GENERAL DESCRIPTION
The W83194AR-73 is a Clock Synthesizer for Intel Whitney chipset. W83194AR-73 provides all clocks required for high-speed RISC or CISC microprocessor and also provides 32 different frequencies of CPU, SDRAM, PCI, 3V66, IOAPIC clocks frequency setting. All clocks are externally selectable with smooth transitions.

PRODUCT FEATURES
●  2 CPU clocks
●  9 SDRAM clocks for 2 DIMMs
●  8 PCI synchronous clocks.
●  Optional single or mixed supply:
   (VDDR = VDDP=VDDS = VDD48 = VDD3 = 3.3V, VDDA=VDDC=2.5V)
●  Skew form CPU to PCI clock -1 to 4 ns, center 2.6 ns
●  Smooth frequency switch with selections from 66.8 to 150MHz
●  I2C 2-Wire serial interface and I2C read back
●  0.25% center and 0-0.5% down type spread spectrum
●  Programmable registers to enable/stop each output and select modes
   (mode as Tri-state or Normal )
●  48 MHz for USB
●  24 MHz for super I/O
●  Packaged in 48-pin SSOP