch with selections from 66 to 166mhz
- I2C 2-Wire serial interface and I2C read back
- 0.5%, 0.75%center type, 0~0.5% down type spread spectrum to reduce EMI
